merge

78 files changed, 873 insertions, 871 deletions

diff --git a/indra/llui/llaccordionctrltab.h b/indra/llui/llaccordionctrltab.h
index 00fb276f19..f87534fa76 100644
--- a/indra/llui/llaccordionctrltab.h
+++ b/indra/llui/llaccordionctrltab.h
@@ -91,10 +91,10 @@ public:
 
 		Optional<bool>			selection_enabled;
 
-		Optional<S32>			padding_left;
-		Optional<S32>			padding_right;
-		Optional<S32>			padding_top;
-		Optional<S32>			padding_bottom;
+		Optional<S32>			padding_left,
+								padding_right,
+								padding_top,
+								padding_bottom;
 
 		Params();
 	};
@@ -176,7 +176,7 @@ public:
 	virtual BOOL handleScrollWheel( S32 x, S32 y, S32 clicks );
 
 
-	virtual bool addChild(LLView* child, S32 tab_group);
+	virtual bool addChild(LLView* child, S32 tab_group = 0 );
 
 	bool isExpanded() const { return mDisplayChildren; }
 
diff --git a/indra/llui/llfloater.cpp b/indra/llui/llfloater.cpp
index 0cd692b4a4..e7d0950846 100644
--- a/indra/llui/llfloater.cpp
+++ b/indra/llui/llfloater.cpp
@@ -2780,7 +2780,8 @@ LLFastTimer::DeclareTimer POST_BUILD("Floater Post Build");
 bool LLFloater::initFloaterXML(LLXMLNodePtr node, LLView *parent, const std::string& filename, LLXMLNodePtr output_node)
 {
 	Params params(LLUICtrlFactory::getDefaultParams<LLFloater>());
-	LLXUIParser::instance().readXUI(node, params, filename); // *TODO: Error checking
+	LLXUIParser parser;
+	parser.readXUI(node, params, filename); // *TODO: Error checking
 
 	if (output_node)
 	{
@@ -2788,8 +2789,7 @@ bool LLFloater::initFloaterXML(LLXMLNodePtr node, LLView *parent, const std::str
 		setupParamsForExport(output_params, parent);
         Params default_params(LLUICtrlFactory::getDefaultParams<LLFloater>());
 		output_node->setName(node->getName()->mString);
-		LLXUIParser::instance().writeXUI(
-			output_node, output_params, &default_params);
+		parser.writeXUI(output_node, output_params, &default_params);
 	}
 
 	// Default floater position to top-left corner of screen
diff --git a/indra/llui/lllayoutstack.cpp b/indra/llui/lllayoutstack.cpp
index 4512091371..15a0369eb9 100644
--- a/indra/llui/lllayoutstack.cpp
+++ b/indra/llui/lllayoutstack.cpp
@@ -41,92 +41,63 @@
 #include "llresizebar.h"
 #include "llcriticaldamp.h"
 
-static LLDefaultChildRegistry::Register<LLLayoutStack> register_layout_stack("layout_stack", &LLLayoutStack::fromXML);
-
+static LLDefaultChildRegistry::Register<LLLayoutStack> register_layout_stack("layout_stack");
+static LLLayoutStack::LayoutStackRegistry::Register<LLLayoutPanel> register_layout_panel("layout_panel");
 
 //
-// LLLayoutStack
+// LLLayoutPanel
 //
-struct LLLayoutStack::LayoutPanel
+LLLayoutPanel::LLLayoutPanel(const Params& p)	
+:	LLPanel(p),
+ 	mMinDim(p.min_dim), 
+ 	mMaxDim(p.max_dim), 
+ 	mAutoResize(p.auto_resize),
+ 	mUserResize(p.user_resize),
+ 	mCollapsed(FALSE),
+ 	mCollapseAmt(0.f),
+ 	mVisibleAmt(1.f), // default to fully visible
+ 	mResizeBar(NULL) 
 {
-	LayoutPanel(LLPanel* panelp, ELayoutOrientation orientation, S32 min_width, S32 min_height, S32 max_width, S32 max_height, BOOL auto_resize, BOOL user_resize)	:	mPanel(panelp), 
-		mMinWidth(min_width), 
-		mMinHeight(min_height),
-		mMaxWidth(max_width), 
-		mMaxHeight(max_height),
-		mAutoResize(auto_resize),
-		mUserResize(user_resize),
-		mOrientation(orientation),
-		mCollapsed(FALSE),
-		mCollapseAmt(0.f),
-		mVisibleAmt(1.f), // default to fully visible
-		mResizeBar(NULL) 
+	// panels initialized as hidden should not start out partially visible
+	if (!getVisible())
 	{
-		LLResizeBar::Side side = (orientation == HORIZONTAL) ? LLResizeBar::RIGHT : LLResizeBar::BOTTOM;
-		LLRect resize_bar_rect = panelp->getRect();
-
-		S32 min_dim;
-		if (orientation == HORIZONTAL)
-		{
-			min_dim = mMinHeight;
-		}
-		else
-		{
-			min_dim = mMinWidth;
-		}
-		LLResizeBar::Params p;
-		p.name("resize");
-			p.resizing_view(mPanel);
-		p.min_size(min_dim);
-		p.side(side);
-		p.snapping_enabled(false);
-		mResizeBar = LLUICtrlFactory::create<LLResizeBar>(p);
-		// panels initialized as hidden should not start out partially visible
-		if (!mPanel->getVisible())
-		{
-			mVisibleAmt = 0.f;
-		}
+		mVisibleAmt = 0.f;
 	}
+}
 
-	~LayoutPanel()
-	{
-		// probably not necessary, but...
-		delete mResizeBar;
-		mResizeBar = NULL;
-	}
+void LLLayoutPanel::initFromParams(const Params& p)
+{
+	LLPanel::initFromParams(p);
+	setFollowsNone();
+}
+
+
+LLLayoutPanel::~LLLayoutPanel()
+{
+	// probably not necessary, but...
+	delete mResizeBar;
+	mResizeBar = NULL;
+}
 	
-	F32 getCollapseFactor()
+F32 LLLayoutPanel::getCollapseFactor(LLLayoutStack::ELayoutOrientation orientation)
+{
+	if (orientation == LLLayoutStack::HORIZONTAL)
 	{
-		if (mOrientation == HORIZONTAL)
-		{
-			F32 collapse_amt = 
-				clamp_rescale(mCollapseAmt, 0.f, 1.f, 1.f, (F32)mMinWidth / (F32)llmax(1, mPanel->getRect().getWidth()));
-			return mVisibleAmt * collapse_amt;
-		}
-		else
+		F32 collapse_amt = 
+			clamp_rescale(mCollapseAmt, 0.f, 1.f, 1.f, (F32)mMinDim / (F32)llmax(1, getRect().getWidth()));
+		return mVisibleAmt * collapse_amt;
+	}
+	else
 	{
-			F32 collapse_amt = 
-				clamp_rescale(mCollapseAmt, 0.f, 1.f, 1.f, llmin(1.f, (F32)mMinHeight / (F32)llmax(1, mPanel->getRect().getHeight())));
-			return mVisibleAmt * collapse_amt;
-		}
+		F32 collapse_amt = 
+			clamp_rescale(mCollapseAmt, 0.f, 1.f, 1.f, llmin(1.f, (F32)mMinDim / (F32)llmax(1, getRect().getHeight())));
+		return mVisibleAmt * collapse_amt;
 	}
+}
 
-	LLPanel* mPanel;
-	S32 mMinWidth;
-	S32 mMinHeight;
-
-	// mMaxWidth & mMaxHeight are added to make configurable max width of the nearby chat bar. EXT-5589
-	// they are not processed by LLLayoutStack but they can be if necessary
-	S32 mMaxWidth;
-	S32 mMaxHeight;
-	BOOL mAutoResize;
-	BOOL mUserResize;
-	BOOL mCollapsed;
-	LLResizeBar* mResizeBar;
-	ELayoutOrientation mOrientation;
-	F32 mVisibleAmt;
-	F32 mCollapseAmt;
-};
+//
+// LLLayoutStack
+//
 
 LLLayoutStack::Params::Params()
 :	orientation("orientation", std::string("vertical")),
@@ -163,18 +134,18 @@ void LLLayoutStack::draw()
 	for (panel_it = mPanels.begin(); panel_it != mPanels.end(); ++panel_it)
 	{
 		// clip to layout rectangle, not bounding rectangle
-		LLRect clip_rect = (*panel_it)->mPanel->getRect();
+		LLRect clip_rect = (*panel_it)->getRect();
 		// scale clipping rectangle by visible amount
 		if (mOrientation == HORIZONTAL)
 		{
-			clip_rect.mRight = clip_rect.mLeft + llround((F32)clip_rect.getWidth() * (*panel_it)->getCollapseFactor());
+			clip_rect.mRight = clip_rect.mLeft + llround((F32)clip_rect.getWidth() * (*panel_it)->getCollapseFactor(mOrientation));
 		}
 		else
 		{
-			clip_rect.mBottom = clip_rect.mTop - llround((F32)clip_rect.getHeight() * (*panel_it)->getCollapseFactor());
+			clip_rect.mBottom = clip_rect.mTop - llround((F32)clip_rect.getHeight() * (*panel_it)->getCollapseFactor(mOrientation));
 		}
 
-		LLPanel* panelp = (*panel_it)->mPanel;
+		LLPanel* panelp = (*panel_it);
 
 		LLLocalClipRect clip(clip_rect, mClip);
 		// only force drawing invisible children if visible amount is non-zero
@@ -185,7 +156,7 @@ void LLLayoutStack::draw()
 
 void LLLayoutStack::removeChild(LLView* view)
 {
-	LayoutPanel* embedded_panelp = findEmbeddedPanel(dynamic_cast<LLPanel*>(view));
+	LLLayoutPanel* embedded_panelp = findEmbeddedPanel(dynamic_cast<LLPanel*>(view));
 
 	if (embedded_panelp)
 	{
@@ -206,149 +177,16 @@ BOOL LLLayoutStack::postBuild()
 	return TRUE;
 }
 
-static void get_attribute_s32_and_write(LLXMLNodePtr node,
-										const char* name,
-										S32 *value,
-										S32 default_value,
-										LLXMLNodePtr output_child)
-{
-	BOOL has_attr = node->getAttributeS32(name, *value);
-	if (has_attr && *value != default_value && output_child)
-	{
-		// create an attribute child node
-		LLXMLNodePtr child_attr = output_child->createChild(name, TRUE);
-		child_attr->setIntValue(*value);
-	}
-}
-
-static void get_attribute_bool_and_write(LLXMLNodePtr node,
-										const char* name,
-										BOOL *value,
-										BOOL default_value,
-										LLXMLNodePtr output_child)
+bool LLLayoutStack::addChild(LLView* child, S32 tab_group)
 {
-	BOOL has_attr = node->getAttributeBOOL(name, *value);
-	if (has_attr && *value != default_value && output_child)
+	LLLayoutPanel* panelp = dynamic_cast<LLLayoutPanel*>(child);
+	if (panelp)
 	{
-		LLXMLNodePtr child_attr = output_child->createChild(name, TRUE);
-		child_attr->setBoolValue(*value);
+		mPanels.push_back(panelp);
 	}
+	return LLView::addChild(child, tab_group);
 }
-//static 
-LLView* LLLayoutStack::fromXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr output_node)
-{
-	LLLayoutStack::Params p(LLUICtrlFactory::getDefaultParams<LLLayoutStack>());
-	LLXUIParser::instance().readXUI(node, p, LLUICtrlFactory::getInstance()->getCurFileName());
 
-	// Export must happen before setupParams() mungles rectangles and before
-	// this item gets added to parent (otherwise screws up last_child_rect
-	// logic). JC
-	if (output_node)
-	{
-		Params output_params(p);
-		setupParamsForExport(output_params, parent);
-		LLLayoutStack::Params default_params(LLUICtrlFactory::getDefaultParams<LLLayoutStack>());
-		output_node->setName(node->getName()->mString);
-		LLXUIParser::instance().writeXUI(
-			output_node, output_params, &default_params);
-	}
-
-	p.from_xui = true;
-	applyXUILayout(p, parent);
-	LLLayoutStack* layout_stackp = LLUICtrlFactory::create<LLLayoutStack>(p);
-
-	if (parent && layout_stackp)
-	{
-		S32 tab_group = p.tab_group.isProvided() ? p.tab_group() : parent->getLastTabGroup();
-
-		parent->addChild(layout_stackp, tab_group);
-	}
-
-	for (LLXMLNodePtr child_node = node->getFirstChild(); child_node.notNull(); child_node = child_node->getNextSibling())
-	{
-		const S32 DEFAULT_MIN_WIDTH = 0;
-		const S32 DEFAULT_MIN_HEIGHT = 0;
-		const S32 DEFAULT_MAX_WIDTH = S32_MAX;
-		const S32 DEFAULT_MAX_HEIGHT = S32_MAX;
-		const BOOL DEFAULT_AUTO_RESIZE = TRUE;
-
-		S32 min_width = DEFAULT_MIN_WIDTH;
-		S32 min_height = DEFAULT_MIN_HEIGHT;
-		S32 max_width = DEFAULT_MAX_WIDTH;
-		S32 max_height = DEFAULT_MAX_HEIGHT;
-		BOOL auto_resize = DEFAULT_AUTO_RESIZE;
-
-		LLXMLNodePtr output_child;
-		if (output_node) 
-		{
-			output_child = output_node->createChild("", FALSE);
-		}
-
-		// Layout stack allows child nodes to acquire additional attributes,
-		// such as "min_width" in:  <button label="Foo" min_width="100"/>
-		// If these attributes exist and have non-default values, write them
-		// to the output node.
-		get_attribute_s32_and_write(child_node, "min_width", &min_width,
-			DEFAULT_MIN_WIDTH, output_child);
-		get_attribute_s32_and_write(child_node, "min_height", &min_height,
-			DEFAULT_MIN_HEIGHT, output_child);
-		get_attribute_s32_and_write(child_node, "max_width", &max_width,
-			DEFAULT_MAX_WIDTH, output_child);
-		get_attribute_s32_and_write(child_node, "max_height", &max_height,
-			DEFAULT_MAX_HEIGHT, output_child);
-		get_attribute_bool_and_write(child_node, "auto_resize", &auto_resize,
-			DEFAULT_AUTO_RESIZE, output_child);
-
-		if (child_node->hasName("layout_panel"))
-		{
-			BOOL user_resize = TRUE;
-			get_attribute_bool_and_write(child_node, "user_resize", &user_resize,
-				TRUE, output_child);
-			LLPanel* panelp = (LLPanel*)LLPanel::fromXML(child_node, layout_stackp, output_child);
-			if (panelp)
-			{
-				panelp->setFollowsNone();
-				layout_stackp->addPanel(panelp, min_width, min_height, max_width, max_height, auto_resize, user_resize);
-			}
-		}
-		else
-		{
-			BOOL user_resize = FALSE;
-			get_attribute_bool_and_write(child_node, "user_resize", &user_resize,
-				FALSE, output_child);
-
-			LLPanel::Params p;
-			p.mouse_opaque(false);
-			LLPanel* panelp = LLUICtrlFactory::create<LLPanel>(p);
-			LLView* new_child = LLUICtrlFactory::getInstance()->createFromXML(child_node, panelp, LLStringUtil::null, LLPanel::child_registry_t::instance(), output_child);
-			if (new_child)
-			{
-				// put child in new embedded panel
-				layout_stackp->addPanel(panelp, min_width, min_height, max_width, max_height, auto_resize, user_resize);
-				// resize panel to contain widget and move widget to be contained in panel
-				panelp->setRect(new_child->getRect());
-				new_child->setOrigin(0, 0);
-			}
-			else
-			{
-				panelp->die();
-			}
-		}
-		
-		if (output_child && !output_child->mChildren && output_child->mAttributes.empty() && output_child->getValue().empty())
-		{
-			output_node->deleteChild(output_child);
-		}
-	}
-
-	if (!layout_stackp->postBuild())
-	{
-		delete layout_stackp;
-		return NULL;
-	}
-
-	return layout_stackp;
-}
 
 S32 LLLayoutStack::getDefaultHeight(S32 cur_height)
 {
@@ -374,34 +212,14 @@ S32 LLLayoutStack::getDefaultWidth(S32 cur_width)
 	return cur_width;
 }
 
-void LLLayoutStack::addPanel(LLPanel* panel, S32 min_width, S32 min_height, S32 max_width, S32 max_height, BOOL auto_resize, BOOL user_resize, EAnimate animate, S32 index)
+void LLLayoutStack::addPanel(LLLayoutPanel* panel, EAnimate animate)
 {
-	// panel starts off invisible (collapsed)
-	if (animate == ANIMATE)
-	{
-		panel->setVisible(FALSE);
-	}
-	LayoutPanel* embedded_panel = new LayoutPanel(panel, mOrientation, min_width, min_height, max_width, max_height, auto_resize, user_resize);
-	
-	mPanels.insert(mPanels.begin() + llclamp(index, 0, (S32)mPanels.size()), embedded_panel);
-	
-	if (panel->getParent() != this) 
-	{
-		addChild(panel);
-	}
-	addChild(embedded_panel->mResizeBar);
-
-	// bring all resize bars to the front so that they are clickable even over the panels
-	// with a bit of overlap
-	for (e_panel_list_t::iterator panel_it = mPanels.begin(); panel_it != mPanels.end(); ++panel_it)
-	{
-		LLResizeBar* resize_barp = (*panel_it)->mResizeBar;
-		sendChildToFront(resize_barp);
-	}
+	addChild(panel);
 
-	// start expanding panel animation
+	// panel starts off invisible (collapsed)
 	if (animate == ANIMATE)
 	{
+		panel->mVisibleAmt = 0.f;
 		panel->setVisible(TRUE);
 	}
 }
@@ -413,7 +231,7 @@ void LLLayoutStack::removePanel(LLPanel* panel)
 
 void LLLayoutStack::collapsePanel(LLPanel* panel, BOOL collapsed)
 {
-	LayoutPanel* panel_container = findEmbeddedPanel(panel);
+	LLLayoutPanel* panel_container = findEmbeddedPanel(panel);
 	if (!panel_container) return;
 
 	panel_container->mCollapsed = collapsed;
@@ -421,7 +239,7 @@ void LLLayoutStack::collapsePanel(LLPanel* panel, BOOL collapsed)
 
 void LLLayoutStack::updatePanelAutoResize(const std::string& panel_name, BOOL auto_resize)
 {
-	LayoutPanel* panel = findEmbeddedPanelByName(panel_name);
+	LLLayoutPanel* panel = findEmbeddedPanelByName(panel_name);
 
 	if (panel)
 	{
@@ -431,7 +249,7 @@ void LLLayoutStack::updatePanelAutoResize(const std::string& panel_name, BOOL au
 
 void LLLayoutStack::setPanelUserResize(const std::string& panel_name, BOOL user_resize)
 {
-	LayoutPanel* panel = findEmbeddedPanelByName(panel_name);
+	LLLayoutPanel* panel = findEmbeddedPanelByName(panel_name);
 
 	if (panel)
 	{
@@ -439,27 +257,25 @@ void LLLayoutStack::setPanelUserResize(const std::string& panel_name, BOOL user_
 	}
 }
 
-bool LLLayoutStack::getPanelMinSize(const std::string& panel_name, S32* min_widthp, S32* min_heightp)
+bool LLLayoutStack::getPanelMinSize(const std::string& panel_name, S32* min_dimp)
 {
-	LayoutPanel* panel = findEmbeddedPanelByName(panel_name);
+	LLLayoutPanel* panel = findEmbeddedPanelByName(panel_name);
 
 	if (panel)
 	{
-		if (min_widthp) *min_widthp = panel->mMinWidth;
-		if (min_heightp) *min_heightp = panel->mMinHeight;
+		if (min_dimp) *min_dimp = panel->mMinDim;
 	}
 
 	return NULL != panel;
 }
 
-bool LLLayoutStack::getPanelMaxSize(const std::string& panel_name, S32* max_widthp, S32* max_heightp)
+bool LLLayoutStack::getPanelMaxSize(const std::string& panel_name, S32* max_dimp)
 {
-	LayoutPanel* panel = findEmbeddedPanelByName(panel_name);
+	LLLayoutPanel* panel = findEmbeddedPanelByName(panel_name);
 
 	if (panel)
 	{
-		if (max_widthp) *max_widthp = panel->mMaxWidth;
-		if (max_heightp) *max_heightp = panel->mMaxHeight;
+		if (max_dimp) *max_dimp = panel->mMaxDim;
 	}
 
 	return NULL != panel;
@@ -471,6 +287,7 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 	LLFastTimer ft(FTM_UPDATE_LAYOUT);
 	static LLUICachedControl<S32> resize_bar_overlap ("UIResizeBarOverlap", 0);
 	calcMinExtents();
+	createResizeBars();
 
 	// calculate current extents
 	S32 total_width = 0;
@@ -482,7 +299,7 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 	e_panel_list_t::iterator panel_it;
 	for (panel_it = mPanels.begin(); panel_it != mPanels.end();	++panel_it)
 	{
-		LLPanel* panelp = (*panel_it)->mPanel;
+		LLPanel* panelp = (*panel_it);
 		if (panelp->getVisible()) 
 		{
 			if (mAnimate)
@@ -532,11 +349,11 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 		if (mOrientation == HORIZONTAL)
 		{
 			// enforce minimize size constraint by default
-			if (panelp->getRect().getWidth() < (*panel_it)->mMinWidth)
+			if (panelp->getRect().getWidth() < (*panel_it)->mMinDim)
 			{
-				panelp->reshape((*panel_it)->mMinWidth, panelp->getRect().getHeight());
+				panelp->reshape((*panel_it)->mMinDim, panelp->getRect().getHeight());
 			}
-        	total_width += llround(panelp->getRect().getWidth() * (*panel_it)->getCollapseFactor());
+        	total_width += llround(panelp->getRect().getWidth() * (*panel_it)->getCollapseFactor(mOrientation));
         	// want n-1 panel gaps for n panels
 			if (panel_it != mPanels.begin())
 			{
@@ -546,11 +363,11 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 		else //VERTICAL
 		{
 			// enforce minimize size constraint by default
-			if (panelp->getRect().getHeight() < (*panel_it)->mMinHeight)
+			if (panelp->getRect().getHeight() < (*panel_it)->mMinDim)
 			{
-				panelp->reshape(panelp->getRect().getWidth(), (*panel_it)->mMinHeight);
+				panelp->reshape(panelp->getRect().getWidth(), (*panel_it)->mMinDim);
 			}
-			total_height += llround(panelp->getRect().getHeight() * (*panel_it)->getCollapseFactor());
+			total_height += llround(panelp->getRect().getHeight() * (*panel_it)->getCollapseFactor(mOrientation));
 			if (panel_it != mPanels.begin())
 			{
 				total_height += mPanelSpacing;
@@ -564,7 +381,7 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 	for (panel_it = mPanels.begin(); panel_it != mPanels.end(); ++panel_it)
 	{
 		// panels that are not fully visible do not count towards shrink headroom
-		if ((*panel_it)->getCollapseFactor() < 1.f) 
+		if ((*panel_it)->getCollapseFactor(mOrientation) < 1.f) 
 		{
 			continue;
 		}
@@ -577,11 +394,11 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 		{
 			if (mOrientation == HORIZONTAL)
 			{
-				shrink_headroom_total += (*panel_it)->mPanel->getRect().getWidth() - (*panel_it)->mMinWidth;
+				shrink_headroom_total += (*panel_it)->getRect().getWidth() - (*panel_it)->mMinDim;
 			}
 			else //VERTICAL
 			{
-				shrink_headroom_total += (*panel_it)->mPanel->getRect().getHeight() - (*panel_it)->mMinHeight;
+				shrink_headroom_total += (*panel_it)->getRect().getHeight() - (*panel_it)->mMinDim;
 			}
 		}
 		else
@@ -589,13 +406,13 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 			num_resizable_panels++;
 			if (mOrientation == HORIZONTAL)
 			{
-				shrink_headroom_available += (*panel_it)->mPanel->getRect().getWidth() - (*panel_it)->mMinWidth;
-				shrink_headroom_total += (*panel_it)->mPanel->getRect().getWidth() - (*panel_it)->mMinWidth;
+				shrink_headroom_available += (*panel_it)->getRect().getWidth() - (*panel_it)->mMinDim;
+				shrink_headroom_total += (*panel_it)->getRect().getWidth() - (*panel_it)->mMinDim;
 			}
 			else //VERTICAL
 			{
-				shrink_headroom_available += (*panel_it)->mPanel->getRect().getHeight() - (*panel_it)->mMinHeight;
-				shrink_headroom_total += (*panel_it)->mPanel->getRect().getHeight() - (*panel_it)->mMinHeight;
+				shrink_headroom_available += (*panel_it)->getRect().getHeight() - (*panel_it)->mMinDim;
+				shrink_headroom_total += (*panel_it)->getRect().getHeight() - (*panel_it)->mMinDim;
 			}
 		}
 	}
@@ -618,17 +435,25 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 
 	for (panel_it = mPanels.begin(); panel_it != mPanels.end(); ++panel_it)
 	{
-		LLPanel* panelp = (*panel_it)->mPanel;
+		LLPanel* panelp = (*panel_it);
 
 		S32 cur_width = panelp->getRect().getWidth();
 		S32 cur_height = panelp->getRect().getHeight();
-		S32 new_width = llmax((*panel_it)->mMinWidth, cur_width);
-		S32 new_height = llmax((*panel_it)->mMinHeight, cur_height); 
+		S32 new_width = cur_width;
+		S32 new_height = cur_height; 
 
+		if (mOrientation == HORIZONTAL)
+		{
+			new_width = llmax((*panel_it)->mMinDim, new_width);
+		}
+		else
+		{
+			new_height = llmax((*panel_it)->mMinDim, new_height);
+		}
 		S32 delta_size = 0;
 
 		// if panel can automatically resize (not animating, and resize flag set)...
-		if ((*panel_it)->getCollapseFactor() == 1.f 
+		if ((*panel_it)->getCollapseFactor(mOrientation) == 1.f 
 			&& (force_resize || (*panel_it)->mAutoResize) 
 			&& !(*panel_it)->mResizeBar->hasMouseCapture()) 
 		{
@@ -639,8 +464,8 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 				{
 					// shrink proportionally to amount over minimum
 					// so we can do this in one pass
-					delta_size = (shrink_headroom_available > 0) ? llround((F32)pixels_to_distribute * ((F32)(cur_width - (*panel_it)->mMinWidth) / (F32)shrink_headroom_available)) : 0;
-					shrink_headroom_available -= (cur_width - (*panel_it)->mMinWidth);
+					delta_size = (shrink_headroom_available > 0) ? llround((F32)pixels_to_distribute * ((F32)(cur_width - (*panel_it)->mMinDim) / (F32)shrink_headroom_available)) : 0;
+					shrink_headroom_available -= (cur_width - (*panel_it)->mMinDim);
 				}
 				else
 				{
@@ -649,7 +474,7 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 					num_resizable_panels--;
 				}
 				pixels_to_distribute -= delta_size;
-				new_width = llmax((*panel_it)->mMinWidth, cur_width + delta_size);
+				new_width = llmax((*panel_it)->mMinDim, cur_width + delta_size);
 			}
 			else
 			{
@@ -662,8 +487,8 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 				{
 					// shrink proportionally to amount over minimum
 					// so we can do this in one pass
-					delta_size = (shrink_headroom_available > 0) ? llround((F32)pixels_to_distribute * ((F32)(cur_height - (*panel_it)->mMinHeight) / (F32)shrink_headroom_available)) : 0;
-					shrink_headroom_available -= (cur_height - (*panel_it)->mMinHeight);
+					delta_size = (shrink_headroom_available > 0) ? llround((F32)pixels_to_distribute * ((F32)(cur_height - (*panel_it)->mMinDim) / (F32)shrink_headroom_available)) : 0;
+					shrink_headroom_available -= (cur_height - (*panel_it)->mMinDim);
 				}
 				else
 				{
@@ -671,7 +496,7 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 					num_resizable_panels--;
 				}
 				pixels_to_distribute -= delta_size;
-				new_height = llmax((*panel_it)->mMinHeight, cur_height + delta_size);
+				new_height = llmax((*panel_it)->mMinDim, cur_height + delta_size);
 			}
 			else
 			{
@@ -712,11 +537,11 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 
 		if (mOrientation == HORIZONTAL)
 		{
-			cur_x += llround(new_width * (*panel_it)->getCollapseFactor()) + mPanelSpacing;
+			cur_x += llround(new_width * (*panel_it)->getCollapseFactor(mOrientation)) + mPanelSpacing;
 		}
 		else //VERTICAL
 		{
-			cur_y -= llround(new_height * (*panel_it)->getCollapseFactor()) + mPanelSpacing;
+			cur_y -= llround(new_height * (*panel_it)->getCollapseFactor(mOrientation)) + mPanelSpacing;
 		}
 	}
 
@@ -724,19 +549,19 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 	LLResizeBar* last_resize_bar = NULL;
 	for (panel_it = mPanels.begin(); panel_it != mPanels.end(); ++panel_it)
 	{
-		LLPanel* panelp = (*panel_it)->mPanel;
+		LLPanel* panelp = (*panel_it);
 
 		if (mOrientation == HORIZONTAL)
 		{
 			(*panel_it)->mResizeBar->setResizeLimits(
-				(*panel_it)->mMinWidth, 
-				(*panel_it)->mMinWidth + shrink_headroom_total);
+				(*panel_it)->mMinDim, 
+				(*panel_it)->mMinDim + shrink_headroom_total);
 		}
 		else //VERTICAL
 		{
 			(*panel_it)->mResizeBar->setResizeLimits(
-				(*panel_it)->mMinHeight, 
-				(*panel_it)->mMinHeight + shrink_headroom_total);
+				(*panel_it)->mMinDim, 
+				(*panel_it)->mMinDim + shrink_headroom_total);
 		}
 
 		// toggle resize bars based on panel visibility, resizability, etc
@@ -772,14 +597,14 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 } // end LLLayoutStack::updateLayout
 
 
-LLLayoutStack::LayoutPanel* LLLayoutStack::findEmbeddedPanel(LLPanel* panelp) const
+LLLayoutPanel* LLLayoutStack::findEmbeddedPanel(LLPanel* panelp) const
 {
 	if (!panelp) return NULL;
 
 	e_panel_list_t::const_iterator panel_it;
 	for (panel_it = mPanels.begin(); panel_it != mPanels.end(); ++panel_it)
 	{
-		if ((*panel_it)->mPanel == panelp)
+		if ((*panel_it) == panelp)
 		{
 			return *panel_it;
 		}
@@ -787,15 +612,15 @@ LLLayoutStack::LayoutPanel* LLLayoutStack::findEmbeddedPanel(LLPanel* panelp) co
 	return NULL;
 }
 
-LLLayoutStack::LayoutPanel* LLLayoutStack::findEmbeddedPanelByName(const std::string& name) const
+LLLayoutPanel* LLLayoutStack::findEmbeddedPanelByName(const std::string& name) const
 {
-	LayoutPanel* result = NULL;
+	LLLayoutPanel* result = NULL;
 
 	for (e_panel_list_t::const_iterator panel_it = mPanels.begin(); panel_it != mPanels.end(); ++panel_it)
 	{
-		LayoutPanel* p = *panel_it;
+		LLLayoutPanel* p = *panel_it;
 
-		if (p->mPanel->getName() == name)
+		if (p->getName() == name)
 		{
 			result = p;
 			break;
@@ -816,9 +641,7 @@ void LLLayoutStack::calcMinExtents()
 	{
 		if (mOrientation == HORIZONTAL)
 		{
-			mMinHeight = llmax(	mMinHeight, 
-								(*panel_it)->mMinHeight);
-            mMinWidth += (*panel_it)->mMinWidth;
+            mMinWidth += (*panel_it)->mMinDim;
 			if (panel_it != mPanels.begin())
 			{
 				mMinWidth += mPanelSpacing;
@@ -826,9 +649,7 @@ void LLLayoutStack::calcMinExtents()
 		}
 		else //VERTICAL
 		{
-	        mMinWidth = llmax(	mMinWidth, 
-								(*panel_it)->mMinWidth);
-			mMinHeight += (*panel_it)->mMinHeight;
+			mMinHeight += (*panel_it)->mMinDim;
 			if (panel_it != mPanels.begin())
 			{
 				mMinHeight += mPanelSpacing;
@@ -837,6 +658,37 @@ void LLLayoutStack::calcMinExtents()
 	}
 }
 
+void LLLayoutStack::createResizeBars()
+{
+	for (e_panel_list_t::iterator panel_it = mPanels.begin(); panel_it != mPanels.end(); ++panel_it)
+	{
+		LLLayoutPanel* lp = (*panel_it);
+		if (lp->mResizeBar == NULL)
+		{
+			LLResizeBar::Side side = (mOrientation == HORIZONTAL) ? LLResizeBar::RIGHT : LLResizeBar::BOTTOM;
+			LLRect resize_bar_rect = getRect();
+
+			LLResizeBar::Params resize_params;
+			resize_params.name("resize");
+			resize_params.resizing_view(lp);
+			resize_params.min_size(lp->mMinDim);
+			resize_params.side(side);
+			resize_params.snapping_enabled(false);
+			LLResizeBar* resize_bar = LLUICtrlFactory::create<LLResizeBar>(resize_params);
+			lp->mResizeBar = resize_bar;
+			LLView::addChild(resize_bar, 0);
+
+			// bring all resize bars to the front so that they are clickable even over the panels
+			// with a bit of overlap
+			for (e_panel_list_t::iterator panel_it = mPanels.begin(); panel_it != mPanels.end(); ++panel_it)
+			{
+				LLResizeBar* resize_barp = (*panel_it)->mResizeBar;
+				sendChildToFront(resize_barp);
+			}
+		}
+	}
+}
+
 // update layout stack animations, etc. once per frame
 // NOTE: we use this to size world view based on animating UI, *before* we draw the UI
 // we might still need to call updateLayout during UI draw phase, in case UI elements
diff --git a/indra/llui/lllayoutstack.h b/indra/llui/lllayoutstack.h
index e454454fe2..9bcfa2c957 100644
--- a/indra/llui/lllayoutstack.h
+++ b/indra/llui/lllayoutstack.h
@@ -34,13 +34,18 @@
 #ifndef LL_LLLAYOUTSTACK_H
 #define LL_LLLAYOUTSTACK_H
 
-#include "llview.h"
+#include "llpanel.h"
 
 class LLPanel;
 
+class LLLayoutPanel;
+
 class LLLayoutStack : public LLView, public LLInstanceTracker<LLLayoutStack>
 {
 public:
+	struct LayoutStackRegistry : public LLChildRegistry<LayoutStackRegistry>
+	{};
+
 	struct Params : public LLInitParam::Block<Params, LLView::Params>
 	{
 		Optional<std::string>	orientation;
@@ -51,6 +56,8 @@ public:
 		Params();
 	};
 
+	typedef LayoutStackRegistry child_registry_t;
+
 	typedef enum e_layout_orientation
 	{
 		HORIZONTAL,
@@ -62,6 +69,7 @@ public:
 	/*virtual*/ void draw();
 	/*virtual*/ void removeChild(LLView*);
 	/*virtual*/ BOOL postBuild();
+	/*virtual*/ bool addChild(LLView* child, S32 tab_group = 0);
 
 	static LLView* fromXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr output_node = NULL);
 
@@ -74,7 +82,7 @@ public:
 		ANIMATE
 	} EAnimate;
 
-	void addPanel(LLPanel* panel, S32 min_width, S32 min_height, S32 max_width, S32 max_height, BOOL auto_resize, BOOL user_resize, EAnimate animate = NO_ANIMATE, S32 index = S32_MAX);
+	void addPanel(LLLayoutPanel* panel, EAnimate animate = NO_ANIMATE);
 	void removePanel(LLPanel* panel);
 	void collapsePanel(LLPanel* panel, BOOL collapsed = TRUE);
 	S32 getNumPanels() { return mPanels.size(); }
@@ -83,20 +91,18 @@ public:
 	void setPanelUserResize(const std::string& panel_name, BOOL user_resize);
 	
 	/**
-	 * Gets minimal width and/or height of the specified by name panel.
+	 * Gets minimal dimension along layout_stack axis of the specified by name panel.
 	 *
-	 * If it is necessary to get only the one dimension pass NULL for another one.
 	 * @returns true if specified by panel_name internal panel exists, false otherwise.
 	 */
-	bool getPanelMinSize(const std::string& panel_name, S32* min_widthp, S32* min_heightp);
+	bool getPanelMinSize(const std::string& panel_name, S32* min_dimp);
 
 	/**
-	 * Gets maximal width and/or height of the specified by name panel.
+	 * Gets maximal dimension along layout_stack axis of the specified by name panel.
 	 *
-	 * If it is necessary to get only the one dimension pass NULL for another one.
 	 * @returns true if specified by panel_name internal panel exists, false otherwise.
 	 */
-	bool getPanelMaxSize(const std::string& panel_name, S32* max_width, S32* max_height);
+	bool getPanelMaxSize(const std::string& panel_name, S32* max_dim);
 	
 	void updateLayout(BOOL force_resize = FALSE);
 	
@@ -111,19 +117,18 @@ protected:
 	friend class LLUICtrlFactory;
 
 private:
-	struct LayoutPanel;
-
+	void createResizeBars();
 	void calcMinExtents();
 	S32 getDefaultHeight(S32 cur_height);
 	S32 getDefaultWidth(S32 cur_width);
 
 	const ELayoutOrientation mOrientation;
 
-	typedef std::vector<LayoutPanel*> e_panel_list_t;
+	typedef std::vector<LLLayoutPanel*> e_panel_list_t;
 	e_panel_list_t mPanels;
 
-	LayoutPanel* findEmbeddedPanel(LLPanel* panelp) const;
-	LayoutPanel* findEmbeddedPanelByName(const std::string& name) const;
+	LLLayoutPanel* findEmbeddedPanel(LLPanel* panelp) const;
+	LLLayoutPanel* findEmbeddedPanelByName(const std::string& name) const;
 
 	S32 mMinWidth;  // calculated by calcMinExtents
 	S32 mMinHeight;  // calculated by calcMinExtents
@@ -135,4 +140,49 @@ private:
 	bool mClip;
 }; // end class LLLayoutStack
 
+class LLLayoutPanel : public LLPanel
+{
+friend LLLayoutStack;
+friend class LLUICtrlFactory;
+public:
+	struct Params : public LLInitParam::Block<Params, LLPanel::Params>
+	{
+		Optional<S32>			min_dim,
+								max_dim;
+		Optional<bool>			user_resize,
+								auto_resize;
+
+		Params()
+		:	min_dim("min_dim", 0),
+			max_dim("max_dim", 0),
+			user_resize("user_resize", true),
+			auto_resize("auto_resize", true)
+		{
+			addSynonym(min_dim, "min_width");
+			addSynonym(min_dim, "min_height");
+			addSynonym(max_dim, "max_width");
+			addSynonym(max_dim, "max_height");
+		}
+	};
+
+	~LLLayoutPanel();
+
+	void initFromParams(const Params& p);
+protected:
+	LLLayoutPanel(const Params& p)	;
+
+	
+	F32 getCollapseFactor(LLLayoutStack::ELayoutOrientation orientation);
+
+	S32 mMinDim;
+	S32 mMaxDim;
+	BOOL mAutoResize;
+	BOOL mUserResize;
+	BOOL mCollapsed;
+	class LLResizeBar* mResizeBar;
+	F32 mVisibleAmt;
+	F32 mCollapseAmt;
+};
+
+
 #endif
diff --git a/indra/llui/lllineeditor.cpp b/indra/llui/lllineeditor.cpp
index c93ca1af88..e6a07b02cc 100644
--- a/indra/llui/lllineeditor.cpp
+++ b/indra/llui/lllineeditor.cpp
@@ -1277,7 +1277,7 @@ BOOL LLLineEditor::handleSpecialKey(KEY key, MASK mask)
 			if( mCurrentHistoryLine > mLineHistory.begin() )
 			{
 				mText.assign( *(--mCurrentHistoryLine) );
-				setCursor(llmin((S32)mText.length(), getCursor()));
+				setCursorToEnd();
 			}
 			else
 			{
@@ -1294,7 +1294,7 @@ BOOL LLLineEditor::handleSpecialKey(KEY key, MASK mask)
 			if( !mLineHistory.empty() && mCurrentHistoryLine < mLineHistory.end() - 1 )
 			{
 				mText.assign( *(++mCurrentHistoryLine) );
-				setCursor(llmin((S32)mText.length(), getCursor()));
+				setCursorToEnd();
 			}
 			else
 			{
diff --git a/indra/llui/llpanel.cpp b/indra/llui/llpanel.cpp
index 51c8f6c743..4471f315c0 100644
--- a/indra/llui/llpanel.cpp
+++ b/indra/llui/llpanel.cpp
@@ -389,8 +389,7 @@ LLView* LLPanel::fromXML(LLXMLNodePtr node, LLView* parent, LLXMLNodePtr output_
 
 	LLPanel* panelp = NULL;
 	
-	{
-		LLFastTimer timer(FTM_PANEL_CONSTRUCTION);
+	{	LLFastTimer _(FTM_PANEL_CONSTRUCTION);
 		
 		if(!class_attr.empty())
 		{
@@ -512,6 +511,8 @@ BOOL LLPanel::initPanelXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr outpu
 			setXMLFilename(xml_filename);
 		}
 
+		LLXUIParser parser;
+
 		if (!xml_filename.empty())
 		{
 			LLUICtrlFactory::instance().pushFileName(xml_filename);
@@ -521,12 +522,11 @@ BOOL LLPanel::initPanelXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr outpu
 			{
 				//if we are exporting, we want to export the current xml
 				//not the referenced xml
-				LLXUIParser::instance().readXUI(node, params, LLUICtrlFactory::getInstance()->getCurFileName());
+				parser.readXUI(node, params, LLUICtrlFactory::getInstance()->getCurFileName());
 				Params output_params(params);
 				setupParamsForExport(output_params, parent);
 				output_node->setName(node->getName()->mString);
-				LLXUIParser::instance().writeXUI(
-					output_node, output_params, &default_params);
+				parser.writeXUI(output_node, output_params, &default_params);
 				return TRUE;
 			}
 		
@@ -537,7 +537,7 @@ BOOL LLPanel::initPanelXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr outpu
 				return FALSE;
 			}
 
-			LLXUIParser::instance().readXUI(referenced_xml, params, LLUICtrlFactory::getInstance()->getCurFileName());
+			parser.readXUI(referenced_xml, params, LLUICtrlFactory::getInstance()->getCurFileName());
 
 			// add children using dimensions from referenced xml for consistent layout
 			setShape(params.rect);
@@ -547,15 +547,14 @@ BOOL LLPanel::initPanelXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr outpu
 		}
 
 		// ask LLUICtrlFactory for filename, since xml_filename might be empty
-		LLXUIParser::instance().readXUI(node, params, LLUICtrlFactory::getInstance()->getCurFileName());
+		parser.readXUI(node, params, LLUICtrlFactory::getInstance()->getCurFileName());
 
 		if (output_node)
 		{
 			Params output_params(params);
 			setupParamsForExport(output_params, parent);
 			output_node->setName(node->getName()->mString);
-			LLXUIParser::instance().writeXUI(
-				output_node, output_params, &default_params);
+			parser.writeXUI(output_node, output_params, &default_params);
 		}
 		
 		params.from_xui = true;
diff --git a/indra/llui/llrngwriter.cpp b/indra/llui/llrngwriter.cpp
index 7e3d4b92d3..718c10d2f8 100644
--- a/indra/llui/llrngwriter.cpp
+++ b/indra/llui/llrngwriter.cpp
@@ -36,10 +36,15 @@
 #include "lluicolor.h"
 #include "lluictrlfactory.h"
 
+static 	LLInitParam::Parser::parser_read_func_map_t sReadFuncs;
+static 	LLInitParam::Parser::parser_write_func_map_t sWriteFuncs;
+static 	LLInitParam::Parser::parser_inspect_func_map_t sInspectFuncs;
+
 //
 // LLRNGWriter - writes Relax NG schema files based on a param block
 //
 LLRNGWriter::LLRNGWriter()
+: Parser(sReadFuncs, sWriteFuncs, sInspectFuncs)
 {
 	// register various callbacks for inspecting the contents of a param block
 	registerInspectFunc<bool>(boost::bind(&LLRNGWriter::writeAttribute, this, "boolean", _1, _2, _3, _4));
diff --git a/indra/llui/llscrolllistctrl.cpp b/indra/llui/llscrolllistctrl.cpp
index d356f061f9..844278e41c 100644
--- a/indra/llui/llscrolllistctrl.cpp
+++ b/indra/llui/llscrolllistctrl.cpp
@@ -2568,7 +2568,8 @@ BOOL	LLScrollListCtrl::canDeselect() const
 void LLScrollListCtrl::addColumn(const LLSD& column, EAddPosition pos)
 {
 	LLScrollListColumn::Params p;
-	LLParamSDParser::instance().readSD(column, p);
+	LLParamSDParser parser;
+	parser.readSD(column, p);
 	addColumn(p, pos);
 }
 
@@ -2759,7 +2760,8 @@ LLScrollListItem* LLScrollListCtrl::addElement(const LLSD& element, EAddPosition
 {
 	LLFastTimer _(FTM_ADD_SCROLLLIST_ELEMENT);
 	LLScrollListItem::Params item_params;
-	LLParamSDParser::instance().readSD(element, item_params);
+	LLParamSDParser parser;
+	parser.readSD(element, item_params);
 	item_params.userdata = userdata;
 	return addRow(item_params, pos);
 }
diff --git a/indra/llui/llsdparam.cpp b/indra/llui/llsdparam.cpp
index 7d37127584..69976004e6 100644
--- a/indra/llui/llsdparam.cpp
+++ b/indra/llui/llsdparam.cpp
@@ -36,31 +36,40 @@
 // Project includes
 #include "llsdparam.h"
 
+static 	LLInitParam::Parser::parser_read_func_map_t sReadFuncs;
+static 	LLInitParam::Parser::parser_write_func_map_t sWriteFuncs;
+static 	LLInitParam::Parser::parser_inspect_func_map_t sInspectFuncs;
+
 //
 // LLParamSDParser
 //
 LLParamSDParser::LLParamSDParser()
+: Parser(sReadFuncs, sWriteFuncs, sInspectFuncs)
 {
 	using boost::bind;
 
-	registerParserFuncs<S32>(readS32, bind(&LLParamSDParser::writeTypedValue<S32>, this, _1, _2));
-	registerParserFuncs<U32>(readU32, bind(&LLParamSDParser::writeU32Param, this, _1, _2));
-	registerParserFuncs<F32>(readF32, bind(&LLParamSDParser::writeTypedValue<F32>, this, _1, _2));
-	registerParserFuncs<F64>(readF64, bind(&LLParamSDParser::writeTypedValue<F64>, this, _1, _2));
-	registerParserFuncs<bool>(readBool, bind(&LLParamSDParser::writeTypedValue<F32>, this, _1, _2));
-	registerParserFuncs<std::string>(readString, bind(&LLParamSDParser::writeTypedValue<std::string>, this, _1, _2));
-	registerParserFuncs<LLUUID>(readUUID, bind(&LLParamSDParser::writeTypedValue<LLUUID>, this, _1, _2));
-	registerParserFuncs<LLDate>(readDate, bind(&LLParamSDParser::writeTypedValue<LLDate>, this, _1, _2));
-	registerParserFuncs<LLURI>(readURI, bind(&LLParamSDParser::writeTypedValue<LLURI>, this, _1, _2));
-	registerParserFuncs<LLSD>(readSD, bind(&LLParamSDParser::writeTypedValue<LLSD>, this, _1, _2));
+	if (sReadFuncs.empty())
+	{
+		registerParserFuncs<S32>(readS32, &LLParamSDParser::writeTypedValue<S32>);
+		registerParserFuncs<U32>(readU32, &LLParamSDParser::writeU32Param);
+		registerParserFuncs<F32>(readF32, &LLParamSDParser::writeTypedValue<F32>);
+		registerParserFuncs<F64>(readF64, &LLParamSDParser::writeTypedValue<F64>);
+		registerParserFuncs<bool>(readBool, &LLParamSDParser::writeTypedValue<F32>);
+		registerParserFuncs<std::string>(readString, &LLParamSDParser::writeTypedValue<std::string>);
+		registerParserFuncs<LLUUID>(readUUID, &LLParamSDParser::writeTypedValue<LLUUID>);
+		registerParserFuncs<LLDate>(readDate, &LLParamSDParser::writeTypedValue<LLDate>);
+		registerParserFuncs<LLURI>(readURI, &LLParamSDParser::writeTypedValue<LLURI>);
+		registerParserFuncs<LLSD>(readSD, &LLParamSDParser::writeTypedValue<LLSD>);
+	}
 }
 
 // special case handling of U32 due to ambiguous LLSD::assign overload
-bool LLParamSDParser::writeU32Param(const void* val_ptr, const parser_t::name_stack_t& name_stack)
+bool LLParamSDParser::writeU32Param(LLParamSDParser::parser_t& parser, const void* val_ptr, const parser_t::name_stack_t& name_stack)
 {
-	if (!mWriteSD) return false;
+	LLParamSDParser& sdparser = static_cast<LLParamSDParser&>(parser);
+	if (!sdparser.mWriteSD) return false;
 	
-	LLSD* sd_to_write = getSDWriteNode(name_stack);
+	LLSD* sd_to_write = sdparser.getSDWriteNode(name_stack);
 	if (!sd_to_write) return false;
 
 	sd_to_write->assign((S32)*((const U32*)val_ptr));
diff --git a/indra/llui/llsdparam.h b/indra/llui/llsdparam.h
index d8af3c9bce..83c958d67d 100644
--- a/indra/llui/llsdparam.h
+++ b/indra/llui/llsdparam.h
@@ -37,17 +37,14 @@
 #include "llinitparam.h"
 
 class LLParamSDParser 
-:	public LLInitParam::Parser, 
-	public LLSingleton<LLParamSDParser>
+:	public LLInitParam::Parser
 {
 LOG_CLASS(LLParamSDParser);
 
 typedef LLInitParam::Parser parser_t;
 
-protected:
-	LLParamSDParser();
-	friend class LLSingleton<LLParamSDParser>;
 public:
+	LLParamSDParser();
 	void readSD(const LLSD& sd, LLInitParam::BaseBlock& block, bool silent = false);
 	void writeSD(LLSD& sd, const LLInitParam::BaseBlock& block);
 
@@ -57,11 +54,12 @@ private:
 	void readSDValues(const LLSD& sd, LLInitParam::BaseBlock& block);
 
 	template<typename T>
-	bool writeTypedValue(const void* val_ptr, const parser_t::name_stack_t& name_stack)
+	static bool writeTypedValue(Parser& parser, const void* val_ptr, const parser_t::name_stack_t& name_stack)
 	{
-		if (!mWriteSD) return false;
+		LLParamSDParser& sdparser = static_cast<LLParamSDParser&>(parser);
+		if (!sdparser.mWriteSD) return false;
 		
-		LLSD* sd_to_write = getSDWriteNode(name_stack);
+		LLSD* sd_to_write = sdparser.getSDWriteNode(name_stack);
 		if (!sd_to_write) return false;
 
 		sd_to_write->assign(*((const T*)val_ptr));
@@ -70,7 +68,7 @@ private:
 
 	LLSD* getSDWriteNode(const parser_t::name_stack_t& name_stack);
 
-	bool writeU32Param(const void* value_ptr, const parser_t::name_stack_t& name_stack);
+	static bool writeU32Param(Parser& parser, const void* value_ptr, const parser_t::name_stack_t& name_stack);
 
 	static bool readS32(Parser& parser, void* val_ptr);
 	static bool readU32(Parser& parser, void* val_ptr);
diff --git a/indra/llui/llui.cpp b/indra/llui/llui.cpp
index 5d8b628776..85fdfbb312 100644
--- a/indra/llui/llui.cpp
+++ b/indra/llui/llui.cpp
@@ -1802,7 +1802,8 @@ void LLUI::setupPaths()
 	LLXMLNodePtr root;
 	BOOL success  = LLXMLNode::parseFile(filename, root, NULL);
 	Paths paths;
-	LLXUIParser::instance().readXUI(root, paths, filename);
+	LLXUIParser parser;
+	parser.readXUI(root, paths, filename);
 
 	sXUIPaths.clear();
 	
diff --git a/indra/llui/lluicolortable.cpp b/indra/llui/lluicolortable.cpp
index 1b64ef3abe..88140f1a49 100644
--- a/indra/llui/lluicolortable.cpp
+++ b/indra/llui/lluicolortable.cpp
@@ -243,7 +243,8 @@ void LLUIColorTable::saveUserSettings() const
 	}
 
 	LLXMLNodePtr output_node = new LLXMLNode("colors", false);
-	LLXUIParser::instance().writeXUI(output_node, params);
+	LLXUIParser parser;
+	parser.writeXUI(output_node, params);
 
 	if(!output_node->isNull())
 	{
@@ -309,7 +310,8 @@ bool LLUIColorTable::loadFromFilename(const std::string& filename, string_color_
 	}
 
 	Params params;
-	LLXUIParser::instance().readXUI(root, params, filename);
+	LLXUIParser parser;
+	parser.readXUI(root, params, filename);
 
 	if(params.validateBlock())
 	{
diff --git a/indra/llui/lluictrlfactory.cpp b/indra/llui/lluictrlfactory.cpp
index ee700ee6eb..2a2fa21ec0 100644
--- a/indra/llui/lluictrlfactory.cpp
+++ b/indra/llui/lluictrlfactory.cpp
@@ -103,7 +103,8 @@ void LLUICtrlFactory::loadWidgetTemplate(const std::string& widget_tag, LLInitPa
 	if (!full_filename.empty())
 	{
 		LLUICtrlFactory::instance().pushFileName(full_filename);
-		LLSimpleXUIParser::instance().readXUI(full_filename, block);
+		LLSimpleXUIParser parser;
+		parser.readXUI(full_filename, block);
 		LLUICtrlFactory::instance().popFileName();
 	}
 }
diff --git a/indra/llui/lluictrlfactory.h b/indra/llui/lluictrlfactory.h
index 207f74c89a..6b5d055b78 100644
--- a/indra/llui/lluictrlfactory.h
+++ b/indra/llui/lluictrlfactory.h
@@ -273,7 +273,8 @@ private:
 
 		typename T::Params params(getDefaultParams<T>());
 
-		LLXUIParser::instance().readXUI(node, params, LLUICtrlFactory::getInstance()->getCurFileName());
+		LLXUIParser parser;
+		parser.readXUI(node, params, LLUICtrlFactory::getInstance()->getCurFileName());
 
 		if (output_node)
 		{
@@ -283,8 +284,7 @@ private:
 			// Export only the differences between this any default params
 			typename T::Params default_params(getDefaultParams<T>());
 			copyName(node, output_node);
-			LLXUIParser::instance().writeXUI(
-				output_node, output_params, &default_params);
+			parser.writeXUI(output_node, output_params, &default_params);
 		}
 
 		// Apply layout transformations, usually munging rect
diff --git a/indra/llui/llview.cpp b/indra/llui/llview.cpp
index 3ee4a85de0..878def07ae 100644
--- a/indra/llui/llview.cpp
+++ b/indra/llui/llview.cpp
@@ -108,11 +108,7 @@ LLView::Params::Params()
 	left_pad("left_pad"),
 	left_delta("left_delta", S32_MAX),
 	from_xui("from_xui", false),
-	user_resize("user_resize"),
-	auto_resize("auto_resize"),
 	needs_translate("translate"),
-	min_width("min_width"),
-	max_width("max_width"),
 	xmlns("xmlns"),
 	xmlns_xsi("xmlns:xsi"),
 	xsi_schemaLocation("xsi:schemaLocation"),
diff --git a/indra/llui/llview.h b/indra/llui/llview.h
index 0f796fb408..fa4f4c8ae2 100644
--- a/indra/llui/llview.h
+++ b/indra/llui/llview.h
@@ -145,11 +145,7 @@ public:
 									left_delta;		// from last left to my left
 
 		//FIXME: get parent context involved in parsing traversal
-		Ignored						user_resize,		// nested attribute for LLLayoutPanel
-									auto_resize,		// nested attribute for LLLayoutPanel
-									needs_translate,	// cue for translation tools
-									min_width,			// nested attribute for LLLayoutPanel
-									max_width,			// nested attribute for LLLayoutPanel
+		Ignored						needs_translate,	// cue for translation tools
 									xmlns,				// xml namespace
 									xmlns_xsi,			// xml namespace
 									xsi_schemaLocation,	// xml schema
diff --git a/indra/llxuixml/llinitparam.cpp b/indra/llxuixml/llinitparam.cpp
index 99191d2dbe..922a91b609 100644
--- a/indra/llxuixml/llinitparam.cpp
+++ b/indra/llxuixml/llinitparam.cpp
@@ -74,7 +74,6 @@ namespace LLInitParam
 	void BlockDescriptor::aggregateBlockData(BlockDescriptor& src_block_data) 
 	{
 		mNamedParams.insert(src_block_data.mNamedParams.begin(), src_block_data.mNamedParams.end());
-		mSynonyms.insert(src_block_data.mSynonyms.begin(), src_block_data.mSynonyms.end());
 		std::copy(src_block_data.mUnnamedParams.begin(), src_block_data.mUnnamedParams.end(), std::back_inserter(mUnnamedParams));
 		std::copy(src_block_data.mValidationList.begin(), src_block_data.mValidationList.end(), std::back_inserter(mValidationList));
 		std::copy(src_block_data.mAllParams.begin(), src_block_data.mAllParams.end(), std::back_inserter(mAllParams));
@@ -277,22 +276,6 @@ namespace LLInitParam
 			}
 		}
 
-		for(BlockDescriptor::param_map_t::const_iterator it = block_data.mSynonyms.begin();
-			it != block_data.mSynonyms.end();
-			++it)
-		{
-			param_handle_t param_handle = it->second->mParamHandle;
-			const Param* param = getParamFromHandle(param_handle);
-			ParamDescriptor::inspect_func_t inspect_func = it->second->mInspectFunc;
-			if (inspect_func)
-			{
-				// use existing serial number for param
-				name_stack.push_back(std::make_pair(it->first, it->second->mGeneration));
-				inspect_func(*param, parser, name_stack, it->second->mMinCount, it->second->mMaxCount);
-				name_stack.pop_back();
-			}
-		}
-
 		return true;
 	}
 
@@ -314,22 +297,9 @@ namespace LLInitParam
 				// find pointer to member parameter from offset table
 				paramp = getParamFromHandle(found_it->second->mParamHandle);
 				deserialize_func = found_it->second->mDeserializeFunc;
-			}
-			else
-			{
-				BlockDescriptor::param_map_t::iterator found_it = block_data.mSynonyms.find(top_name);
-				if (found_it != block_data.mSynonyms.end())
-				{
-					// find pointer to member parameter from offset table
-					paramp = getParamFromHandle(found_it->second->mParamHandle);
-					deserialize_func = found_it->second->mDeserializeFunc;
-				}
-			}
 					
-			Parser::name_stack_range_t new_name_stack(name_stack.first, name_stack.second);
-			++new_name_stack.first;
-			if (deserialize_func)
-			{
+				Parser::name_stack_range_t new_name_stack(name_stack.first, name_stack.second);
+				++new_name_stack.first;
 				return deserialize_func(*paramp, p, new_name_stack, name_stack.first == name_stack.second ? -1 : name_stack.first->second);
 			}
 		}
@@ -404,7 +374,7 @@ namespace LLInitParam
 				}
 				else
 				{
-					block_data.mSynonyms[synonym] = param_descriptor;
+					block_data.mNamedParams[synonym] = param_descriptor;
 				}
 			}
 		}
@@ -429,14 +399,6 @@ namespace LLInitParam
 			}
 		}
 
-		for (BlockDescriptor::param_map_t::const_iterator it = block_data.mSynonyms.begin(); it != block_data.mSynonyms.end(); ++it)
-		{
-			if (it->second->mParamHandle == handle)
-			{
-				return it->first;
-			}
-		}
-
 		return LLStringUtil::null;
 	}
 
diff --git a/indra/llxuixml/llinitparam.h b/indra/llxuixml/llinitparam.h
index 5461ad9d05..51dbd99fb1 100644
--- a/indra/llxuixml/llinitparam.h
+++ b/indra/llxuixml/llinitparam.h
@@ -204,23 +204,26 @@ namespace LLInitParam
 		typedef std::vector<std::string>							possible_values_t;
 
 		typedef bool (*parser_read_func_t)(Parser& parser, void* output);
-		typedef boost::function<bool (const void*, const name_stack_t&)>								parser_write_func_t;
+		typedef bool (*parser_write_func_t)(Parser& parser, const void*, const name_stack_t&);
 		typedef boost::function<void (const name_stack_t&, S32, S32, const possible_values_t*)>	parser_inspect_func_t;
 
 		typedef std::map<const std::type_info*, parser_read_func_t, CompareTypeID>		parser_read_func_map_t;
 		typedef std::map<const std::type_info*, parser_write_func_t, CompareTypeID>		parser_write_func_map_t;
 		typedef std::map<const std::type_info*, parser_inspect_func_t, CompareTypeID>	parser_inspect_func_map_t;
 
-		Parser()
+		Parser(parser_read_func_map_t& read_map, parser_write_func_map_t& write_map, parser_inspect_func_map_t& inspect_map)
 		:	mParseSilently(false),
-			mParseGeneration(0)
+			mParseGeneration(0),
+			mParserReadFuncs(&read_map),
+			mParserWriteFuncs(&write_map),
+			mParserInspectFuncs(&inspect_map)
 		{}
 		virtual ~Parser();
 
 		template <typename T> bool readValue(T& param)
 	    {
-		    parser_read_func_map_t::iterator found_it = mParserReadFuncs.find(&typeid(T));
-		    if (found_it != mParserReadFuncs.end())
+		    parser_read_func_map_t::iterator found_it = mParserReadFuncs->find(&typeid(T));
+		    if (found_it != mParserReadFuncs->end())
 		    {
 			    return found_it->second(*this, (void*)&param);
 		    }
@@ -229,10 +232,10 @@ namespace LLInitParam
 
 		template <typename T> bool writeValue(const T& param, const name_stack_t& name_stack)
 		{
-		    parser_write_func_map_t::iterator found_it = mParserWriteFuncs.find(&typeid(T));
-		    if (found_it != mParserWriteFuncs.end())
+		    parser_write_func_map_t::iterator found_it = mParserWriteFuncs->find(&typeid(T));
+		    if (found_it != mParserWriteFuncs->end())
 		    {
-			    return found_it->second((const void*)&param, name_stack);
+			    return found_it->second(*this, (const void*)&param, name_stack);
 		    }
 		    return false;
 		}
@@ -240,8 +243,8 @@ namespace LLInitParam
 		// dispatch inspection to registered inspection functions, for each parameter in a param block
 		template <typename T> bool inspectValue(const name_stack_t& name_stack, S32 min_count, S32 max_count, const possible_values_t* possible_values)
 		{
-		    parser_inspect_func_map_t::iterator found_it = mParserInspectFuncs.find(&typeid(T));
-		    if (found_it != mParserInspectFuncs.end())
+		    parser_inspect_func_map_t::iterator found_it = mParserInspectFuncs->find(&typeid(T));
+		    if (found_it != mParserInspectFuncs->end())
 		    {
 			    found_it->second(name_stack, min_count, max_count, possible_values);
 				return true;
@@ -253,7 +256,6 @@ namespace LLInitParam
 		virtual void parserWarning(const std::string& message);
 		virtual void parserError(const std::string& message);
 		void setParseSilently(bool silent) { mParseSilently = silent; }
-		bool getParseSilently() { return mParseSilently; }
 
 		S32 getParseGeneration() { return mParseGeneration; }
 		S32 newParseGeneration() { return ++mParseGeneration; }
@@ -261,24 +263,24 @@ namespace LLInitParam
 
 	protected:
 		template <typename T>
-		void registerParserFuncs(parser_read_func_t read_func, parser_write_func_t write_func)
+		void registerParserFuncs(parser_read_func_t read_func, parser_write_func_t write_func = NULL)
 		{
-			mParserReadFuncs.insert(std::make_pair(&typeid(T), read_func));
-			mParserWriteFuncs.insert(std::make_pair(&typeid(T), write_func));
+			mParserReadFuncs->insert(std::make_pair(&typeid(T), read_func));
+			mParserWriteFuncs->insert(std::make_pair(&typeid(T), write_func));
 		}
 
 		template <typename T>
 		void registerInspectFunc(parser_inspect_func_t inspect_func)
 		{
-			mParserInspectFuncs.insert(std::make_pair(&typeid(T), inspect_func));
+			mParserInspectFuncs->insert(std::make_pair(&typeid(T), inspect_func));
 		}
 
 		bool				mParseSilently;
 
 	private:
-		parser_read_func_map_t		mParserReadFuncs;
-		parser_write_func_map_t		mParserWriteFuncs;
-		parser_inspect_func_map_t	mParserInspectFuncs;
+		parser_read_func_map_t*		mParserReadFuncs;
+		parser_write_func_map_t*	mParserWriteFuncs;
+		parser_inspect_func_map_t*	mParserInspectFuncs;
 		S32	mParseGeneration;
 	};
 
@@ -394,7 +396,6 @@ namespace LLInitParam
 		typedef std::vector<std::pair<param_handle_t, ParamDescriptor::validation_func_t> > param_validation_list_t;
 
 		param_map_t						mNamedParams;			// parameters with associated names
-		param_map_t						mSynonyms;				// parameters with alternate names
 		param_list_t					mUnnamedParams;			// parameters with_out_ associated names
 		param_validation_list_t			mValidationList;		// parameters that must be validated
 		all_params_list_t				mAllParams;				// all parameters, owns descriptors
@@ -581,7 +582,7 @@ namespace LLInitParam
 			// no further names in stack, attempt to parse value now
 			if (name_stack.first == name_stack.second)
 			{
-				if (parser.readValue<T>(typed_param.mData.mValue))
+				if (parser.readValue(typed_param.mData.mValue))
 				{
 					typed_param.mData.clearKey();
 					typed_param.setProvided(true);
@@ -594,7 +595,7 @@ namespace LLInitParam
 				{
 					// try to parse a known named value
 					std::string name;
-					if (parser.readValue<std::string>(name))
+					if (parser.readValue(name))
 					{
 						// try to parse a per type named value
 						if (NAME_VALUE_LOOKUP::get(name, typed_param.mData.mValue))
@@ -629,7 +630,7 @@ namespace LLInitParam
 			{
 				if (!diff_param || !ParamCompare<std::string>::equals(static_cast<const self_t*>(diff_param)->mData.getKey(), key))
 				{
-					if (!parser.writeValue<std::string>(key, name_stack))
+					if (!parser.writeValue(key, name_stack))
 					{
 						return;
 					}
@@ -637,7 +638,7 @@ namespace LLInitParam
 			}
 			// then try to serialize value directly
 			else if (!diff_param || !ParamCompare<T>::equals(typed_param.get(), static_cast<const self_t*>(diff_param)->get()))					{
-				if (!parser.writeValue<T>(typed_param.mData.mValue, name_stack)) 
+				if (!parser.writeValue(typed_param.mData.mValue, name_stack)) 
 				{
 					return;
 				}
@@ -750,7 +751,7 @@ namespace LLInitParam
 			{
 				// try to parse a known named value
 				std::string name;
-				if (parser.readValue<std::string>(name))
+				if (parser.readValue(name))
 				{
 					// try to parse a per type named value
 					if (NAME_VALUE_LOOKUP::get(name, typed_param))
@@ -777,7 +778,7 @@ namespace LLInitParam
 			std::string key = typed_param.mData.getKey();
 			if (!key.empty() && typed_param.mData.mKeyVersion == typed_param.getLastChangeVersion())
 			{
-				if (!parser.writeValue<std::string>(key, name_stack))
+				if (!parser.writeValue(key, name_stack))
 				{
 					return;
 				}
@@ -924,7 +925,7 @@ namespace LLInitParam
 			if (name_stack.first == name_stack.second)
 			{
 				// attempt to read value directly
-				if (parser.readValue<value_t>(value))
+				if (parser.readValue(value))
 				{
 					typed_param.mValues.push_back(value);
 					// save an empty name/value key as a placeholder
@@ -939,7 +940,7 @@ namespace LLInitParam
 				{
 					// try to parse a known named value
 					std::string name;
-					if (parser.readValue<std::string>(name))
+					if (parser.readValue(name))
 					{
 						// try to parse a per type named value
 						if (NAME_VALUE_LOOKUP::get(name, typed_param.mValues))
@@ -973,13 +974,13 @@ namespace LLInitParam
 
 				if(!key.empty())
 				{
-					if(!parser.writeValue<std::string>(key, name_stack))
+					if(!parser.writeValue(key, name_stack))
 					{
 						return;
 					}
 				}
 				// not parse via name values, write out value directly
-				else if (!parser.writeValue<VALUE_TYPE>(*it, name_stack))
+				else if (!parser.writeValue(*it, name_stack))
 				{
 					return;
 				}
@@ -1126,7 +1127,7 @@ namespace LLInitParam
 			{
 				// try to parse a known named value
 				std::string name;
-				if (parser.readValue<std::string>(name))
+				if (parser.readValue(name))
 				{
 					// try to parse a per type named value
 					if (NAME_VALUE_LOOKUP::get(name, value))
@@ -1159,7 +1160,7 @@ namespace LLInitParam
 				std::string key = key_it->getKey();
 				if (!key.empty() && key_it->mKeyVersion == it->getLastChangeVersion())
 				{
-					if(!parser.writeValue<std::string>(key, name_stack))
+					if(!parser.writeValue(key, name_stack))
 					{
 						return;
 					}
@@ -1624,7 +1625,7 @@ namespace LLInitParam
 			// type to apply parse direct value T
 			if (name_stack.first == name_stack.second)
 			{
-				if(parser.readValue<T>(typed_param.mData.mValue))
+				if(parser.readValue(typed_param.mData.mValue))
 				{
 					typed_param.enclosingBlock().setLastChangedParam(param, true);
 					typed_param.setProvided(true);
@@ -1639,7 +1640,7 @@ namespace LLInitParam
 				{
 					// try to parse a known named value
 					std::string name;
-					if (parser.readValue<std::string>(name))
+					if (parser.readValue(name))
 					{
 						// try to parse a per type named value
 						if (TypeValues<T>::get(name, typed_param.mData.mValue))
@@ -1681,7 +1682,7 @@ namespace LLInitParam
 			{
 				if (!diff_param || !ParamCompare<std::string>::equals(static_cast<const self_t*>(diff_param)->mData.getKey(), key))
 				{
-					if (!parser.writeValue<std::string>(key, name_stack))
+					if (!parser.writeValue(key, name_stack))
 					{
 						return;
 					}
@@ -1691,7 +1692,7 @@ namespace LLInitParam
 			else if (!diff_param || !ParamCompare<T>::equals(typed_param.get(), (static_cast<const self_t*>(diff_param))->get()))	
             {
 				
-				if (parser.writeValue<T>(typed_param.mData.mValue, name_stack)) 
+				if (parser.writeValue(typed_param.mData.mValue, name_stack)) 
 				{
 					return;
 				}
diff --git a/indra/llxuixml/lltrans.cpp b/indra/llxuixml/lltrans.cpp
index d6f17dbb08..bf38e925c6 100644
--- a/indra/llxuixml/lltrans.cpp
+++ b/indra/llxuixml/lltrans.cpp
@@ -72,7 +72,8 @@ bool LLTrans::parseStrings(LLXMLNodePtr &root, const std::set<std::string>& defa
 	}
 
 	StringTable string_table;
-	LLXUIParser::instance().readXUI(root, string_table, xml_filename);
+	LLXUIParser parser;
+	parser.readXUI(root, string_table, xml_filename);
 
 	if (!string_table.validateBlock())
 	{
@@ -115,7 +116,8 @@ bool LLTrans::parseLanguageStrings(LLXMLNodePtr &root)
 	}
 	
 	StringTable string_table;
-	LLXUIParser::instance().readXUI(root, string_table, xml_filename);
+	LLXUIParser parser;
+	parser.readXUI(root, string_table, xml_filename);
 	
 	if (!string_table.validateBlock())
 	{
diff --git a/indra/llxuixml/llxuiparser.cpp b/indra/llxuixml/llxuiparser.cpp
index d856efb008..9bda96713e 100644
--- a/indra/llxuixml/llxuiparser.cpp
+++ b/indra/llxuixml/llxuiparser.cpp
@@ -47,10 +47,16 @@ using namespace BOOST_SPIRIT_CLASSIC_NS;
 
 const S32 MAX_STRING_ATTRIBUTE_SIZE = 40;
 
+static 	LLInitParam::Parser::parser_read_func_map_t sXSDReadFuncs;
+static 	LLInitParam::Parser::parser_write_func_map_t sXSDWriteFuncs;
+static 	LLInitParam::Parser::parser_inspect_func_map_t sXSDInspectFuncs;
+
+
 //
 // LLXSDWriter
 //
 LLXSDWriter::LLXSDWriter()
+: Parser(sXSDReadFuncs, sXSDWriteFuncs, sXSDInspectFuncs)
 {
 	registerInspectFunc<bool>(boost::bind(&LLXSDWriter::writeAttribute, this, "xs:boolean", _1, _2, _3, _4));
 	registerInspectFunc<std::string>(boost::bind(&LLXSDWriter::writeAttribute, this, "xs:string", _1, _2, _3, _4));
@@ -368,27 +374,35 @@ void LLXUIXSDWriter::writeXSD(const std::string& type_name, const std::string& p
 	fclose(xsd_file);
 }
 
+static 	LLInitParam::Parser::parser_read_func_map_t sXUIReadFuncs;
+static 	LLInitParam::Parser::parser_write_func_map_t sXUIWriteFuncs;
+static 	LLInitParam::Parser::parser_inspect_func_map_t sXUIInspectFuncs;
+
 //
 // LLXUIParser
 //
 LLXUIParser::LLXUIParser()
-:	mLastWriteGeneration(-1),
+:	Parser(sXUIReadFuncs, sXUIWriteFuncs, sXUIInspectFuncs),
+	mLastWriteGeneration(-1),
 	mCurReadDepth(0)
 {
-	registerParserFuncs<bool>(readBoolValue, boost::bind(&LLXUIParser::writeBoolValue, this, _1, _2));
-	registerParserFuncs<std::string>(readStringValue, boost::bind(&LLXUIParser::writeStringValue, this, _1, _2));
-	registerParserFuncs<U8>(readU8Value, boost::bind(&LLXUIParser::writeU8Value, this, _1, _2));
-	registerParserFuncs<S8>(readS8Value, boost::bind(&LLXUIParser::writeS8Value, this, _1, _2));
-	registerParserFuncs<U16>(readU16Value, boost::bind(&LLXUIParser::writeU16Value, this, _1, _2));
-	registerParserFuncs<S16>(readS16Value, boost::bind(&LLXUIParser::writeS16Value, this, _1, _2));
-	registerParserFuncs<U32>(readU32Value, boost::bind(&LLXUIParser::writeU32Value, this, _1, _2));
-	registerParserFuncs<S32>(readS32Value, boost::bind(&LLXUIParser::writeS32Value, this, _1, _2));
-	registerParserFuncs<F32>(readF32Value, boost::bind(&LLXUIParser::writeF32Value, this, _1, _2));
-	registerParserFuncs<F64>(readF64Value, boost::bind(&LLXUIParser::writeF64Value, this, _1, _2));
-	registerParserFuncs<LLColor4>(readColor4Value, boost::bind(&LLXUIParser::writeColor4Value, this, _1, _2));
-	registerParserFuncs<LLUIColor>(readUIColorValue, boost::bind(&LLXUIParser::writeUIColorValue, this, _1, _2));
-	registerParserFuncs<LLUUID>(readUUIDValue, boost::bind(&LLXUIParser::writeUUIDValue, this, _1, _2));
-	registerParserFuncs<LLSD>(readSDValue, boost::bind(&LLXUIParser::writeSDValue, this, _1, _2));
+	if (sXUIReadFuncs.empty())
+	{
+		registerParserFuncs<bool>(readBoolValue, writeBoolValue);
+		registerParserFuncs<std::string>(readStringValue, writeStringValue);
+		registerParserFuncs<U8>(readU8Value, writeU8Value);
+		registerParserFuncs<S8>(readS8Value, writeS8Value);
+		registerParserFuncs<U16>(readU16Value, writeU16Value);
+		registerParserFuncs<S16>(readS16Value, writeS16Value);
+		registerParserFuncs<U32>(readU32Value, writeU32Value);
+		registerParserFuncs<S32>(readS32Value, writeS32Value);
+		registerParserFuncs<F32>(readF32Value, writeF32Value);
+		registerParserFuncs<F64>(readF64Value, writeF64Value);
+		registerParserFuncs<LLColor4>(readColor4Value, writeColor4Value);
+		registerParserFuncs<LLUIColor>(readUIColorValue, writeUIColorValue);
+		registerParserFuncs<LLUUID>(readUUIDValue, writeUUIDValue);
+		registerParserFuncs<LLSD>(readSDValue, writeSDValue);
+	}
 }
 
 static LLFastTimer::DeclareTimer FTM_PARSE_XUI("XUI Parsing");
@@ -397,6 +411,7 @@ void LLXUIParser::readXUI(LLXMLNodePtr node, LLInitParam::BaseBlock& block, cons
 {
 	LLFastTimer timer(FTM_PARSE_XUI);
 	mNameStack.clear();
+	mRootNodeName = node->getName()->mString;
 	mCurFileName = filename;
 	mCurReadDepth = 0;
 	setParseSilently(silent);
@@ -407,11 +422,11 @@ void LLXUIParser::readXUI(LLXMLNodePtr node, LLInitParam::BaseBlock& block, cons
 	}
 	else
 	{
-		readXUIImpl(node, std::string(node->getName()->mString), block);
+		readXUIImpl(node, block);
 	}
 }
 
-bool LLXUIParser::readXUIImpl(LLXMLNodePtr nodep, const std::string& scope, LLInitParam::BaseBlock& block)
+bool LLXUIParser::readXUIImpl(LLXMLNodePtr nodep, LLInitParam::BaseBlock& block)
 {
 	typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
 	boost::char_separator<char> sep(".");
@@ -478,7 +493,15 @@ bool LLXUIParser::readXUIImpl(LLXMLNodePtr nodep, const std::string& scope, LLIn
 			}
 
 			// check for proper nesting
-			if(!scope.empty() && *name_token_it != scope)
+			if (mNameStack.empty())
+			{
+				if (*name_token_it != mRootNodeName)
+				{
+					childp = childp->getNextSibling();
+					continue;
+				}
+			}
+			else if(mNameStack.back().first != *name_token_it)
 			{
 				childp = childp->getNextSibling();
 				continue;
@@ -496,7 +519,7 @@ bool LLXUIParser::readXUIImpl(LLXMLNodePtr nodep, const std::string& scope, LLIn
 		}
 
 		// recurse and visit children XML nodes
-		if(readXUIImpl(childp, mNameStack.empty() ? scope : mNameStack.back().first, block))
+		if(readXUIImpl(childp, block))
 		{
 			// child node successfully parsed, remove from DOM
 
@@ -621,9 +644,10 @@ bool LLXUIParser::readBoolValue(Parser& parser, void* val_ptr)
 	return success;
 }
 
-bool LLXUIParser::writeBoolValue(const void* val_ptr, const name_stack_t& stack)
+bool LLXUIParser::writeBoolValue(Parser& parser, const void* val_ptr, const name_stack_t& stack)
 {
-	LLXMLNodePtr node = getNode(stack);
+	LLXUIParser& self = static_cast<LLXUIParser&>(parser);
+	LLXMLNodePtr node = self.getNode(stack);
 	if (node.notNull())
 	{
 		node->setBoolValue(*((bool*)val_ptr));
@@ -639,9 +663,10 @@ bool LLXUIParser::readStringValue(Parser& parser, void* val_ptr)
 	return true;
 }
 
-bool LLXUIParser::writeStringValue(const void* val_ptr, const name_stack_t& stack)
+bool LLXUIParser::writeStringValue(Parser& parser, const void* val_ptr, const name_stack_t& stack)
 {
-	LLXMLNodePtr node = getNode(stack);
+	LLXUIParser& self = static_cast<LLXUIParser&>(parser);
+	LLXMLNodePtr node = self.getNode(stack);
 	if (node.notNull())
 	{
 		const std::string* string_val = reinterpret_cast<const std::string*>(val_ptr);
@@ -676,9 +701,10 @@ bool LLXUIParser::readU8Value(Parser& parser, void* val_ptr)
 	return self.mCurReadNode->getByteValue(1, (U8*)val_ptr);
 }
 
-bool LLXUIParser::writeU8Value(const void* val_ptr, const name_stack_t& stack)
+bool LLXUIParser::writeU8Value(Parser& parser, const void* val_ptr, const name_stack_t& stack)
 {
-	LLXMLNodePtr node = getNode(stack);
+	LLXUIParser& self = static_cast<LLXUIParser&>(parser);
+	LLXMLNodePtr node = self.getNode(stack);
 	if (node.notNull())
 	{
 		node->setUnsignedValue(*((U8*)val_ptr));
@@ -699,9 +725,10 @@ bool LLXUIParser::readS8Value(Parser& parser, void* val_ptr)
 	return false;
 }
 
-bool LLXUIParser::writeS8Value(const void* val_ptr, const name_stack_t& stack)
+bool LLXUIParser::writeS8Value(Parser& parser, const void* val_ptr, const name_stack_t& stack)
 {
-	LLXMLNodePtr node = getNode(stack);
+	LLXUIParser& self = static_cast<LLXUIParser&>(parser);
+	LLXMLNodePtr node = self.getNode(stack);
 	if (node.notNull())
 	{
 		node->setIntValue(*((S8*)val_ptr));
@@ -722,9 +749,10 @@ bool LLXUIParser::readU16Value(Parser& parser, void* val_ptr)
 	return false;
 }
 
-bool LLXUIParser::writeU16Value(const void* val_ptr, const name_stack_t& stack)
+bool LLXUIParser::writeU16Value(Parser& parser, const void* val_ptr, const name_stack_t& stack)
 {
-	LLXMLNodePtr node = getNode(stack);
+	LLXUIParser& self = static_cast<LLXUIParser&>(parser);
+	LLXMLNodePtr node = self.getNode(stack);
 	if (node.notNull())
 	{
 		node->setUnsignedValue(*((U16*)val_ptr));
@@ -745,9 +773,10 @@ bool LLXUIParser::readS16Value(Parser& parser, void* val_ptr)
 	return false;
 }
 
-bool LLXUIParser::writeS16Value(const void* val_ptr, const name_stack_t& stack)
+bool LLXUIParser::writeS16Value(Parser& parser, const void* val_ptr, const name_stack_t& stack)
 {
-	LLXMLNodePtr node = getNode(stack);
+	LLXUIParser& self = static_cast<LLXUIParser&>(parser);
+	LLXMLNodePtr node = self.getNode(stack);
 	if (node.notNull())
 	{
 		node->setIntValue(*((S16*)val_ptr));
@@ -762,9 +791,10 @@ bool LLXUIParser::readU32Value(Parser& parser, void* val_ptr)
 	return self.mCurReadNode->getUnsignedValue(1, (U32*)val_ptr);
 }
 
-bool LLXUIParser::writeU32Value(const void* val_ptr, const name_stack_t& stack)
+bool LLXUIParser::writeU32Value(Parser& parser, const void* val_ptr, const name_stack_t& stack)
 {
-	LLXMLNodePtr node = getNode(stack);
+	LLXUIParser& self = static_cast<LLXUIParser&>(parser);
+	LLXMLNodePtr node = self.getNode(stack);
 	if (node.notNull())
 	{
 		node->setUnsignedValue(*((U32*)val_ptr));
@@ -779,9 +809,10 @@ bool LLXUIParser::readS32Value(Parser& parser, void* val_ptr)
 	return self.mCurReadNode->getIntValue(1, (S32*)val_ptr);
 }
 
-bool LLXUIParser::writeS32Value(const void* val_ptr, const name_stack_t& stack)
+bool LLXUIParser::writeS32Value(Parser& parser, const void* val_ptr, const name_stack_t& stack)
 {
-	LLXMLNodePtr node = getNode(stack);
+	LLXUIParser& self = static_cast<LLXUIParser&>(parser);
+	LLXMLNodePtr node = self.getNode(stack);
 	if (node.notNull())
 	{
 		node->setIntValue(*((S32*)val_ptr));
@@ -796,9 +827,10 @@ bool LLXUIParser::readF32Value(Parser& parser, void* val_ptr)
 	return self.mCurReadNode->getFloatValue(1, (F32*)val_ptr);
 }
 
-bool LLXUIParser::writeF32Value(const void* val_ptr, const name_stack_t& stack)
+bool LLXUIParser::writeF32Value(Parser& parser, const void* val_ptr, const name_stack_t& stack)
 {
-	LLXMLNodePtr node = getNode(stack);
+	LLXUIParser& self = static_cast<LLXUIParser&>(parser);
+	LLXMLNodePtr node = self.getNode(stack);
 	if (node.notNull())
 	{
 		node->setFloatValue(*((F32*)val_ptr));
@@ -813,9 +845,10 @@ bool LLXUIParser::readF64Value(Parser& parser, void* val_ptr)
 	return self.mCurReadNode->getDoubleValue(1, (F64*)val_ptr);
 }
 
-bool LLXUIParser::writeF64Value(const void* val_ptr, const name_stack_t& stack)
+bool LLXUIParser::writeF64Value(Parser& parser, const void* val_ptr, const name_stack_t& stack)
 {
-	LLXMLNodePtr node = getNode(stack);
+	LLXUIParser& self = static_cast<LLXUIParser&>(parser);
+	LLXMLNodePtr node = self.getNode(stack);
 	if (node.notNull())
 	{
 		node->setDoubleValue(*((F64*)val_ptr));
@@ -836,9 +869,10 @@ bool LLXUIParser::readColor4Value(Parser& parser, void* val_ptr)
 	return false;
 }
 
-bool LLXUIParser::writeColor4Value(const void* val_ptr, const name_stack_t& stack)
+bool LLXUIParser::writeColor4Value(Parser& parser, const void* val_ptr, const name_stack_t& stack)
 {
-	LLXMLNodePtr node = getNode(stack);
+	LLXUIParser& self = static_cast<LLXUIParser&>(parser);
+	LLXMLNodePtr node = self.getNode(stack);
 	if (node.notNull())
 	{
 		LLColor4 color = *((LLColor4*)val_ptr);
@@ -862,9 +896,10 @@ bool LLXUIParser::readUIColorValue(Parser& parser, void* val_ptr)
 	return false;
 }
 
-bool LLXUIParser::writeUIColorValue(const void* val_ptr, const name_stack_t& stack)
+bool LLXUIParser::writeUIColorValue(Parser& parser, const void* val_ptr, const name_stack_t& stack)
 {
-	LLXMLNodePtr node = getNode(stack);
+	LLXUIParser& self = static_cast<LLXUIParser&>(parser);
+	LLXMLNodePtr node = self.getNode(stack);
 	if (node.notNull())
 	{
 		LLUIColor color = *((LLUIColor*)val_ptr);
@@ -890,9 +925,10 @@ bool LLXUIParser::readUUIDValue(Parser& parser, void* val_ptr)
 	return false;
 }
 
-bool LLXUIParser::writeUUIDValue(const void* val_ptr, const name_stack_t& stack)
+bool LLXUIParser::writeUUIDValue(Parser& parser, const void* val_ptr, const name_stack_t& stack)
 {
-	LLXMLNodePtr node = getNode(stack);
+	LLXUIParser& self = static_cast<LLXUIParser&>(parser);
+	LLXMLNodePtr node = self.getNode(stack);
 	if (node.notNull())
 	{
 		node->setStringValue(((LLUUID*)val_ptr)->asString());
@@ -908,9 +944,11 @@ bool LLXUIParser::readSDValue(Parser& parser, void* val_ptr)
 	return true;
 }
 
-bool LLXUIParser::writeSDValue(const void* val_ptr, const name_stack_t& stack)
+bool LLXUIParser::writeSDValue(Parser& parser, const void* val_ptr, const name_stack_t& stack)
 {
-	LLXMLNodePtr node = getNode(stack);
+	LLXUIParser& self = static_cast<LLXUIParser&>(parser);
+
+	LLXMLNodePtr node = self.getNode(stack);
 	if (node.notNull())
 	{
 		std::string string_val = ((LLSD*)val_ptr)->asString();
@@ -1007,25 +1045,33 @@ struct ScopedFile
 
 	LLFILE* mFile;
 };
+static 	LLInitParam::Parser::parser_read_func_map_t sSimpleXUIReadFuncs;
+static 	LLInitParam::Parser::parser_write_func_map_t sSimpleXUIWriteFuncs;
+static 	LLInitParam::Parser::parser_inspect_func_map_t sSimpleXUIInspectFuncs;
 
-LLSimpleXUIParser::LLSimpleXUIParser()
-:	mLastWriteGeneration(-1),
-	mCurReadDepth(0)
+LLSimpleXUIParser::LLSimpleXUIParser(LLSimpleXUIParser::element_start_callback_t element_cb)
+:	Parser(sSimpleXUIReadFuncs, sSimpleXUIWriteFuncs, sSimpleXUIInspectFuncs),
+	mLastWriteGeneration(-1),
+	mCurReadDepth(0),
+	mElementCB(element_cb)
 {
-	registerParserFuncs<bool>(readBoolValue, NULL);
-	registerParserFuncs<std::string>(readStringValue, NULL);
-	registerParserFuncs<U8>(readU8Value, NULL);
-	registerParserFuncs<S8>(readS8Value, NULL);
-	registerParserFuncs<U16>(readU16Value, NULL);
-	registerParserFuncs<S16>(readS16Value, NULL);
-	registerParserFuncs<U32>(readU32Value, NULL);
-	registerParserFuncs<S32>(readS32Value, NULL);
-	registerParserFuncs<F32>(readF32Value, NULL);
-	registerParserFuncs<F64>(readF64Value, NULL);
-	registerParserFuncs<LLColor4>(readColor4Value, NULL);
-	registerParserFuncs<LLUIColor>(readUIColorValue, NULL);
-	registerParserFuncs<LLUUID>(readUUIDValue, NULL);
-	registerParserFuncs<LLSD>(readSDValue, NULL);
+	if (sSimpleXUIReadFuncs.empty())
+	{
+		registerParserFuncs<bool>(readBoolValue);
+		registerParserFuncs<std::string>(readStringValue);
+		registerParserFuncs<U8>(readU8Value);
+		registerParserFuncs<S8>(readS8Value);
+		registerParserFuncs<U16>(readU16Value);
+		registerParserFuncs<S16>(readS16Value);
+		registerParserFuncs<U32>(readU32Value);
+		registerParserFuncs<S32>(readS32Value);
+		registerParserFuncs<F32>(readF32Value);
+		registerParserFuncs<F64>(readF64Value);
+		registerParserFuncs<LLColor4>(readColor4Value);
+		registerParserFuncs<LLUIColor>(readUIColorValue);
+		registerParserFuncs<LLUUID>(readUUIDValue);
+		registerParserFuncs<LLSD>(readSDValue);
+	}
 }
 
 LLSimpleXUIParser::~LLSimpleXUIParser()
@@ -1042,7 +1088,7 @@ bool LLSimpleXUIParser::readXUI(const std::string& filename, LLInitParam::BaseBl
 	XML_SetElementHandler(			mParser,	startElementHandler, endElementHandler);
 	XML_SetCharacterDataHandler(	mParser,	characterDataHandler);
 
-	mBlock = &block;
+	mOutputStack.push_back(std::make_pair(&block, 0));
 	mNameStack.clear();
 	mCurFileName = filename;
 	mCurReadDepth = 0;
@@ -1108,16 +1154,25 @@ void LLSimpleXUIParser::startElement(const char *name, const char **atts)
 	typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
 	boost::char_separator<char> sep(".");
 
-	mCurReadDepth++;
+	if (mElementCB) 
+	{
+		LLInitParam::BaseBlock* blockp = mElementCB(*this, name);
+		if (blockp)
+		{
+			mOutputStack.push_back(std::make_pair(blockp, 0));
+		}
+	}
+
+	mOutputStack.back().second++;
 	S32 num_tokens_pushed = 0;
 	std::string child_name(name);
 
-	if (mCurReadDepth > 1)
-	{
-		// for non "dotted" child nodes	check to see if child node maps to another widget type
-		// and if not, treat as a child element of the current node
-		// e.g. <button><rect left="10"/></button> will interpret <rect> as "button.rect"
-		// since there is no widget named "rect"
+	if (mOutputStack.back().second == 1)
+	{	// root node for this block
+		mScope.push_back(child_name);
+	}
+	else
+	{	// compound attribute
 		if (child_name.find(".") == std::string::npos) 
 		{
 			mNameStack.push_back(std::make_pair(child_name, newParseGeneration()));
@@ -1153,10 +1208,6 @@ void LLSimpleXUIParser::startElement(const char *name, const char **atts)
 			mScope.push_back(mNameStack.back().first);
 		}
 	}
-	else
-	{
-		mScope.push_back(child_name);
-	}
 
 	mTokenSizeStack.push_back(num_tokens_pushed);
 	readAttributes(atts);
@@ -1183,8 +1234,7 @@ bool LLSimpleXUIParser::readAttributes(const char **atts)
 		}
 
 		// child nodes are not necessarily valid attributes, so don't complain once we've recursed
-		bool silent = mCurReadDepth > 1;
-		any_parsed |= mBlock->submitValue(mNameStack, *this, silent);
+		any_parsed |= mOutputStack.back().first->submitValue(mNameStack, *this, mParseSilently);
 		
 		while(num_tokens_pushed-- > 0)
 		{
@@ -1204,12 +1254,21 @@ void LLSimpleXUIParser::endElement(const char *name)
 		{
 			mNameStack.push_back(std::make_pair(std::string("value"), newParseGeneration()));
 			mCurAttributeValueBegin = mTextContents.c_str();
-			mBlock->submitValue(mNameStack, *this, false);
+			mOutputStack.back().first->submitValue(mNameStack, *this, mParseSilently);
 			mNameStack.pop_back();
 			mTextContents.clear();
 		}
 	}
-	mCurReadDepth--;
+
+	if (--mOutputStack.back().second == 0)
+	{
+		if (mOutputStack.empty())
+		{
+			LL_ERRS("ReadXUI") << "Parameter block output stack popped while empty." << LL_ENDL;
+		}
+		mOutputStack.pop_back();
+	}
+
 	S32 num_tokens_to_pop = mTokenSizeStack.back();
 	mTokenSizeStack.pop_back();
 	while(num_tokens_to_pop-- > 0)
diff --git a/indra/llxuixml/llxuiparser.h b/indra/llxuixml/llxuiparser.h
index eb7147f49e..1a4a7c49d1 100644
--- a/indra/llxuixml/llxuiparser.h
+++ b/indra/llxuixml/llxuiparser.h
@@ -102,14 +102,12 @@ public:
 
 
 
-class LLXUIParser : public LLInitParam::Parser, public LLSingleton<LLXUIParser>
+class LLXUIParser : public LLInitParam::Parser
 {
 LOG_CLASS(LLXUIParser);
 
-protected:
-	LLXUIParser();
-	friend class LLSingleton<LLXUIParser>;
 public:
+	LLXUIParser();
 	typedef LLInitParam::Parser::name_stack_t name_stack_t;
 
 	/*virtual*/ std::string getCurrentElementName();
@@ -120,7 +118,7 @@ public:
 	void writeXUI(LLXMLNodePtr node, const LLInitParam::BaseBlock& block, const LLInitParam::BaseBlock* diff_block = NULL);
 
 private:
-	bool readXUIImpl(LLXMLNodePtr node, const std::string& scope, LLInitParam::BaseBlock& block);
+	bool readXUIImpl(LLXMLNodePtr node, LLInitParam::BaseBlock& block);
 	bool readAttributes(LLXMLNodePtr nodep, LLInitParam::BaseBlock& block);
 
 	//reader helper functions
@@ -140,20 +138,20 @@ private:
 	static bool readSDValue(Parser& parser, void* val_ptr);
 
 	//writer helper functions
-	bool writeBoolValue(const void* val_ptr, const name_stack_t&);
-	bool writeStringValue(const void* val_ptr, const name_stack_t&);
-	bool writeU8Value(const void* val_ptr, const name_stack_t&);
-	bool writeS8Value(const void* val_ptr, const name_stack_t&);
-	bool writeU16Value(const void* val_ptr, const name_stack_t&);
-	bool writeS16Value(const void* val_ptr, const name_stack_t&);
-	bool writeU32Value(const void* val_ptr, const name_stack_t&);
-	bool writeS32Value(const void* val_ptr, const name_stack_t&);
-	bool writeF32Value(const void* val_ptr, const name_stack_t&);
-	bool writeF64Value(const void* val_ptr, const name_stack_t&);
-	bool writeColor4Value(const void* val_ptr, const name_stack_t&);
-	bool writeUIColorValue(const void* val_ptr, const name_stack_t&);
-	bool writeUUIDValue(const void* val_ptr, const name_stack_t&);
-	bool writeSDValue(const void* val_ptr, const name_stack_t&);
+	static bool writeBoolValue(Parser& parser, const void* val_ptr, const name_stack_t&);
+	static bool writeStringValue(Parser& parser, const void* val_ptr, const name_stack_t&);
+	static bool writeU8Value(Parser& parser, const void* val_ptr, const name_stack_t&);
+	static bool writeS8Value(Parser& parser, const void* val_ptr, const name_stack_t&);
+	static bool writeU16Value(Parser& parser, const void* val_ptr, const name_stack_t&);
+	static bool writeS16Value(Parser& parser, const void* val_ptr, const name_stack_t&);
+	static bool writeU32Value(Parser& parser, const void* val_ptr, const name_stack_t&);
+	static bool writeS32Value(Parser& parser, const void* val_ptr, const name_stack_t&);
+	static bool writeF32Value(Parser& parser, const void* val_ptr, const name_stack_t&);
+	static bool writeF64Value(Parser& parser, const void* val_ptr, const name_stack_t&);
+	static bool writeColor4Value(Parser& parser, const void* val_ptr, const name_stack_t&);
+	static bool writeUIColorValue(Parser& parser, const void* val_ptr, const name_stack_t&);
+	static bool writeUUIDValue(Parser& parser, const void* val_ptr, const name_stack_t&);
+	static bool writeSDValue(Parser& parser, const void* val_ptr, const name_stack_t&);
 
 	LLXMLNodePtr getNode(const name_stack_t& stack);
 
@@ -169,6 +167,7 @@ private:
 	LLXMLNodePtr					mLastWrittenChild;
 	S32								mCurReadDepth;
 	std::string						mCurFileName;
+	std::string						mRootNodeName;
 };
 
 // LLSimpleXUIParser is a streamlined SAX-based XUI parser that does not support localization 
@@ -182,23 +181,22 @@ private:
 // of coroutines to perform matching of xml nodes during parsing.  Not sure if the overhead
 // of coroutines would offset the gain from SAX parsing
 
-class LLSimpleXUIParser : public LLInitParam::Parser, public LLSingleton<LLSimpleXUIParser>
+class LLSimpleXUIParser : public LLInitParam::Parser
 {
 LOG_CLASS(LLSimpleXUIParser);
-
-protected:
-	LLSimpleXUIParser();
-	virtual ~LLSimpleXUIParser();
-	friend class LLSingleton<LLSimpleXUIParser>;
 public:
 	typedef LLInitParam::Parser::name_stack_t name_stack_t;
+	typedef LLInitParam::BaseBlock* (*element_start_callback_t)(LLSimpleXUIParser&, const char* block_name);
+
+	LLSimpleXUIParser(element_start_callback_t element_cb = NULL);
+	virtual ~LLSimpleXUIParser();
 
 	/*virtual*/ std::string getCurrentElementName();
 	/*virtual*/ void parserWarning(const std::string& message);
 	/*virtual*/ void parserError(const std::string& message);
 
 	bool readXUI(const std::string& filename, LLInitParam::BaseBlock& block, bool silent=false);
-	void setBlock(LLInitParam::BaseBlock* block);
+
 
 private:
 	//reader helper functions
@@ -227,7 +225,6 @@ private:
 	void characterData(const char *s, int len);
 	bool readAttributes(const char **atts);
 
-	LLInitParam::BaseBlock*			mBlock;
 	Parser::name_stack_t			mNameStack;
 	struct XML_ParserStruct*		mParser;
 	S32								mLastWriteGeneration;
@@ -238,6 +235,9 @@ private:
 	const char*						mCurAttributeValueBegin;
 	std::vector<S32>				mTokenSizeStack;
 	std::vector<std::string>		mScope;
+	element_start_callback_t		mElementCB;
+
+	std::vector<std::pair<LLInitParam::BaseBlock*, S32> > mOutputStack;
 };
 
 
diff --git a/indra/newview/llbottomtray.cpp b/indra/newview/llbottomtray.cpp
index c4eda5f107..07c711644d 100644
--- a/indra/newview/llbottomtray.cpp
+++ b/indra/newview/llbottomtray.cpp
@@ -76,7 +76,7 @@ namespace
 		llassert(stack);
 		if ( stack && panel && panel->getVisible() )
 		{
-			stack->getPanelMinSize(panel->getName(), &minimal_width, NULL);
+			stack->getPanelMinSize(panel->getName(), &minimal_width);
 		}
 		return minimal_width;
 	}
@@ -87,7 +87,7 @@ namespace
 		llassert(stack);
 		if ( stack && panel && panel->getVisible() )
 		{
-			stack->getPanelMaxSize(panel->getName(), &max_width, NULL);
+			stack->getPanelMaxSize(panel->getName(), &max_width);
 		}
 		return max_width;
 	}
@@ -108,8 +108,9 @@ class LLBottomTrayLite
 {
 public:
 	LLBottomTrayLite()
-		: mNearbyChatBar(NULL),
-		  mGesturePanel(NULL)
+	:	mNearbyChatBar(NULL),
+		mChatBarContainer(NULL),
+		mGesturePanel(NULL)
 	{
 		mFactoryMap["chat_bar"] = LLCallbackMap(LLBottomTray::createNearbyChatBar, NULL);
 		buildFromFile("panel_bottomtray_lite.xml");
@@ -120,6 +121,7 @@ public:
 	BOOL postBuild()
 	{
 		mNearbyChatBar = findChild<LLNearbyChatBar>("chat_bar");
+		mChatBarContainer = getChild<LLLayoutPanel>("chat_bar_layout_panel");
 		mGesturePanel = getChild<LLPanel>("gesture_panel");
 
 		// Hide "show_nearby_chat" button 
@@ -141,6 +143,7 @@ public:
 	}
 
 	LLNearbyChatBar*	mNearbyChatBar;
+	LLLayoutPanel*		mChatBarContainer;
 	LLPanel*			mGesturePanel;
 };
 
@@ -149,13 +152,14 @@ LLBottomTray::LLBottomTray(const LLSD&)
 	mSpeakPanel(NULL),
 	mSpeakBtn(NULL),
 	mNearbyChatBar(NULL),
-	mToolbarStack(NULL)
-,	mMovementButton(NULL)
-,	mResizeState(RS_NORESIZE)
-,	mBottomTrayContextMenu(NULL)
-,	mCamButton(NULL)
-,	mBottomTrayLite(NULL)
-,	mIsInLiteMode(false)
+	mChatBarContainer(NULL),
+	mToolbarStack(NULL),
+	mMovementButton(NULL),
+	mResizeState(RS_NORESIZE),
+	mBottomTrayContextMenu(NULL),
+	mCamButton(NULL),
+	mBottomTrayLite(NULL),
+	mIsInLiteMode(false)
 {
 	// Firstly add ourself to IMSession observers, so we catch session events
 	// before chiclets do that.
@@ -192,7 +196,7 @@ LLBottomTray::~LLBottomTray()
 	if (mNearbyChatBar)
 	{
 		// store custom width of chatbar panel.
-		S32 custom_width = mNearbyChatBar->getRect().getWidth();
+		S32 custom_width = mChatBarContainer->getRect().getWidth();
 		gSavedSettings.setS32("ChatBarCustomWidth", custom_width);
 	}
 
@@ -387,7 +391,7 @@ S32 LLBottomTray::notifyParent(const LLSD& info)
 		const std::string& name = info["view_name"];
 
 		// expected only resize of nearby chatbar
-		if (mNearbyChatBar->getName() != name) return LLPanel::notifyParent(info);
+		if (mChatBarContainer->getName() != name) return LLPanel::notifyParent(info);
 
 		const S32 new_width = info["new_width"];
 
@@ -417,8 +421,8 @@ void LLBottomTray::updateContextMenu(S32 x, S32 y, MASK mask)
 {
 	LLUICtrl* edit_box = mNearbyChatBar->getChild<LLUICtrl>("chat_box");
 
-	S32 local_x = x - mNearbyChatBar->getRect().mLeft - edit_box->getRect().mLeft;
-	S32 local_y = y - mNearbyChatBar->getRect().mBottom - edit_box->getRect().mBottom;
+	S32 local_x = x - mChatBarContainer->getRect().mLeft - edit_box->getRect().mLeft;
+	S32 local_y = y - mChatBarContainer->getRect().mBottom - edit_box->getRect().mBottom;
 
 	bool in_edit_box = edit_box->pointInView(local_x, local_y);
 
@@ -472,6 +476,7 @@ BOOL LLBottomTray::postBuild()
 	gMenuHolder->addChild(mBottomTrayContextMenu);
 
 	mNearbyChatBar = findChild<LLNearbyChatBar>("chat_bar");
+	mChatBarContainer = getChild<LLLayoutPanel>("chat_bar_layout_panel");
 
 	mToolbarStack = getChild<LLLayoutStack>("toolbar_stack");
 	mMovementButton = getChild<LLButton>("movement_btn");
@@ -677,14 +682,14 @@ void LLBottomTray::reshape(S32 width, S32 height, BOOL called_from_parent)
 	// we can not to do this from postBuild because reshape is called from parent view on startup
 	// creation after it and reset width according to resize logic.
 	static bool needs_restore_custom_state = true;
-	if (mNearbyChatBar && needs_restore_custom_state)
+	if (mChatBarContainer && needs_restore_custom_state)
 	{
 		// restore custom width of chatbar panel.
 		S32 new_width = gSavedSettings.getS32("ChatBarCustomWidth");
 		if (new_width > 0)
 		{
 			processChatbarCustomization(new_width);
-			mNearbyChatBar->reshape(new_width, mNearbyChatBar->getRect().getHeight());
+			mChatBarContainer->reshape(new_width, mChatBarContainer->getRect().getHeight());
 		}
 		needs_restore_custom_state = false;
 	}
@@ -723,7 +728,7 @@ S32 LLBottomTray::processWidthDecreased(S32 delta_width)
 			<< llendl;
 	}
 
-	const S32 chatbar_panel_width = mNearbyChatBar->getRect().getWidth();
+	const S32 chatbar_panel_width = mChatBarContainer->getRect().getWidth();
 	const S32 chatbar_panel_min_width = get_panel_min_width(mToolbarStack, mNearbyChatBar);
 	if (still_should_be_processed && chatbar_panel_width > chatbar_panel_min_width)
 	{
@@ -737,7 +742,7 @@ S32 LLBottomTray::processWidthDecreased(S32 delta_width)
 
 		still_should_be_processed = delta_width < 0;
 
-		mNearbyChatBar->reshape(mNearbyChatBar->getRect().getWidth() - delta_panel, mNearbyChatBar->getRect().getHeight());
+		mChatBarContainer->reshape(mChatBarContainer->getRect().getWidth() - delta_panel, mChatBarContainer->getRect().getHeight());
 
 		log(mNearbyChatBar, "after processing panel decreasing via nearby chatbar panel");
 
@@ -765,7 +770,7 @@ S32 LLBottomTray::processWidthDecreased(S32 delta_width)
 		if (buttons_freed_width > 0)
 		{
 			log(mNearbyChatBar, "before applying compensative width");
-			mNearbyChatBar->reshape(mNearbyChatBar->getRect().getWidth() + buttons_freed_width, mNearbyChatBar->getRect().getHeight() );
+			mChatBarContainer->reshape(mChatBarContainer->getRect().getWidth() + buttons_freed_width, mChatBarContainer->getRect().getHeight() );
 			log(mNearbyChatBar, "after applying compensative width");
 			lldebugs << buttons_freed_width << llendl;
 		}
@@ -781,9 +786,9 @@ void LLBottomTray::processWidthIncreased(S32 delta_width)
 	const S32 chiclet_panel_width = mChicletPanel->getParent()->getRect().getWidth();
 	static const S32 chiclet_panel_min_width = mChicletPanel->getMinWidth();
 
-	const S32 chatbar_panel_width = mNearbyChatBar->getRect().getWidth();
-	static const S32 chatbar_panel_min_width = get_panel_min_width(mToolbarStack, mNearbyChatBar);
-	static const S32 chatbar_panel_max_width = get_panel_max_width(mToolbarStack, mNearbyChatBar);
+	const S32 chatbar_panel_width = mChatBarContainer->getRect().getWidth();
+	static const S32 chatbar_panel_min_width = get_panel_min_width(mToolbarStack, mChatBarContainer);
+	static const S32 chatbar_panel_max_width = get_panel_max_width(mToolbarStack, mChatBarContainer);
 
 	const S32 chatbar_available_shrink_width = chatbar_panel_width - chatbar_panel_min_width;
 	const S32 available_width_chiclet = chiclet_panel_width - chiclet_panel_min_width;
@@ -821,7 +826,7 @@ void LLBottomTray::processWidthIncreased(S32 delta_width)
 		}
 
 		log(mNearbyChatBar, "increase width: before applying compensative width");
-		mNearbyChatBar->reshape(mNearbyChatBar->getRect().getWidth() - chatbar_shrink_width, mNearbyChatBar->getRect().getHeight() );
+		mChatBarContainer->reshape(mChatBarContainer->getRect().getWidth() - chatbar_shrink_width, mChatBarContainer->getRect().getHeight() );
 		if (mNearbyChatBar)			log(mNearbyChatBar, "after applying compensative width");
 		lldebugs << chatbar_shrink_width << llendl;
 
@@ -842,7 +847,7 @@ void LLBottomTray::processWidthIncreased(S32 delta_width)
 
 
 	// how many space can nearby chatbar take?
-	S32 chatbar_panel_width_ = mNearbyChatBar->getRect().getWidth();
+	S32 chatbar_panel_width_ = mChatBarContainer->getRect().getWidth();
 	if (delta_width > 0 && chatbar_panel_width_ < chatbar_panel_max_width)
 	{
 		S32 delta_panel_max = chatbar_panel_max_width - chatbar_panel_width_;
@@ -853,7 +858,7 @@ void LLBottomTray::processWidthIncreased(S32 delta_width)
 			<< llendl;
 
 		delta_width -= delta_panel_max;
-		mNearbyChatBar->reshape(chatbar_panel_width_ + delta_panel, mNearbyChatBar->getRect().getHeight());
+		mChatBarContainer->reshape(chatbar_panel_width_ + delta_panel, mChatBarContainer->getRect().getHeight());
 		log(mNearbyChatBar, "applied unprocessed delta width");
 	}
 }
@@ -975,7 +980,7 @@ void LLBottomTray::processShrinkButtons(S32& required_width, S32& buttons_freed_
 
 		S32 panel_min_width = 0;
 		std::string panel_name = mSpeakPanel->getName();
-		bool success = mToolbarStack->getPanelMinSize(panel_name, &panel_min_width, NULL);
+		bool success = mToolbarStack->getPanelMinSize(panel_name, &panel_min_width);
 		if (!success)
 		{
 			lldebugs << "Panel was not found to get its min width: " << panel_name << llendl;
@@ -1021,7 +1026,7 @@ void LLBottomTray::processShrinkButton(EResizeState processed_object_type, S32&
 		S32 panel_width = panel->getRect().getWidth();
 		S32 panel_min_width = 0;
 		std::string panel_name = panel->getName();
-		bool success = mToolbarStack->getPanelMinSize(panel_name, &panel_min_width, NULL);
+		bool success = mToolbarStack->getPanelMinSize(panel_name, &panel_min_width);
 		S32 possible_shrink_width = panel_width - panel_min_width;
 
 		if (!success)
@@ -1310,7 +1315,7 @@ bool LLBottomTray::setVisibleAndFitWidths(EResizeState object_type, bool visible
 		{
 			// Calculate the possible shrunk width as difference between current and minimal widths
 			const S32 chatbar_shrunk_width =
-				mNearbyChatBar->getRect().getWidth() - get_panel_min_width(mToolbarStack, mNearbyChatBar);
+				mChatBarContainer->getRect().getWidth() - get_panel_min_width(mToolbarStack, mChatBarContainer);
 
 			S32 sum_of_min_widths = get_panel_min_width(mToolbarStack, mSpeakPanel);
 			S32 sum_of_curr_widths = get_curr_width(mSpeakPanel);
@@ -1330,7 +1335,7 @@ bool LLBottomTray::setVisibleAndFitWidths(EResizeState object_type, bool visible
 
 			// Minimal width of current panel
 			S32 minimal_width = 0;
-			mToolbarStack->getPanelMinSize(cur_panel->getName(), &minimal_width, NULL);
+			mToolbarStack->getPanelMinSize(cur_panel->getName(), &minimal_width);
 
 			if ( (available_width + possible_shrunk_width) >= minimal_width)
 			{
@@ -1407,7 +1412,7 @@ void LLBottomTray::processChatbarCustomization(S32 new_width)
 {
 	if (NULL == mNearbyChatBar) return;
 
-	const S32 delta_width = mNearbyChatBar->getRect().getWidth() - new_width;
+	const S32 delta_width = mChatBarContainer->getRect().getWidth() - new_width;
 
 	if (delta_width == 0) return;
 
diff --git a/indra/newview/llbottomtray.h b/indra/newview/llbottomtray.h
index 05fed53936..792355600b 100644
--- a/indra/newview/llbottomtray.h
+++ b/indra/newview/llbottomtray.h
@@ -33,20 +33,17 @@
 #ifndef LL_LLBOTTOMPANEL_H
 #define LL_LLBOTTOMPANEL_H
 
-#include "llmenugl.h"
-
 #include "llpanel.h"
 #include "llimview.h"
-#include "llcombobox.h"
 
 class LLChicletPanel;
-class LLLineEditor;
 class LLLayoutStack;
-class LLNotificationChiclet;
 class LLSpeakButton;
 class LLNearbyChatBar;
 class LLIMChiclet;
 class LLBottomTrayLite;
+class LLLayoutPanel;
+class LLMenuGL;
 
 // Build time optimization, generate once in .cpp file
 #ifndef LLBOTTOMTRAY_CPP
@@ -381,6 +378,7 @@ protected:
 	LLPanel*			mSpeakPanel;
 	LLSpeakButton* 		mSpeakBtn;
 	LLNearbyChatBar*	mNearbyChatBar;
+	LLLayoutPanel*		mChatBarContainer;
 	LLLayoutStack*		mToolbarStack;
 	LLMenuGL*			mBottomTrayContextMenu;
 	LLButton*			mCamButton;
diff --git a/indra/newview/llchathistory.cpp b/indra/newview/llchathistory.cpp
index e1e425fa8c..162b12cd5e 100644
--- a/indra/newview/llchathistory.cpp
+++ b/indra/newview/llchathistory.cpp
@@ -502,12 +502,17 @@ void LLChatHistory::initFromParams(const LLChatHistory::Params& p)
 	
 	const S32 NEW_TEXT_NOTICE_HEIGHT = 20;
 	
-	LLPanel::Params panel_p;
+	LLLayoutPanel::Params panel_p;
 	panel_p.name = "spacer";
 	panel_p.background_visible = false;
 	panel_p.has_border = false;
 	panel_p.mouse_opaque = false;
-	stackp->addPanel(LLUICtrlFactory::create<LLPanel>(panel_p), 0, 30, S32_MAX, S32_MAX, true, false, LLLayoutStack::ANIMATE);
+	panel_p.min_dim = 30;
+	panel_p.max_dim = S32_MAX;
+	panel_p.auto_resize = true;
+	panel_p.user_resize = false;
+
+	stackp->addPanel(LLUICtrlFactory::create<LLLayoutPanel>(panel_p), LLLayoutStack::ANIMATE);
 
 	panel_p.name = "new_text_notice_holder";
 	LLRect new_text_notice_rect = getLocalRect();
@@ -516,7 +521,10 @@ void LLChatHistory::initFromParams(const LLChatHistory::Params& p)
 	panel_p.background_opaque = true;
 	panel_p.background_visible = true;
 	panel_p.visible = false;
-	mMoreChatPanel = LLUICtrlFactory::create<LLPanel>(panel_p);
+	panel_p.min_dim = 0;
+	panel_p.auto_resize = false;
+	panel_p.user_resize = false;
+	mMoreChatPanel = LLUICtrlFactory::create<LLLayoutPanel>(panel_p);
 	
 	LLTextBox::Params text_p(p.more_chat_text);
 	text_p.rect = mMoreChatPanel->getLocalRect();
@@ -525,7 +533,7 @@ void LLChatHistory::initFromParams(const LLChatHistory::Params& p)
 	mMoreChatText = LLUICtrlFactory::create<LLTextBox>(text_p, mMoreChatPanel);
 	mMoreChatText->setClickedCallback(boost::bind(&LLChatHistory::onClickMoreText, this));
 
-	stackp->addPanel(mMoreChatPanel, 0, 0, S32_MAX, S32_MAX, false, false, LLLayoutStack::ANIMATE);
+	stackp->addPanel(mMoreChatPanel, LLLayoutStack::ANIMATE);
 }
 
 
diff --git a/indra/newview/llchathistory.h b/indra/newview/llchathistory.h
index fa1f2e04a4..ddc456a5d2 100644
--- a/indra/newview/llchathistory.h
+++ b/indra/newview/llchathistory.h
@@ -144,7 +144,7 @@ class LLChatHistory : public LLUICtrl
 		S32 mTopHeaderPad;
 		S32 mBottomHeaderPad;
 
-		LLPanel*		mMoreChatPanel;
+		class LLLayoutPanel*	mMoreChatPanel;
 		LLTextBox*		mMoreChatText;
 		LLTextEditor*	mEditor;
 		typedef std::set<std::string> unread_chat_source_t;
diff --git a/indra/newview/llfavoritesbar.cpp b/indra/newview/llfavoritesbar.cpp
index 18a6ac031f..751d5b8fcd 100644
--- a/indra/newview/llfavoritesbar.cpp
+++ b/indra/newview/llfavoritesbar.cpp
@@ -667,9 +667,10 @@ const LLButton::Params& LLFavoritesBarCtrl::getButtonParams()
 	{
 		LLXMLNodePtr button_xml_node;
 		if(LLUICtrlFactory::getLayeredXMLNode("favorites_bar_button.xml", button_xml_node))
-	{
-			LLXUIParser::instance().readXUI(button_xml_node, button_params, "favorites_bar_button.xml");
-	}
+		{
+			LLXUIParser parser;
+			parser.readXUI(button_xml_node, button_params, "favorites_bar_button.xml");
+		}
 		params_initialized = true;
 	}
 
diff --git a/indra/newview/llfloaternotificationsconsole.cpp b/indra/newview/llfloaternotificationsconsole.cpp
index 3d37c878ad..0a4d5b64f3 100644
--- a/indra/newview/llfloaternotificationsconsole.cpp
+++ b/indra/newview/llfloaternotificationsconsole.cpp
@@ -43,10 +43,10 @@
 const S32 NOTIFICATION_PANEL_HEADER_HEIGHT = 20;
 const S32 HEADER_PADDING = 38;
 
-class LLNotificationChannelPanel : public LLPanel
+class LLNotificationChannelPanel : public LLLayoutPanel
 {
 public:
-	LLNotificationChannelPanel(const std::string& channel_name);
+	LLNotificationChannelPanel(const Params& p);
 	BOOL postBuild();
 
 private:
@@ -58,12 +58,12 @@ private:
 	LLNotificationChannelPtr mChannelRejectsPtr;
 };
 
-LLNotificationChannelPanel::LLNotificationChannelPanel(const std::string& channel_name) 
-	: LLPanel()
+LLNotificationChannelPanel::LLNotificationChannelPanel(const LLNotificationChannelPanel::Params& p) 
+:	LLLayoutPanel(p)
 {
-	mChannelPtr = LLNotifications::instance().getChannel(channel_name);
+	mChannelPtr = LLNotifications::instance().getChannel(p.name);
 	mChannelRejectsPtr = LLNotificationChannelPtr(
-		LLNotificationChannel::buildChannel(channel_name + "rejects", mChannelPtr->getParentChannelName(),
+		LLNotificationChannel::buildChannel(p.name() + "rejects", mChannelPtr->getParentChannelName(),
 											!boost::bind(mChannelPtr->getFilter(), _1)));
 	buildFromFile( "panel_notifications_channel.xml");
 }
@@ -207,8 +207,13 @@ BOOL LLFloaterNotificationConsole::postBuild()
 void LLFloaterNotificationConsole::addChannel(const std::string& name, bool open)
 {
 	LLLayoutStack& stack = getChildRef<LLLayoutStack>("notification_channels");
-	LLNotificationChannelPanel* panelp = new LLNotificationChannelPanel(name);
-	stack.addPanel(panelp, 0, NOTIFICATION_PANEL_HEADER_HEIGHT, S32_MAX, S32_MAX, TRUE, TRUE, LLLayoutStack::ANIMATE);
+	LLNotificationChannelPanel::Params p;
+	p.min_dim = NOTIFICATION_PANEL_HEADER_HEIGHT;
+	p.auto_resize = true;
+	p.user_resize = true;
+	p.name = name;
+	LLNotificationChannelPanel* panelp = new LLNotificationChannelPanel(p);
+	stack.addPanel(panelp, LLLayoutStack::ANIMATE);
 
 	LLButton& header_button = panelp->getChildRef<LLButton>("header");
 	header_button.setToggleState(!open);
diff --git a/indra/newview/llhints.cpp b/indra/newview/llhints.cpp
index 11b7ffe1af..a90131499d 100644
--- a/indra/newview/llhints.cpp
+++ b/indra/newview/llhints.cpp
@@ -297,7 +297,8 @@ void LLHints::show(LLNotificationPtr hint)
 {
 	LLHintPopup::Params p(LLUICtrlFactory::getDefaultParams<LLHintPopup>());
 
-	LLParamSDParser::instance().readSD(hint->getPayload(), p, true);
+	LLParamSDParser parser;
+	parser.readSD(hint->getPayload(), p, true);
 	p.notification = hint;
 
 	if (p.validateBlock())
diff --git a/indra/newview/llimfloater.cpp b/indra/newview/llimfloater.cpp
index 967f38bfd2..a7a348f072 100644
--- a/indra/newview/llimfloater.cpp
+++ b/indra/newview/llimfloater.cpp
@@ -257,14 +257,14 @@ BOOL LLIMFloater::postBuild()
 	}
 
 	mControlPanel->setSessionId(mSessionID);
-	mControlPanel->setVisible(gSavedSettings.getBOOL("IMShowControlPanel"));
+	mControlPanel->getParent()->setVisible(gSavedSettings.getBOOL("IMShowControlPanel"));
 
 	LLButton* slide_left = getChild<LLButton>("slide_left_btn");
-	slide_left->setVisible(mControlPanel->getVisible());
+	slide_left->setVisible(mControlPanel->getParent()->getVisible());
 	slide_left->setClickedCallback(boost::bind(&LLIMFloater::onSlide, this));
 
 	LLButton* slide_right = getChild<LLButton>("slide_right_btn");
-	slide_right->setVisible(!mControlPanel->getVisible());
+	slide_right->setVisible(!mControlPanel->getParent()->getVisible());
 	slide_right->setClickedCallback(boost::bind(&LLIMFloater::onSlide, this));
 
 	mInputEditor = getChild<LLLineEditor>("chat_editor");
@@ -363,12 +363,12 @@ void* LLIMFloater::createPanelAdHocControl(void* userdata)
 
 void LLIMFloater::onSlide()
 {
-	mControlPanel->setVisible(!mControlPanel->getVisible());
+	mControlPanel->getParent()->setVisible(!mControlPanel->getParent()->getVisible());
 
-	gSavedSettings.setBOOL("IMShowControlPanel", mControlPanel->getVisible());
+	gSavedSettings.setBOOL("IMShowControlPanel", mControlPanel->getParent()->getVisible());
 
-	getChild<LLButton>("slide_left_btn")->setVisible(mControlPanel->getVisible());
-	getChild<LLButton>("slide_right_btn")->setVisible(!mControlPanel->getVisible());
+	getChild<LLButton>("slide_left_btn")->setVisible(mControlPanel->getParent()->getVisible());
+	getChild<LLButton>("slide_right_btn")->setVisible(!mControlPanel->getParent()->getVisible());
 
 	LLLayoutStack* stack = getChild<LLLayoutStack>("im_panels");
 	if (stack) stack->setAnimate(true);
diff --git a/indra/newview/llnamelistctrl.cpp b/indra/newview/llnamelistctrl.cpp
index d09f729943..b4c4d4a2ee 100644
--- a/indra/newview/llnamelistctrl.cpp
+++ b/indra/newview/llnamelistctrl.cpp
@@ -259,7 +259,8 @@ void LLNameListCtrl::addNameItem(LLNameListCtrl::NameItem& item, EAddPosition po
 LLScrollListItem* LLNameListCtrl::addElement(const LLSD& element, EAddPosition pos, void* userdata)
 {
 	LLNameListCtrl::NameItem item_params;
-	LLParamSDParser::instance().readSD(element, item_params);
+	LLParamSDParser parser;
+	parser.readSD(element, item_params);
 	item_params.userdata = userdata;
 	return addNameItemRow(item_params, pos);
 }
diff --git a/indra/newview/llnearbychatbar.cpp b/indra/newview/llnearbychatbar.cpp
index 41a19a54a8..fa3a627736 100644
--- a/indra/newview/llnearbychatbar.cpp
+++ b/indra/newview/llnearbychatbar.cpp
@@ -398,8 +398,7 @@ LLCtrlListInterface* LLGestureComboList::getListInterface()
 }
 
 LLNearbyChatBar::LLNearbyChatBar() 
-	: LLPanel()
-	, mChatBox(NULL)
+:	mChatBox(NULL)
 {
 	mSpeakerMgr = LLLocalSpeakerMgr::getInstance();
 }
diff --git a/indra/newview/lloutfitslist.cpp b/indra/newview/lloutfitslist.cpp
index d35739d436..8a2073e661 100644
--- a/indra/newview/lloutfitslist.cpp
+++ b/indra/newview/lloutfitslist.cpp
@@ -68,9 +68,18 @@ bool LLOutfitTabNameComparator::compare(const LLAccordionCtrlTab* tab1, const LL
 	return name1 < name2;
 }
 
-const LLAccordionCtrlTab::Params& get_accordion_tab_params()
+struct outfit_accordion_tab_params : public LLInitParam::Block<outfit_accordion_tab_params, LLAccordionCtrlTab::Params>
 {
-	static LLAccordionCtrlTab::Params tab_params;
+	Mandatory<LLWearableItemsList::Params> wearable_list;
+
+	outfit_accordion_tab_params()
+	:	wearable_list("wearable_items_list")
+	{}
+};
+
+const outfit_accordion_tab_params& get_accordion_tab_params()
+{
+	static outfit_accordion_tab_params tab_params;
 	static bool initialized = false;
 	if (!initialized)
 	{
@@ -79,7 +88,8 @@ const LLAccordionCtrlTab::Params& get_accordion_tab_params()
 		LLXMLNodePtr xmlNode;
 		if (LLUICtrlFactory::getLayeredXMLNode("outfit_accordion_tab.xml", xmlNode))
 		{
-			LLXUIParser::instance().readXUI(xmlNode, tab_params, "outfit_accordion_tab.xml");
+			LLXUIParser parser;
+			parser.readXUI(xmlNode, tab_params, "outfit_accordion_tab.xml");
 		}
 		else
 		{
@@ -465,8 +475,11 @@ void LLOutfitsList::refreshList(const LLUUID& category_id)
 
 		std::string name = cat->getName();
 
-		LLAccordionCtrlTab::Params tab_params(get_accordion_tab_params());
+		outfit_accordion_tab_params tab_params(get_accordion_tab_params());
 		LLAccordionCtrlTab* tab = LLUICtrlFactory::create<LLAccordionCtrlTab>(tab_params);
+		LLWearableItemsList* wearable_list = LLUICtrlFactory::create<LLWearableItemsList>(tab_params.wearable_list);
+		wearable_list->setShape(tab->getLocalRect());
+		tab->addChild(wearable_list);
 
 		tab->setName(name);
 		tab->setTitle(name);
diff --git a/indra/newview/llviewertexturelist.cpp b/indra/newview/llviewertexturelist.cpp
index 02097ea06d..181c5b4c81 100644
--- a/indra/newview/llviewertexturelist.cpp
+++ b/indra/newview/llviewertexturelist.cpp
@@ -1550,7 +1550,8 @@ bool LLUIImageList::initFromFile()
 	}
 
 	UIImageDeclarations images;
-	LLXUIParser::instance().readXUI(root, images, base_file_path);
+	LLXUIParser parser;
+	parser.readXUI(root, images, base_file_path);
 
 	if (!images.validateBlock()) return false;
 
diff --git a/indra/newview/skins/default/xui/da/floater_im_session.xml b/indra/newview/skins/default/xui/da/floater_im_session.xml
index aa7df6ad2b..16df7e4b03 100644
--- a/indra/newview/skins/default/xui/da/floater_im_session.xml
+++ b/indra/newview/skins/default/xui/da/floater_im_session.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
 <floater name="panel_im">
 	<layout_stack name="im_panels">
-		<layout_panel label="IM kontrol panel" name="panel_im_control_panel"/>
 		<layout_panel>
 			<line_editor label="Til" name="chat_editor"/>
 		</layout_panel>
diff --git a/indra/newview/skins/default/xui/da/floater_voice_controls.xml b/indra/newview/skins/default/xui/da/floater_voice_controls.xml
index 2e59dfd649..4c956f13a7 100644
--- a/indra/newview/skins/default/xui/da/floater_voice_controls.xml
+++ b/indra/newview/skins/default/xui/da/floater_voice_controls.xml
@@ -19,10 +19,12 @@
 		<layout_panel name="my_panel">
 			<text name="user_text" value="Min avatar:"/>
 		</layout_panel>
-		<layout_stack name="voice_effect_and_leave_call_stack">
-			<layout_panel name="leave_call_btn_panel">
-				<button label="Forlad opkald" name="leave_call_btn"/>
-			</layout_panel>
-		</layout_stack>
+        <layout_panel name="leave_call_panel">
+			<layout_stack name="voice_effect_and_leave_call_stack">
+				<layout_panel name="leave_call_btn_panel">
+					<button label="Forlad opkald" name="leave_call_btn"/>
+				</layout_panel>
+			</layout_stack>
+		</layout_panel>
 	</layout_stack>
 </floater>
diff --git a/indra/newview/skins/default/xui/da/panel_notes.xml b/indra/newview/skins/default/xui/da/panel_notes.xml
index 5b3a2d0906..00128497ba 100644
--- a/indra/newview/skins/default/xui/da/panel_notes.xml
+++ b/indra/newview/skins/default/xui/da/panel_notes.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
 <panel label="Noter &amp; Privatliv" name="panel_notes">
 	<layout_stack name="layout">
-		<panel name="notes_stack">
+		<layout_panel name="notes_stack">
 			<scroll_container name="profile_scroll">
 				<panel name="profile_scroll_panel">
 					<text name="status_message" value="Min private noter:"/>
@@ -11,13 +11,13 @@
 					<check_box label="Editére, slette og tage mine objekter" name="objects_check"/>
 				</panel>
 			</scroll_container>
-		</panel>
-		<panel name="notes_buttons_panel">
+		</layout_panel>
+		<layout_panel name="notes_buttons_panel">
 			<button label="Tilføj ven" name="add_friend" tool_tip="Tilbyd venskab til beboer"/>
 			<button label="IM" name="im" tool_tip="Åben session med personlig besked (IM)"/>
 			<button label="Kald" name="call" tool_tip="Opkald til denne beboer"/>
 			<button label="Kort" name="show_on_map_btn" tool_tip="Vis beboer på kort"/>
 			<button label="Teleport" name="teleport" tool_tip="Tilbyd teleport"/>
-		</panel>
+		</layout_panel>
 	</layout_stack>
 </panel>
diff --git a/indra/newview/skins/default/xui/da/panel_prim_media_controls.xml b/indra/newview/skins/default/xui/da/panel_prim_media_controls.xml
index d3b3c7e21e..cfb32500c6 100644
--- a/indra/newview/skins/default/xui/da/panel_prim_media_controls.xml
+++ b/indra/newview/skins/default/xui/da/panel_prim_media_controls.xml
@@ -13,9 +13,9 @@
 		50
 	</string>
 	<layout_stack name="progress_indicator_area">
-		<panel name="media_progress_indicator">
+		<layout_panel name="media_progress_indicator">
 			<progress_bar name="media_progress_bar" tool_tip="Medie hentes"/>
-		</panel>
+		</layout_panel>
 	</layout_stack>
 	<layout_stack name="media_controls">
 		<layout_panel name="back">
diff --git a/indra/newview/skins/default/xui/de/floater_im_session.xml b/indra/newview/skins/default/xui/de/floater_im_session.xml
index c69bb600ea..abaf275651 100644
--- a/indra/newview/skins/default/xui/de/floater_im_session.xml
+++ b/indra/newview/skins/default/xui/de/floater_im_session.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
 <floater name="panel_im">
 	<layout_stack name="im_panels">
-		<layout_panel label="IM Steuerkonsole" name="panel_im_control_panel"/>
 		<layout_panel>
 			<line_editor label="An" name="chat_editor"/>
 		</layout_panel>
diff --git a/indra/newview/skins/default/xui/de/floater_voice_controls.xml b/indra/newview/skins/default/xui/de/floater_voice_controls.xml
index 07b7689cd0..22f2fd93ab 100644
--- a/indra/newview/skins/default/xui/de/floater_voice_controls.xml
+++ b/indra/newview/skins/default/xui/de/floater_voice_controls.xml
@@ -19,10 +19,12 @@
 		<layout_panel name="my_panel">
 			<text name="user_text" value="Mein Avatar:"/>
 		</layout_panel>
-		<layout_stack name="voice_effect_and_leave_call_stack">
-			<layout_panel name="leave_call_btn_panel">
-				<button label="Anruf beenden" name="leave_call_btn"/>
-			</layout_panel>
-		</layout_stack>
+        <layout_panel name="leave_call_panel">
+			<layout_stack name="voice_effect_and_leave_call_stack">
+				<layout_panel name="leave_call_btn_panel">
+					<button label="Anruf beenden" name="leave_call_btn"/>
+				</layout_panel>
+			</layout_stack>
+		</layout_panel>
 	</layout_stack>
 </floater>
diff --git a/indra/newview/skins/default/xui/de/panel_notifications_channel.xml b/indra/newview/skins/default/xui/de/panel_notifications_channel.xml
index e2166f7baf..35bd76ce70 100644
--- a/indra/newview/skins/default/xui/de/panel_notifications_channel.xml
+++ b/indra/newview/skins/default/xui/de/panel_notifications_channel.xml
@@ -1,15 +1,19 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
 <panel name="notifications_panel">
 	<layout_stack name="stack1">
-		<scroll_list name="notifications_list">
-			<column label="Name" name="name"/>
-			<column label="Inhalt" name="content"/>
-			<column label="Datum" name="date"/>
-		</scroll_list>
-		<scroll_list name="notification_rejects_list">
-			<column label="Name" name="name"/>
-			<column label="Inhalt" name="content"/>
-			<column label="Datum" name="date"/>
-		</scroll_list>
+	     <layout_panel name="notifications_list_panel" >
+			<scroll_list name="notifications_list">
+				<column label="Name" name="name"/>
+				<column label="Inhalt" name="content"/>
+				<column label="Datum" name="date"/>
+			</scroll_list>
+		</layout_panel>
+	     <layout_panel name="rejects_list_panel" >
+			<scroll_list name="notification_rejects_list">
+				<column label="Name" name="name"/>
+				<column label="Inhalt" name="content"/>
+				<column label="Datum" name="date"/>
+			</scroll_list>
+		</layout_panel>
 	</layout_stack>
 </panel>
diff --git a/indra/newview/skins/default/xui/de/panel_prim_media_controls.xml b/indra/newview/skins/default/xui/de/panel_prim_media_controls.xml
index 0a19483f8b..c85f2762b1 100644
--- a/indra/newview/skins/default/xui/de/panel_prim_media_controls.xml
+++ b/indra/newview/skins/default/xui/de/panel_prim_media_controls.xml
@@ -7,9 +7,9 @@
 		0.2
 	</string>
 	<layout_stack name="progress_indicator_area">
-		<panel name="media_progress_indicator">
+		<layout_panel name="media_progress_indicator">
 			<progress_bar name="media_progress_bar" tool_tip="Medien werden geladen"/>
-		</panel>
+		</layout_panel>
 	</layout_stack>
 	<layout_stack name="media_controls">
 		<layout_panel name="back">
diff --git a/indra/newview/skins/default/xui/en/favorites_bar_button.xml b/indra/newview/skins/default/xui/en/favorites_bar_button.xml
index b365040c20..e7dd62eb64 100644
--- a/indra/newview/skins/default/xui/en/favorites_bar_button.xml
+++ b/indra/newview/skins/default/xui/en/favorites_bar_button.xml
@@ -22,6 +22,6 @@
  pad_right="9"
  scale_image="true"
  tab_stop="false"
- top="0"
+ bottom="0"
  use_ellipses="true"
  width="140" />
diff --git a/indra/newview/skins/default/xui/en/floater_aaa.xml b/indra/newview/skins/default/xui/en/floater_aaa.xml
index cae6146880..930bbaa8cb 100644
--- a/indra/newview/skins/default/xui/en/floater_aaa.xml
+++ b/indra/newview/skins/default/xui/en/floater_aaa.xml
@@ -20,7 +20,7 @@
   <string name="nudge_parabuild" translate="false">Nudge 1</string>
   <string name="test_the_vlt">This string CHANGE2 is extracted.</string>
   <string name="testing_eli">Just a test. changes.</string>
-  <chat_history
+  <text_editor
    parse_urls="true"
    bg_readonly_color="ChatHistoryBgColor"
    bg_writeable_color="ChatHistoryBgColor" 
@@ -32,26 +32,51 @@
    layout="topleft"
 	 height="260"
    name="chat_history"
+   max_length="200000" 
    parse_highlights="true"
    text_color="ChatHistoryTextColor"
    text_readonly_color="ChatHistoryTextColor"
    translate="false"
+   track_end="true" 
+   wrap="true" 
    width="320">
-Really long line that is long enough to wrap once with jyg descenders.
-Really long line that is long enough to wrap once with jyg descenders.
-Really long line that is long enough to wrap once with jyg descenders.
-Really long line that is long enough to wrap once with jyg descenders.
-Really long line that is long enough to wrap once with jyg descenders.
-Really long line that is long enough to wrap once with jyg descenders.
-Really long line that is long enough to wrap once with jyg descenders.
-Really long line that is long enough to wrap once with jyg descenders.
-Really long line that is long enough to wrap once with jyg descenders.
-Really long line that is long enough to wrap once with jyg descenders.
-Really long line that is long enough to wrap once with jyg descenders.
-Really long line that is long enough to wrap once with jyg descenders.
-Really long line that is long enough to wrap once with jyg descenders.
-Really long line that is long enough to wrap once with jyg descenders.
-Really long line that is long enough to wrap once with jyg descenders.
-Really long line that is long enough to wrap once with jyg descenders.
-  </chat_history>
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    Really long line that is long enough to wrap once with jyg descenders.
+    </text_editor>
 </floater>
diff --git a/indra/newview/skins/default/xui/en/floater_im_session.xml b/indra/newview/skins/default/xui/en/floater_im_session.xml
index 6c1214f152..a371e98322 100644
--- a/indra/newview/skins/default/xui/en/floater_im_session.xml
+++ b/indra/newview/skins/default/xui/en/floater_im_session.xml
@@ -30,12 +30,19 @@
   top="20"
   left="0">
     <layout_panel
-      name="panel_im_control_panel"
-      layout="topleft"
-      follows="left"
-      min_width="115" 
+      name="im_control_panel_holder"
+      min_width="115"
+      width="150" 
+      height="320" 
       auto_resize="false"
-      user_resize="true" />
+      user_resize="false">
+      <panel
+        name="panel_im_control_panel"
+        layout="topleft"
+        height="320"
+        width="150" 
+        follows="all"/>
+      </layout_panel>
     <layout_panel
        default_tab_group="3"
        left="0"
diff --git a/indra/newview/skins/default/xui/en/floater_voice_controls.xml b/indra/newview/skins/default/xui/en/floater_voice_controls.xml
index bf5bd87ad6..a46604c834 100644
--- a/indra/newview/skins/default/xui/en/floater_voice_controls.xml
+++ b/indra/newview/skins/default/xui/en/floater_voice_controls.xml
@@ -86,6 +86,7 @@
              visible="true"
              width="20" />
         </layout_panel>
+        <layout_panel name="leave_call_panel">
         <layout_stack
          clip="true"
          auto_resize="false"
@@ -96,7 +97,7 @@
          name="voice_effect_and_leave_call_stack"
          orientation="horizontal"
          width="262">
-          <panel
+          <layout_panel
            class="panel_voice_effect"
            name="panel_voice_effect"
            visiblity_control="VoiceMorphingEnabled"
@@ -118,6 +119,7 @@
              width="100" />
           </layout_panel>
         </layout_stack>
+          </layout_panel>
       <layout_panel
           follows="all"
           layout="topleft"
diff --git a/indra/newview/skins/default/xui/en/main_view.xml b/indra/newview/skins/default/xui/en/main_view.xml
index 01ee8264e6..8d9ebf6e06 100644
--- a/indra/newview/skins/default/xui/en/main_view.xml
+++ b/indra/newview/skins/default/xui/en/main_view.xml
@@ -20,6 +20,7 @@
                   mouse_opaque="false"
                   name="nav_bar_container"
                   tab_stop="false"
+                  min_height="10" 
                   width="1024"
                   user_resize="false" 
                   visible="false">
@@ -65,25 +66,24 @@
                         mouse_opaque="false"
                         name="world_stack"
                         orientation="vertical">
-            <panel auto_resize="true"
-                   follows="all"
-                   height="500"
-                   layout="topleft"
-                   tab_stop="false"
-                   mouse_opaque="false"
-                name="hud container"
-                   width="500">
-            <panel auto_resize="false"
-                   follows="left|top"
-                   height="19"
-                   left="0"
-                   mouse_opaque="false"
-                   name="topinfo_bar_container"
-                   tab_stop="false"
-                   top="0"
-                   user_resize="false"
-                   visible="false"
-                   width="1024"/>
+            <layout_panel auto_resize="true"
+                          follows="all"
+                          height="500"
+                          layout="topleft"
+                          tab_stop="false"
+                          mouse_opaque="false"
+                          user_resize="false" 
+                          name="hud container"
+                          width="500">
+              <panel follows="left|top"
+                     height="19"
+                     left="0"
+                     mouse_opaque="false"
+                     name="topinfo_bar_container"
+                     tab_stop="false"
+                     top="0"
+                     visible="false"
+                     width="1024"/>
               <panel follows="right|top|bottom"
                      height="500"
                      mouse_opaque="false"
@@ -101,10 +101,10 @@
                      name="stand_stop_flying_container"
                      visible="false"
                      width="500"/>
-            </panel>
+            </layout_panel>
             <layout_panel auto_resize="false"
-                   follows="all"
                    min_height="33"
+                   height="33" 
                    mouse_opaque="false"
                    name="bottom_tray_container"
                    visible="false"/>
@@ -112,7 +112,7 @@
         </layout_panel>
         <!-- side tray -->
         <layout_panel auto_resize="false"
-                      follows="all"
+                      follows="top|bottom"
                       height="500"
                       min_width="333"
                       mouse_opaque="false"
diff --git a/indra/newview/skins/default/xui/en/panel_bottomtray.xml b/indra/newview/skins/default/xui/en/panel_bottomtray.xml
index 4b622691b3..b06a72f584 100644
--- a/indra/newview/skins/default/xui/en/panel_bottomtray.xml
+++ b/indra/newview/skins/default/xui/en/panel_bottomtray.xml
@@ -29,31 +29,32 @@
      orientation="horizontal"
      top="0"
      width="1310">
-        <icon
+        <layout_panel
          auto_resize="false"
-         follows="left|right"
-         height="10"
-         image_name="spacer24.tga"
-         layout="topleft"
-         left="0"
+         user_resize="false" 
          min_width="2"
-         top="0"
          width="2" />
         <layout_panel
          auto_resize="false"
-         filename="panel_nearby_chat_bar.xml"
-         follows="left|right"
-         height="28"
          layout="topleft"
-         left="0"
          max_width="320"
-         min_height="23"
          min_width="214"
+         height="28" 
          mouse_opaque="false"
-         name="chat_bar"
-         top="4"
+		 name="chat_bar_layout_panel"
          user_resize="true"
-         width="308" />
+         width="308" >
+          <panel
+            name="chat_bar"
+            filename="panel_nearby_chat_bar.xml"
+            left="0"
+            height="28"
+            width="308"
+            top="0"
+            mouse_opaque="false"
+            follows="left|right"
+          />
+        </layout_panel>
         <!--
         There is resize bar between chatbar and Speak button. It has 2px width (is is set as 2*UIResizeBarOverlap)
         -->
@@ -400,18 +401,10 @@ as for parent layout_panel (chiclet_list_panel) to resize bottom tray properly.
                  width="7" />
             </chiclet_panel>
         </layout_panel>
-        <icon
-         auto_resize="false"
-         color="0 0 0 0"
-         follows="left|right"
-         height="10"
-         image_name="spacer24.tga"
-         layout="topleft"
-         left="0"
-         min_width="4"
-         name="DUMMY"
-         top="0"
-         width="4" />
+        <layout_panel auto_resize="false"
+                      user_resize="false" 
+                      width="4"
+                      min_width="4"/>
         <layout_panel
          auto_resize="false"
          follows="right"
@@ -503,17 +496,11 @@ image_pressed_selected  "Lit" + "Selected" - there are new messages and the Well
                 </button>
             </chiclet_notification>
         </layout_panel>
-      <icon
+      <layout_panel
          auto_resize="false"
-         color="0 0 0 0"
-         follows="left|right"
-         height="10"
-         image_name="spacer24.tga"
-         layout="topleft"
-         left="0"
+         user_resize="false" 
          min_width="4"
          name="DUMMY2"
-         top="0"
          width="8" />
     </layout_stack>
 </panel>
diff --git a/indra/newview/skins/default/xui/en/panel_bottomtray_lite.xml b/indra/newview/skins/default/xui/en/panel_bottomtray_lite.xml
index 6e9476f814..efb1da4c05 100644
--- a/indra/newview/skins/default/xui/en/panel_bottomtray_lite.xml
+++ b/indra/newview/skins/default/xui/en/panel_bottomtray_lite.xml
@@ -28,30 +28,28 @@
      orientation="horizontal"
      top="0"
      width="1000">
-        <icon
+        <layout_panel
          auto_resize="false"
-         follows="left|right"
-         height="10"
-         image_name="spacer24.tga"
-         layout="topleft"
+         user_resize="false" 
          min_width="2"
-         left="0"
-         top="0"
          width="2" />
         <layout_panel
          mouse_opaque="false"
          auto_resize="true"
-         follows="left|right"
          height="28"
          layout="topleft"
-         left="0"
-         min_height="23"
          width="310"
-         top="4"
          min_width="188"
-         name="chat_bar"
-         user_resize="false"
-         filename="panel_nearby_chat_bar.xml" />
+         user_resize="false">
+          <panel
+            left="0"
+            filename="panel_nearby_chat_bar.xml"
+            follows="left|right"
+            top="4"
+            width="310"
+            name="chat_bar"
+            mouse_opaque="false"/>
+        </layout_panel>
         <layout_panel
          mouse_opaque="false"
          auto_resize="false"
@@ -79,17 +77,11 @@
                  use_ellipses="true" />
             </gesture_combo_list>
         </layout_panel>
-        <icon
+        <layout_panel
          auto_resize="false"
-         color="0 0 0 0"
-         follows="left|right"
-         height="10"
-         image_name="spacer24.tga"
-         layout="topleft"
-         left="0"
+         user_resize="false" 
          min_width="3"
          name="after_gesture_panel"
-         top="0"
          width="3"/>
     </layout_stack>
 </panel>
diff --git a/indra/newview/skins/default/xui/en/panel_im_control_panel.xml b/indra/newview/skins/default/xui/en/panel_im_control_panel.xml
index 33a5e01e4c..aa0edbfb8a 100644
--- a/indra/newview/skins/default/xui/en/panel_im_control_panel.xml
+++ b/indra/newview/skins/default/xui/en/panel_im_control_panel.xml
@@ -3,11 +3,11 @@
  border="false"
  height="300"
  name="panel_im_control_panel"
- width="119">
+ width="150">
     <avatar_icon
      follows="left|top"
      height="105"
-     left_delta="5"
+     left_delta="20"
      name="avatar_icon"
      top="-5"
      width="114"/>
@@ -22,7 +22,7 @@
      name="button_stack"
      orientation="vertical"
      top_pad="5"
-     width="114">
+     width="145">
         <layout_panel
          mouse_opaque="false"
          auto_resize="true"
@@ -31,7 +31,7 @@
          layout="topleft"
          left="2"
          min_height="0"
-         width="109"
+         width="140"
          top="0"
          name="spacer"
          user_resize="false" />
@@ -41,7 +41,7 @@
          height="20"
          layout="topleft"
          min_height="20"
-         width="109"
+         width="140"
          name="view_profile_btn_panel"
          user_resize="false">
             <button
@@ -50,7 +50,7 @@
              label="Profile"
              name="view_profile_btn"
              top="0"
-             width="109" />
+             width="140" />
         </layout_panel>
         <layout_panel
          auto_resize="false"
@@ -58,7 +58,7 @@
          height="25"
          layout="topleft"
          min_height="25"
-         width="109"
+         width="140"
          name="add_friend_btn_panel"
          user_resize="false">
             <button
@@ -67,7 +67,7 @@
              label="Add Friend"
              name="add_friend_btn"
              top="5"
-             width="109" />
+             width="140" />
         </layout_panel>
         <layout_panel
          auto_resize="false"
@@ -75,7 +75,7 @@
          height="25"
          layout="topleft"
          min_height="25"
-         width="109"
+         width="140"
          name="teleport_btn_panel"
          user_resize="false">
         <button
@@ -85,7 +85,7 @@
              label="Teleport"
              name="teleport_btn"
              tool_tip = "Offer to teleport this person"
-             width="109" />
+             width="140" />
         </layout_panel>
         <layout_panel
          auto_resize="false"
@@ -93,7 +93,7 @@
          height="25"
          layout="topleft"
          min_height="25"
-         width="109"
+         width="140"
          name="share_btn_panel"
          user_resize="false">
            <button
@@ -102,7 +102,7 @@
              height="23"
              label="Share"
              name="share_btn"
-             width="109" />
+             width="140" />
         </layout_panel>
         <layout_panel
          auto_resize="false"
@@ -110,7 +110,7 @@
          height="25"
          layout="topleft"
          min_height="25"
-         width="109"
+         width="140"
          name="pay_btn_panel"
          user_resize="false">
            <button
@@ -119,7 +119,7 @@
              height="23"
              label="Pay"
              name="pay_btn"
-             width="109" />
+             width="140" />
         </layout_panel>
         <layout_panel
          auto_resize="false"
@@ -127,7 +127,7 @@
          height="25"
          layout="topleft"
          min_height="25"
-         width="109"
+         width="140"
          name="call_btn_panel"
          user_resize="false">
             <button
@@ -135,7 +135,7 @@
              height="23"
              label="Call"
              name="call_btn"
-             width="109" />
+             width="140" />
         </layout_panel>
         <layout_panel
          auto_resize="false"
@@ -143,7 +143,7 @@
          height="25"
          layout="topleft"
          min_height="25"
-         width="109"
+         width="140"
          name="end_call_btn_panel"
          user_resize="false"
          visible="false">
@@ -152,7 +152,7 @@
              height="23"
              label="End Call"
              name="end_call_btn"
-             width="109" />
+             width="140" />
         </layout_panel>
         <layout_panel
          auto_resize="false"
@@ -160,7 +160,7 @@
          height="25"
          layout="topleft"
          min_height="25"
-         width="109"
+         width="140"
          name="voice_ctrls_btn_panel"
          user_resize="false"
          visible="false">
@@ -169,7 +169,7 @@
              height="23"
              label="Voice Controls"
              name="voice_ctrls_btn"
-             width="109" />
+             width="140" />
         </layout_panel>
     </layout_stack>
 </panel>
diff --git a/indra/newview/skins/default/xui/en/panel_notifications_channel.xml b/indra/newview/skins/default/xui/en/panel_notifications_channel.xml
index 3143b0a40c..c3dc588ba2 100644
--- a/indra/newview/skins/default/xui/en/panel_notifications_channel.xml
+++ b/indra/newview/skins/default/xui/en/panel_notifications_channel.xml
@@ -14,6 +14,9 @@
      orientation="horizontal"
      top="20"
      width="100">
+      <layout_panel name="notifications_list_panel" 
+                    width="100"
+                    user_resize="true">
         <scroll_list
          draw_heading="true"
          follows="left|right|top|bottom"
@@ -24,7 +27,6 @@
          sort_ascending="false"
          sort_column="2"
          top="0"
-         user_resize="true"
          width="100">
             <scroll_list.columns
              label="Name"
@@ -39,6 +41,10 @@
              name="date"
              width="150" />
         </scroll_list>
+      </layout_panel>
+      <layout_panel name="rejects_list_panel"
+                    width="100"
+                    user_resize="true">
         <scroll_list
          draw_heading="true"
          follows="left|right|top|bottom"
@@ -49,7 +55,6 @@
          sort_ascending="false"
          sort_column="2"
          top="0"
-         user_resize="true"
          width="100">
             <scroll_list.columns
              label="Name"
@@ -64,6 +69,7 @@
              name="date"
              width="150" />
         </scroll_list>
+      </layout_panel>
     </layout_stack>
     <button
      follows="left|right|top"
diff --git a/indra/newview/skins/default/xui/en/panel_preferences_graphics1.xml b/indra/newview/skins/default/xui/en/panel_preferences_graphics1.xml
index 113d5fb6dc..7ae717d0e3 100644
--- a/indra/newview/skins/default/xui/en/panel_preferences_graphics1.xml
+++ b/indra/newview/skins/default/xui/en/panel_preferences_graphics1.xml
@@ -291,7 +291,7 @@
       control_name="RenderReflectionDetail"
       height="23"
       layout="topleft"
-      left_="10"
+      left_delta="10"
       top_pad ="0"
       name="Reflections"
       width="150">
diff --git a/indra/newview/skins/default/xui/en/panel_prim_media_controls.xml b/indra/newview/skins/default/xui/en/panel_prim_media_controls.xml
index 6bf00373ea..b25fd695c9 100644
--- a/indra/newview/skins/default/xui/en/panel_prim_media_controls.xml
+++ b/indra/newview/skins/default/xui/en/panel_prim_media_controls.xml
@@ -33,10 +33,9 @@
 		mouse_opaque="false"
 		layout="topleft"
 		user_resize="false" />
-	<panel
+	<layout_panel
 		name="media_progress_indicator"
 		mouse_opaque="false"
-		follows="left|right|top"
 		height="8"
 		layout="topleft"
 		left="0"
@@ -55,7 +54,7 @@
 		  top="0"
 		  left="0"
 		  tool_tip="Media is Loading"/>
-	</panel>
+	</layout_panel>
 	<layout_panel
 		name="right_bookend_bottom"
 		width="0"
diff --git a/indra/newview/skins/default/xui/en/widgets/scroll_bar.xml b/indra/newview/skins/default/xui/en/widgets/scroll_bar.xml
index 48bc021e6d..830ea12e41 100644
--- a/indra/newview/skins/default/xui/en/widgets/scroll_bar.xml
+++ b/indra/newview/skins/default/xui/en/widgets/scroll_bar.xml
@@ -8,18 +8,18 @@
             thickness="15">
   <up_button image_unselected="ScrollArrow_Up"
              image_selected="ScrollArrow_Up"
-             scale_image="true" thickness="15"
+             scale_image="true"
              hover_glow_amount="0.35"/>
   <down_button image_unselected="ScrollArrow_Down"
                image_selected="ScrollArrow_Down"
-               scale_image="true" thickness="15"
+               scale_image="true"
                hover_glow_amount="0.35"/>
   <left_button image_unselected="ScrollArrow_Left"
                image_selected="ScrollArrow_Left"
-               scale_image="true" thickness="15"
+               scale_image="true"
                hover_glow_amount="0.35"/>
   <right_button image_unselected="ScrollArrow_Right"
                image_selected="ScrollArrow_Right"
-               scale_image="true" thickness="15"
+               scale_image="true"
                hover_glow_amount="0.35"/>
 </scroll_bar>
diff --git a/indra/newview/skins/default/xui/en/widgets/simple_text_editor.xml b/indra/newview/skins/default/xui/en/widgets/simple_text_editor.xml
index 3878c7a144..a120b1aec8 100644
--- a/indra/newview/skins/default/xui/en/widgets/simple_text_editor.xml
+++ b/indra/newview/skins/default/xui/en/widgets/simple_text_editor.xml
@@ -23,7 +23,4 @@
   bg_writeable_color="TextBgWriteableColor"
   bg_selected_color="EmphasisColor"
   bg_focus_color="TextBgFocusColor">
-  <simple_text_editor.border
-    bevel_style="in"
-    follows="all" />
 </simple_text_editor>
diff --git a/indra/newview/skins/default/xui/es/floater_im_session.xml b/indra/newview/skins/default/xui/es/floater_im_session.xml
index c7312e609b..3d9d17fc81 100644
--- a/indra/newview/skins/default/xui/es/floater_im_session.xml
+++ b/indra/newview/skins/default/xui/es/floater_im_session.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
 <floater name="panel_im">
 	<layout_stack name="im_panels">
-		<layout_panel label="Panel de control de MI" name="panel_im_control_panel"/>
 		<layout_panel>
 			<line_editor label="A" name="chat_editor"/>
 		</layout_panel>
diff --git a/indra/newview/skins/default/xui/es/floater_voice_controls.xml b/indra/newview/skins/default/xui/es/floater_voice_controls.xml
index 51adeb4dff..6f4782417d 100644
--- a/indra/newview/skins/default/xui/es/floater_voice_controls.xml
+++ b/indra/newview/skins/default/xui/es/floater_voice_controls.xml
@@ -19,10 +19,12 @@
 		<layout_panel name="my_panel">
 			<text name="user_text" value="Mi avatar:"/>
 		</layout_panel>
-		<layout_stack name="voice_effect_and_leave_call_stack">
-			<layout_panel name="leave_call_btn_panel">
-				<button label="Colgar" name="leave_call_btn"/>
-			</layout_panel>
-		</layout_stack>
+        <layout_panel name="leave_call_panel">
+			<layout_stack name="voice_effect_and_leave_call_stack">
+				<layout_panel name="leave_call_btn_panel">
+					<button label="Colgar" name="leave_call_btn"/>
+				</layout_panel>
+			</layout_stack>
+		</layout_panel>
 	</layout_stack>
 </floater>
diff --git a/indra/newview/skins/default/xui/es/panel_notes.xml b/indra/newview/skins/default/xui/es/panel_notes.xml
index 8de2afa767..da98e1b15e 100644
--- a/indra/newview/skins/default/xui/es/panel_notes.xml
+++ b/indra/newview/skins/default/xui/es/panel_notes.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
 <panel label="Notas y Privacidad" name="panel_notes">
 	<layout_stack name="layout">
-		<panel name="notes_stack">
+		<layout_panel name="notes_stack">
 			<scroll_container name="profile_scroll">
 				<panel name="profile_scroll_panel">
 					<text name="status_message" value="Mis notas privadas:"/>
@@ -11,13 +11,13 @@
 					<check_box label="Edite, borre o coja mis objetos" name="objects_check"/>
 				</panel>
 			</scroll_container>
-		</panel>
-		<panel name="notes_buttons_panel">
+		</layout_panel>
+		<layout_panel name="notes_buttons_panel">
 			<button label="Añadir como amigo" name="add_friend" tool_tip="Ofrecer amistad a este Residente"/>
 			<button label="MI" name="im" tool_tip="Abrir un mensaje instantáneo"/>
 			<button label="Llamar" name="call" tool_tip="Llamar a este Residente"/>
 			<button label="Mapa" name="show_on_map_btn" tool_tip="Mostrar al Residente en el mapa"/>
 			<button label="Teleportar" name="teleport" tool_tip="Ofrecer teleporte"/>
-		</panel>
+		</layout_panel>
 	</layout_stack>
 </panel>
diff --git a/indra/newview/skins/default/xui/es/panel_prim_media_controls.xml b/indra/newview/skins/default/xui/es/panel_prim_media_controls.xml
index 174922e28e..90b9e475e7 100644
--- a/indra/newview/skins/default/xui/es/panel_prim_media_controls.xml
+++ b/indra/newview/skins/default/xui/es/panel_prim_media_controls.xml
@@ -13,9 +13,9 @@
 		50
 	</string>
 	<layout_stack name="progress_indicator_area">
-		<panel name="media_progress_indicator">
+		<layout_panel name="media_progress_indicator">
 			<progress_bar name="media_progress_bar" tool_tip="Los media se están cargando"/>
-		</panel>
+		</layout_panel>
 	</layout_stack>
 	<layout_stack name="media_controls">
 		<layout_panel name="back">
diff --git a/indra/newview/skins/default/xui/fr/floater_im_session.xml b/indra/newview/skins/default/xui/fr/floater_im_session.xml
index c3df4a869c..516eb41362 100644
--- a/indra/newview/skins/default/xui/fr/floater_im_session.xml
+++ b/indra/newview/skins/default/xui/fr/floater_im_session.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
 <floater name="panel_im">
 	<layout_stack name="im_panels">
-		<layout_panel label="Panneau de contrôle IM" name="panel_im_control_panel"/>
 		<layout_panel>
 			<line_editor label="À" name="chat_editor"/>
 		</layout_panel>
diff --git a/indra/newview/skins/default/xui/fr/floater_voice_controls.xml b/indra/newview/skins/default/xui/fr/floater_voice_controls.xml
index 5c26527ed6..8397dc4263 100644
--- a/indra/newview/skins/default/xui/fr/floater_voice_controls.xml
+++ b/indra/newview/skins/default/xui/fr/floater_voice_controls.xml
@@ -19,10 +19,12 @@
 		<layout_panel name="my_panel">
 			<text name="user_text" value="Mon avatar :"/>
 		</layout_panel>
-		<layout_stack name="voice_effect_and_leave_call_stack">
-			<layout_panel name="leave_call_btn_panel">
-				<button label="Quitter l&apos;appel" name="leave_call_btn"/>
-			</layout_panel>
-		</layout_stack>
+        <layout_panel name="leave_call_panel">
+			<layout_stack name="voice_effect_and_leave_call_stack">
+				<layout_panel name="leave_call_btn_panel">
+					<button label="Quitter l&apos;appel" name="leave_call_btn"/>
+				</layout_panel>
+			</layout_stack>
+		</layout_panel>
 	</layout_stack>
 </floater>
diff --git a/indra/newview/skins/default/xui/fr/panel_notifications_channel.xml b/indra/newview/skins/default/xui/fr/panel_notifications_channel.xml
index 5beb71981c..110e017050 100644
--- a/indra/newview/skins/default/xui/fr/panel_notifications_channel.xml
+++ b/indra/newview/skins/default/xui/fr/panel_notifications_channel.xml
@@ -1,15 +1,19 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
 <panel name="notifications_panel">
 	<layout_stack name="stack1">
-		<scroll_list name="notifications_list">
-			<column label="Nom" name="name"/>
-			<column label="Contenu" name="content"/>
-			<column label="Date" name="date"/>
-		</scroll_list>
-		<scroll_list name="notification_rejects_list">
-			<column label="Nom" name="name"/>
-			<column label="Contenu" name="content"/>
-			<column label="Date" name="date"/>
-		</scroll_list>
+	     <layout_panel name="notifications_list_panel" >
+			<scroll_list name="notifications_list">
+				<column label="Nom" name="name"/>
+				<column label="Contenu" name="content"/>
+				<column label="Date" name="date"/>
+			</scroll_list>
+		</layout_panel>
+	     <layout_panel name="rejects_list_panel" >
+			<scroll_list name="notification_rejects_list">
+				<column label="Nom" name="name"/>
+				<column label="Contenu" name="content"/>
+				<column label="Date" name="date"/>
+			</scroll_list>
+		</layout_panel>
 	</layout_stack>
 </panel>
diff --git a/indra/newview/skins/default/xui/fr/panel_prim_media_controls.xml b/indra/newview/skins/default/xui/fr/panel_prim_media_controls.xml
index f6b9bdcb81..f16fcebd02 100644
--- a/indra/newview/skins/default/xui/fr/panel_prim_media_controls.xml
+++ b/indra/newview/skins/default/xui/fr/panel_prim_media_controls.xml
@@ -7,9 +7,9 @@
 		0.2
 	</string>
 	<layout_stack name="progress_indicator_area">
-		<panel name="media_progress_indicator">
+		<layout_panel name="media_progress_indicator">
 			<progress_bar name="media_progress_bar" tool_tip="Le média est en cours de chargement"/>
-		</panel>
+		</layout_panel>
 	</layout_stack>
 	<layout_stack name="media_controls">
 		<layout_panel name="back">
diff --git a/indra/newview/skins/default/xui/it/floater_im_session.xml b/indra/newview/skins/default/xui/it/floater_im_session.xml
index 8d395ea04b..3d9d17fc81 100644
--- a/indra/newview/skins/default/xui/it/floater_im_session.xml
+++ b/indra/newview/skins/default/xui/it/floater_im_session.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
 <floater name="panel_im">
 	<layout_stack name="im_panels">
-		<layout_panel label="Pannello di controllo IM" name="panel_im_control_panel"/>
 		<layout_panel>
 			<line_editor label="A" name="chat_editor"/>
 		</layout_panel>
diff --git a/indra/newview/skins/default/xui/it/floater_voice_controls.xml b/indra/newview/skins/default/xui/it/floater_voice_controls.xml
index d2fd462062..4741d8d32f 100644
--- a/indra/newview/skins/default/xui/it/floater_voice_controls.xml
+++ b/indra/newview/skins/default/xui/it/floater_voice_controls.xml
@@ -19,10 +19,12 @@
 		<layout_panel name="my_panel">
 			<text name="user_text" value="Il mio avatar:"/>
 		</layout_panel>
-		<layout_stack name="voice_effect_and_leave_call_stack">
-			<layout_panel name="leave_call_btn_panel">
-				<button label="Abbandona chiamata" name="leave_call_btn"/>
-			</layout_panel>
-		</layout_stack>
+        <layout_panel name="leave_call_panel">
+				<layout_stack name="voice_effect_and_leave_call_stack">
+				<layout_panel name="leave_call_btn_panel">
+					<button label="Abbandona chiamata" name="leave_call_btn"/>
+				</layout_panel>
+			</layout_stack>
+        </layout_panel>
 	</layout_stack>
 </floater>
diff --git a/indra/newview/skins/default/xui/it/panel_notes.xml b/indra/newview/skins/default/xui/it/panel_notes.xml
index 9ce6b47a32..945bff1603 100644
--- a/indra/newview/skins/default/xui/it/panel_notes.xml
+++ b/indra/newview/skins/default/xui/it/panel_notes.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
 <panel label="Note e Privacy" name="panel_notes">
 	<layout_stack name="layout">
-		<panel name="notes_stack">
+		<layout_panel name="notes_stack">
 			<scroll_container name="profile_scroll">
 				<panel name="profile_scroll_panel">
 					<text name="status_message" value="Le mie note private:"/>
@@ -11,13 +11,13 @@
 					<check_box label="Modificare, eliminare o prendere i miei oggetti" name="objects_check"/>
 				</panel>
 			</scroll_container>
-		</panel>
-		<panel name="notes_buttons_panel">
+		</layout_panel>
+		<layout_panel name="notes_buttons_panel">
 			<button label="Aggiungi amico" name="add_friend" tool_tip="Offri amicizia a questo residente"/>
 			<button label="IM" name="im" tool_tip="Apri una sessione messaggio istantaneo"/>
 			<button label="Chiama" name="call" tool_tip="Chiama questo residente"/>
 			<button label="Mappa" name="show_on_map_btn" tool_tip="Mostra il residente sulla mappa"/>
 			<button label="Teleport" name="teleport" tool_tip="Offri teleport"/>
-		</panel>
+		</layout_panel>
 	</layout_stack>
 </panel>
diff --git a/indra/newview/skins/default/xui/it/panel_prim_media_controls.xml b/indra/newview/skins/default/xui/it/panel_prim_media_controls.xml
index ef7aaf2e8c..4620d72977 100644
--- a/indra/newview/skins/default/xui/it/panel_prim_media_controls.xml
+++ b/indra/newview/skins/default/xui/it/panel_prim_media_controls.xml
@@ -13,9 +13,9 @@
 		50
 	</string>
 	<layout_stack name="progress_indicator_area">
-		<panel name="media_progress_indicator">
+		<layout_panel name="media_progress_indicator">
 			<progress_bar name="media_progress_bar" tool_tip="L&apos;elemento multimediale è in caricamento"/>
-		</panel>
+		</layout_panel>
 	</layout_stack>
 	<layout_stack name="media_controls">
 		<layout_panel name="back">
diff --git a/indra/newview/skins/default/xui/ja/floater_im_session.xml b/indra/newview/skins/default/xui/ja/floater_im_session.xml
index 6646cc0b25..dfa1c85ca2 100644
--- a/indra/newview/skins/default/xui/ja/floater_im_session.xml
+++ b/indra/newview/skins/default/xui/ja/floater_im_session.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
 <floater name="panel_im">
 	<layout_stack name="im_panels">
-		<layout_panel label="IM コントロールパネル" name="panel_im_control_panel"/>
 		<layout_panel>
 			<line_editor label="宛先" name="chat_editor"/>
 		</layout_panel>
diff --git a/indra/newview/skins/default/xui/ja/floater_voice_controls.xml b/indra/newview/skins/default/xui/ja/floater_voice_controls.xml
index 4b95aa544f..0caca22bc1 100644
--- a/indra/newview/skins/default/xui/ja/floater_voice_controls.xml
+++ b/indra/newview/skins/default/xui/ja/floater_voice_controls.xml
@@ -19,10 +19,12 @@
 		<layout_panel name="my_panel">
 			<text name="user_text" value="マイ アバター："/>
 		</layout_panel>
-		<layout_stack name="voice_effect_and_leave_call_stack">
-			<layout_panel name="leave_call_btn_panel">
-				<button label="コール終了" name="leave_call_btn"/>
-			</layout_panel>
-		</layout_stack>
+        <layout_panel name="leave_call_panel">
+			<layout_stack name="voice_effect_and_leave_call_stack">
+				<layout_panel name="leave_call_btn_panel">
+					<button label="コール終了" name="leave_call_btn"/>
+				</layout_panel>
+			</layout_stack>
+		</layout_panel>
 	</layout_stack>
 </floater>
diff --git a/indra/newview/skins/default/xui/ja/panel_notifications_channel.xml b/indra/newview/skins/default/xui/ja/panel_notifications_channel.xml
index 5723535fd2..aff427ed49 100644
--- a/indra/newview/skins/default/xui/ja/panel_notifications_channel.xml
+++ b/indra/newview/skins/default/xui/ja/panel_notifications_channel.xml
@@ -1,15 +1,19 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
 <panel name="notifications_panel">
 	<layout_stack name="stack1">
-		<scroll_list name="notifications_list">
-			<column label="名前" name="name"/>
-			<column label="コンテンツ" name="content"/>
-			<column label="日付" name="date"/>
-		</scroll_list>
-		<scroll_list name="notification_rejects_list">
-			<column label="名前" name="name"/>
-			<column label="コンテンツ" name="content"/>
-			<column label="日付" name="date"/>
-		</scroll_list>
+		<layout_panel name="notifications_list_panel">
+			<scroll_list name="notifications_list">
+				<column label="名前" name="name"/>
+				<column label="コンテンツ" name="content"/>
+				<column label="日付" name="date"/>
+			</scroll_list>
+		</layout_panel>
+		<layout_panel name="rejects_list_panel">
+			<scroll_list name="notification_rejects_list">
+				<column label="名前" name="name"/>
+				<column label="コンテンツ" name="content"/>
+				<column label="日付" name="date"/>
+			</scroll_list>
+		</layout_panel>
 	</layout_stack>
 </panel>
diff --git a/indra/newview/skins/default/xui/ja/panel_prim_media_controls.xml b/indra/newview/skins/default/xui/ja/panel_prim_media_controls.xml
index a9897c7ae4..5506373eb0 100644
--- a/indra/newview/skins/default/xui/ja/panel_prim_media_controls.xml
+++ b/indra/newview/skins/default/xui/ja/panel_prim_media_controls.xml
@@ -7,9 +7,9 @@
 		0.2
 	</string>
 	<layout_stack name="progress_indicator_area">
-		<panel name="media_progress_indicator">
+		<layout_panel name="media_progress_indicator">
 			<progress_bar name="media_progress_bar" tool_tip="ローディング"/>
-		</panel>
+		</layout_panel>
 	</layout_stack>
 	<layout_stack name="media_controls">
 		<layout_panel name="back">
diff --git a/indra/newview/skins/default/xui/pl/floater_im_session.xml b/indra/newview/skins/default/xui/pl/floater_im_session.xml
index db513f787c..9041ff7416 100644
--- a/indra/newview/skins/default/xui/pl/floater_im_session.xml
+++ b/indra/newview/skins/default/xui/pl/floater_im_session.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
 <floater name="panel_im">
 	<layout_stack name="im_panels">
-		<layout_panel label="Panel kontroli wiadomości prywatnej (IM)" name="panel_im_control_panel"/>
 		<layout_panel>
 			<line_editor label="Do" name="chat_editor"/>
 		</layout_panel>
diff --git a/indra/newview/skins/default/xui/pl/floater_voice_controls.xml b/indra/newview/skins/default/xui/pl/floater_voice_controls.xml
index c222e4edbb..80200cfb21 100644
--- a/indra/newview/skins/default/xui/pl/floater_voice_controls.xml
+++ b/indra/newview/skins/default/xui/pl/floater_voice_controls.xml
@@ -19,10 +19,12 @@
 		<layout_panel name="my_panel">
 			<text name="user_text" value="Mój awatar:"/>
 		</layout_panel>
-		<layout_stack name="voice_effect_and_leave_call_stack">
-			<layout_panel name="leave_call_btn_panel">
-				<button label="Zakończ rozmowę" name="leave_call_btn"/>
-			</layout_panel>
-		</layout_stack>
+        <layout_panel name="leave_call_panel">
+			<layout_stack name="voice_effect_and_leave_call_stack">
+				<layout_panel name="leave_call_btn_panel">
+					<button label="Zakończ rozmowę" name="leave_call_btn"/>
+				</layout_panel>
+			</layout_stack>
+		</layout_panel>
 	</layout_stack>
 </floater>
diff --git a/indra/newview/skins/default/xui/pl/panel_notes.xml b/indra/newview/skins/default/xui/pl/panel_notes.xml
index 35cb7e1bce..ec6008065f 100644
--- a/indra/newview/skins/default/xui/pl/panel_notes.xml
+++ b/indra/newview/skins/default/xui/pl/panel_notes.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
 <panel label="Notatki &amp; Prywatność" name="panel_notes">
 	<layout_stack name="layout">
-		<panel name="notes_stack">
+		<layout_panel name="notes_stack">
 			<scroll_container name="profile_scroll">
 				<panel name="profile_scroll_panel">
 					<text name="status_message" value="Notatki:"/>
@@ -11,13 +11,13 @@
 					<check_box label="Edytowanie, kasowanie lub zabieranie moich obiektów" name="objects_check"/>
 				</panel>
 			</scroll_container>
-		</panel>
-		<panel name="notes_buttons_panel">
+		</layout_panel>
+		<layout_panel name="notes_buttons_panel">
 			<button label="Dodaj do znajomych" name="add_friend" tool_tip="Zaoferuj znajomość Rezydentowi"/>
 			<button label="IM" name="im" tool_tip="Otwórz wiadomości IM"/>
 			<button label="Dzwoń" name="call" tool_tip="Zadzwoń do Rezydenta"/>
 			<button label="Mapa" name="show_on_map_btn" tool_tip="Pokaż Rezydenta na mapie"/>
 			<button label="Teleportuj" name="teleport" tool_tip="Teleportuj"/>
-		</panel>
+		</layout_panel>
 	</layout_stack>
 </panel>
diff --git a/indra/newview/skins/default/xui/pl/panel_prim_media_controls.xml b/indra/newview/skins/default/xui/pl/panel_prim_media_controls.xml
index f10ce5ea4d..7f66ac5d93 100644
--- a/indra/newview/skins/default/xui/pl/panel_prim_media_controls.xml
+++ b/indra/newview/skins/default/xui/pl/panel_prim_media_controls.xml
@@ -13,9 +13,9 @@
 		50
 	</string>
 	<layout_stack name="progress_indicator_area">
-		<panel name="media_progress_indicator">
+		<layout_panel name="media_progress_indicator">
 			<progress_bar name="media_progress_bar" tool_tip="Wczytywanie mediów"/>
-		</panel>
+		</layout_panel>
 	</layout_stack>
 	<layout_stack name="media_controls">
 		<layout_panel name="back">
diff --git a/indra/newview/skins/default/xui/pt/floater_im_session.xml b/indra/newview/skins/default/xui/pt/floater_im_session.xml
index 39dde3408b..5543ffa41d 100644
--- a/indra/newview/skins/default/xui/pt/floater_im_session.xml
+++ b/indra/newview/skins/default/xui/pt/floater_im_session.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
 <floater name="panel_im">
 	<layout_stack name="im_panels">
-		<layout_panel label="Painel de controle de MI" name="panel_im_control_panel"/>
 		<layout_panel>
 			<line_editor label="Para" name="chat_editor"/>
 		</layout_panel>
diff --git a/indra/newview/skins/default/xui/pt/floater_voice_controls.xml b/indra/newview/skins/default/xui/pt/floater_voice_controls.xml
index 44f08b76b5..2337ee3074 100644
--- a/indra/newview/skins/default/xui/pt/floater_voice_controls.xml
+++ b/indra/newview/skins/default/xui/pt/floater_voice_controls.xml
@@ -19,10 +19,12 @@
 		<layout_panel name="my_panel">
 			<text name="user_text" value="Meu avatar:"/>
 		</layout_panel>
-		<layout_stack name="voice_effect_and_leave_call_stack">
-			<layout_panel name="leave_call_btn_panel">
-				<button label="Desligar" name="leave_call_btn"/>
-			</layout_panel>
-		</layout_stack>
+        <layout_panel name="leave_call_panel">
+			<layout_stack name="voice_effect_and_leave_call_stack">
+				<layout_panel name="leave_call_btn_panel">
+					<button label="Desligar" name="leave_call_btn"/>
+				</layout_panel>
+			</layout_stack>
+		</layout_panel>
 	</layout_stack>
 </floater>
diff --git a/indra/newview/skins/default/xui/pt/panel_notes.xml b/indra/newview/skins/default/xui/pt/panel_notes.xml
index 9aa842d9a5..6fb614a8c4 100644
--- a/indra/newview/skins/default/xui/pt/panel_notes.xml
+++ b/indra/newview/skins/default/xui/pt/panel_notes.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
 <panel label="Anotações e Privacidade" name="panel_notes">
 	<layout_stack name="layout">
-		<panel name="notes_stack">
+		<layout_panel name="notes_stack">
 			<scroll_container name="profile_scroll">
 				<panel name="profile_scroll_panel">
 					<text name="status_message" value="Minhas anotações privadas:"/>
@@ -11,13 +11,13 @@
 					<check_box label="Pegar, editar ou excluir objetos meus" name="objects_check"/>
 				</panel>
 			</scroll_container>
-		</panel>
-		<panel name="notes_buttons_panel">
+		</layout_panel>
+		<layout_panel name="notes_buttons_panel">
 			<button label="Adicionar amigo" name="add_friend" tool_tip="Oferecer amizade ao residente"/>
 			<button label="MI" name="im" tool_tip="Abrir sessão de mensagem instantânea"/>
 			<button label="Ligar" name="call" tool_tip="Ligar para este residente"/>
 			<button label="Mapa" name="show_on_map_btn" tool_tip="Exibir o residente no mapa"/>
 			<button label="Teletransportar" name="teleport" tool_tip="Oferecer teletransporte"/>
-		</panel>
+		</layout_panel>
 	</layout_stack>
 </panel>
diff --git a/indra/newview/skins/default/xui/pt/panel_prim_media_controls.xml b/indra/newview/skins/default/xui/pt/panel_prim_media_controls.xml
index a1254b4da0..9e07b6772f 100644
--- a/indra/newview/skins/default/xui/pt/panel_prim_media_controls.xml
+++ b/indra/newview/skins/default/xui/pt/panel_prim_media_controls.xml
@@ -13,9 +13,9 @@
 		50
 	</string>
 	<layout_stack name="progress_indicator_area">
-		<panel name="media_progress_indicator">
+		<layout_panel name="media_progress_indicator">
 			<progress_bar name="media_progress_bar" tool_tip="Carregando mídia"/>
-		</panel>
+		</layout_panel>
 	</layout_stack>
 	<layout_stack name="media_controls">
 		<layout_panel name="back">