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diff --git a/indra/llui/llmultifloater.cpp b/indra/llui/llmultifloater.cpp
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+/** 
+ * @file llmultifloater.cpp
+ * @brief LLFloater that hosts other floaters
+ *
+ * $LicenseInfo:firstyear=2002&license=viewergpl$
+ * 
+ * Copyright (c) 2002-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+// Floating "windows" within the GL display, like the inventory floater,
+// mini-map floater, etc.
+
+#include "linden_common.h"
+
+#include "llmultifloater.h"
+#include "llresizehandle.h"
+
+//
+// LLMultiFloater
+//
+
+LLMultiFloater::LLMultiFloater(const LLSD& key, const LLFloater::Params& params)
+	: LLFloater(key),
+	  mTabContainer(NULL),
+	  mTabPos(LLTabContainer::TOP),
+	  mAutoResize(TRUE),
+	  mOrigMinWidth(0),
+	  mOrigMinHeight(0)
+{
+}
+
+void LLMultiFloater::buildTabContainer()
+{
+	static LLUICachedControl<S32> floater_header_size ("UIFloaterHeaderSize", 0);
+	
+	LLTabContainer::Params p;
+	p.name(std::string("Preview Tabs"));
+	p.rect(LLRect(LLPANEL_BORDER_WIDTH, getRect().getHeight() - floater_header_size, getRect().getWidth() - LLPANEL_BORDER_WIDTH, 0));
+	p.tab_position(mTabPos);
+	p.follows.flags(FOLLOWS_ALL);
+	p.commit_callback.function(boost::bind(&LLMultiFloater::onTabSelected, this));
+
+	mTabContainer = LLUICtrlFactory::create<LLTabContainer>(p);
+	addChild(mTabContainer);
+	
+	if (isResizable())
+	{
+		mTabContainer->setRightTabBtnOffset(RESIZE_HANDLE_WIDTH);
+	}
+}
+
+void LLMultiFloater::onOpen(const LLSD& key)
+{
+// 	if (mTabContainer->getTabCount() <= 0)
+// 	{
+// 		// for now, don't allow multifloaters
+// 		// without any child floaters
+// 		closeFloater();
+// 	}
+}
+
+void LLMultiFloater::draw()
+{
+	if (mTabContainer->getTabCount() == 0)
+	{
+		//RN: could this potentially crash in draw hierarchy?
+		closeFloater();
+	}
+	else
+	{
+		for (S32 i = 0; i < mTabContainer->getTabCount(); i++)
+		{
+			LLFloater* floaterp = (LLFloater*)mTabContainer->getPanelByIndex(i);
+			if (floaterp->getShortTitle() != mTabContainer->getPanelTitle(i))
+			{
+				mTabContainer->setPanelTitle(i, floaterp->getShortTitle());
+			}
+		}
+		LLFloater::draw();
+	}
+}
+
+BOOL LLMultiFloater::closeAllFloaters()
+{
+	S32	tabToClose = 0;
+	S32	lastTabCount = mTabContainer->getTabCount();
+	while (tabToClose < mTabContainer->getTabCount())
+	{
+		LLFloater* first_floater = (LLFloater*)mTabContainer->getPanelByIndex(tabToClose);
+		first_floater->closeFloater();
+		if(lastTabCount == mTabContainer->getTabCount())
+		{
+			//Tab did not actually close, possibly due to a pending Save Confirmation dialog..
+			//so try and close the next one in the list...
+			tabToClose++;
+		}
+		else
+		{
+			//Tab closed ok.
+			lastTabCount = mTabContainer->getTabCount();
+		}
+	}
+	if( mTabContainer->getTabCount() != 0 )
+		return FALSE; // Couldn't close all the tabs (pending save dialog?) so return FALSE.
+	return TRUE; //else all tabs were successfully closed...
+}
+
+void LLMultiFloater::growToFit(S32 content_width, S32 content_height)
+{
+	static LLUICachedControl<S32> tabcntr_close_btn_size ("UITabCntrCloseBtnSize", 0);
+	static LLUICachedControl<S32> floater_header_size ("UIFloaterHeaderSize", 0);
+	S32 tabcntr_header_height = LLPANEL_BORDER_WIDTH + tabcntr_close_btn_size;
+	S32 new_width = llmax(getRect().getWidth(), content_width + LLPANEL_BORDER_WIDTH * 2);
+	S32 new_height = llmax(getRect().getHeight(), content_height + floater_header_size + tabcntr_header_height);
+
+    if (isMinimized())
+    {
+        LLRect newrect;
+        newrect.setLeftTopAndSize(getExpandedRect().mLeft, getExpandedRect().mTop, new_width, new_height);
+        setExpandedRect(newrect);
+    }
+	else
+	{
+		S32 old_height = getRect().getHeight();
+		reshape(new_width, new_height);
+		// keep top left corner in same position
+		translate(0, old_height - new_height);
+	}
+}
+
+/**
+  void addFloater(LLFloater* floaterp, BOOL select_added_floater)
+
+  Adds the LLFloater pointed to by floaterp to this.
+  If floaterp is already hosted by this, then it is re-added to get
+  new titles, etc.
+  If select_added_floater is true, the LLFloater pointed to by floaterp will
+  become the selected tab in this
+
+  Affects: mTabContainer, floaterp
+**/
+void LLMultiFloater::addFloater(LLFloater* floaterp, BOOL select_added_floater, LLTabContainer::eInsertionPoint insertion_point)
+{
+	if (!floaterp)
+	{
+		return;
+	}
+
+	if (!mTabContainer)
+	{
+		llerrs << "Tab Container used without having been initialized." << llendl;
+		return;
+	}
+
+	if (floaterp->getHost() == this)
+	{
+		// already hosted by me, remove
+		// do this so we get updated title, etc.
+		mFloaterDataMap.erase(floaterp->getHandle());
+		mTabContainer->removeTabPanel(floaterp);
+	}
+	else if (floaterp->getHost())
+	{
+		// floaterp is hosted by somebody else and
+		// this is adding it, so remove it from it's old host
+		floaterp->getHost()->removeFloater(floaterp);
+	}
+	else if (floaterp->getParent() == gFloaterView)
+	{
+		// rehost preview floater as child panel
+		gFloaterView->removeChild(floaterp);
+	}
+
+	// store original configuration
+	LLFloaterData floater_data;
+	floater_data.mWidth = floaterp->getRect().getWidth();
+	floater_data.mHeight = floaterp->getRect().getHeight();
+	floater_data.mCanMinimize = floaterp->isMinimizeable();
+	floater_data.mCanResize = floaterp->isResizable();
+
+	// remove minimize and close buttons
+	floaterp->setCanMinimize(FALSE);
+	floaterp->setCanResize(FALSE);
+	floaterp->setCanDrag(FALSE);
+	floaterp->storeRectControl();
+	// avoid double rendering of floater background (makes it more opaque)
+	floaterp->setBackgroundVisible(FALSE);
+
+	if (mAutoResize)
+	{
+		growToFit(floater_data.mWidth, floater_data.mHeight);
+	}
+
+	//add the panel, add it to proper maps
+	mTabContainer->addTabPanel(
+		LLTabContainer::TabPanelParams()
+			.panel(floaterp)
+			.label(floaterp->getShortTitle())
+			.insert_at(insertion_point));
+	mFloaterDataMap[floaterp->getHandle()] = floater_data;
+
+	updateResizeLimits();
+
+	if ( select_added_floater )
+	{
+		mTabContainer->selectTabPanel(floaterp);
+	}
+	else
+	{
+		// reassert visible tab (hiding new floater if necessary)
+		mTabContainer->selectTab(mTabContainer->getCurrentPanelIndex());
+	}
+
+	floaterp->setHost(this);
+	if (isMinimized())
+	{
+		floaterp->setVisible(FALSE);
+	}
+	
+	// Tabs sometimes overlap resize handle
+	moveResizeHandlesToFront();
+}
+
+/**
+	BOOL selectFloater(LLFloater* floaterp)
+
+	If the LLFloater pointed to by floaterp is hosted by this,
+	then its tab is selected and returns true.  Otherwise returns false.
+
+	Affects: mTabContainer
+**/
+BOOL LLMultiFloater::selectFloater(LLFloater* floaterp)
+{
+	return mTabContainer->selectTabPanel(floaterp);
+}
+
+// virtual
+void LLMultiFloater::selectNextFloater()
+{
+	mTabContainer->selectNextTab();
+}
+
+// virtual
+void LLMultiFloater::selectPrevFloater()
+{
+	mTabContainer->selectPrevTab();
+}
+
+void LLMultiFloater::showFloater(LLFloater* floaterp, LLTabContainer::eInsertionPoint insertion_point)
+{
+	if(!floaterp) return;
+	// we won't select a panel that already is selected
+	// it is hard to do this internally to tab container
+	// as tab selection is handled via index and the tab at a given
+	// index might have changed
+	if (floaterp != mTabContainer->getCurrentPanel() &&
+		!mTabContainer->selectTabPanel(floaterp))
+	{
+		addFloater(floaterp, TRUE, insertion_point);
+	}
+}
+
+void LLMultiFloater::removeFloater(LLFloater* floaterp)
+{
+	if (!floaterp || floaterp->getHost() != this )
+		return;
+
+	floater_data_map_t::iterator found_data_it = mFloaterDataMap.find(floaterp->getHandle());
+	if (found_data_it != mFloaterDataMap.end())
+	{
+		LLFloaterData& floater_data = found_data_it->second;
+		floaterp->setCanMinimize(floater_data.mCanMinimize);
+		if (!floater_data.mCanResize)
+		{
+			// restore original size
+			floaterp->reshape(floater_data.mWidth, floater_data.mHeight);
+		}
+		floaterp->setCanResize(floater_data.mCanResize);
+		mFloaterDataMap.erase(found_data_it);
+	}
+	mTabContainer->removeTabPanel(floaterp);
+	floaterp->setBackgroundVisible(TRUE);
+	floaterp->setCanDrag(TRUE);
+	floaterp->setHost(NULL);
+	floaterp->applyRectControl();
+
+	updateResizeLimits();
+
+	tabOpen((LLFloater*)mTabContainer->getCurrentPanel(), false);
+}
+
+void LLMultiFloater::tabOpen(LLFloater* opened_floater, bool from_click)
+{
+	// default implementation does nothing
+}
+
+void LLMultiFloater::tabClose()
+{
+	if (mTabContainer->getTabCount() == 0)
+	{
+		// no more children, close myself
+		closeFloater();
+	}
+}
+
+void LLMultiFloater::setVisible(BOOL visible)
+{
+	// *FIX: shouldn't have to do this, fix adding to minimized multifloater
+	LLFloater::setVisible(visible);
+	
+	if (mTabContainer)
+	{
+		LLPanel* cur_floaterp = mTabContainer->getCurrentPanel();
+
+		if (cur_floaterp)
+		{
+			cur_floaterp->setVisible(visible);
+		}
+
+		// if no tab selected, and we're being shown,
+		// select last tab to be added
+		if (visible && !cur_floaterp)
+		{
+			mTabContainer->selectLastTab();
+		}
+	}
+}
+
+BOOL LLMultiFloater::handleKeyHere(KEY key, MASK mask)
+{
+	if (key == 'W' && mask == MASK_CONTROL)
+	{
+		LLFloater* floater = getActiveFloater();
+		// is user closeable and is system closeable
+		if (floater && floater->canClose() && floater->isCloseable())
+		{
+			floater->closeFloater();
+		}
+		return TRUE;
+	}
+
+	return LLFloater::handleKeyHere(key, mask);
+}
+
+bool LLMultiFloater::addChild(LLView* child, S32 tab_group)
+{
+	LLTabContainer* tab_container = dynamic_cast<LLTabContainer*>(child);
+	if (tab_container)
+	{
+		// store pointer to tab container
+		setTabContainer(tab_container);
+	}
+
+	// then go ahead and add child as usual
+	return LLFloater::addChild(child, tab_group);
+}
+
+LLFloater* LLMultiFloater::getActiveFloater()
+{
+	return (LLFloater*)mTabContainer->getCurrentPanel();
+}
+
+S32	LLMultiFloater::getFloaterCount()
+{
+	return mTabContainer->getTabCount();
+}
+
+/**
+	BOOL isFloaterFlashing(LLFloater* floaterp)
+
+	Returns true if the LLFloater pointed to by floaterp
+	is currently in a flashing state and is hosted by this.
+	False otherwise.
+
+	Requires: floaterp != NULL
+**/
+BOOL LLMultiFloater::isFloaterFlashing(LLFloater* floaterp)
+{
+	if ( floaterp && floaterp->getHost() == this )
+		return mTabContainer->getTabPanelFlashing(floaterp);
+
+	return FALSE;
+}
+
+/**
+	BOOL setFloaterFlashing(LLFloater* floaterp, BOOL flashing)
+
+	Sets the current flashing state of the LLFloater pointed
+	to by floaterp to be the BOOL flashing if the LLFloater pointed
+	to by floaterp is hosted by this.
+
+	Requires: floaterp != NULL
+**/
+void LLMultiFloater::setFloaterFlashing(LLFloater* floaterp, BOOL flashing)
+{
+	if ( floaterp && floaterp->getHost() == this )
+		mTabContainer->setTabPanelFlashing(floaterp, flashing);
+}
+
+void LLMultiFloater::onTabSelected()
+{
+	LLFloater* floaterp = dynamic_cast<LLFloater*>(mTabContainer->getCurrentPanel());
+	if (floaterp)
+	{
+		tabOpen(floaterp, true);
+	}
+}
+
+void LLMultiFloater::setCanResize(BOOL can_resize)
+{
+	LLFloater::setCanResize(can_resize);
+	if (isResizable() && mTabContainer->getTabPosition() == LLTabContainer::BOTTOM)
+	{
+		mTabContainer->setRightTabBtnOffset(RESIZE_HANDLE_WIDTH);
+	}
+	else
+	{
+		mTabContainer->setRightTabBtnOffset(0);
+	}
+}
+
+BOOL LLMultiFloater::postBuild()
+{
+	mCloseSignal.connect(boost::bind(&LLMultiFloater::closeAllFloaters, this));
+		
+	// remember any original xml minimum size
+	getResizeLimits(&mOrigMinWidth, &mOrigMinHeight);
+
+	if (mTabContainer)
+	{
+		return TRUE;
+	}
+
+	mTabContainer = getChild<LLTabContainer>("Preview Tabs");
+	return TRUE;
+}
+
+void LLMultiFloater::updateResizeLimits()
+{
+	static LLUICachedControl<S32> tabcntr_close_btn_size ("UITabCntrCloseBtnSize", 0);
+	static LLUICachedControl<S32> floater_header_size ("UIFloaterHeaderSize", 0);
+	S32 tabcntr_header_height = LLPANEL_BORDER_WIDTH + tabcntr_close_btn_size;
+	// initialize minimum size constraint to the original xml values.
+	S32 new_min_width = mOrigMinWidth;
+	S32 new_min_height = mOrigMinHeight;
+	// possibly increase minimum size constraint due to children's minimums.
+	for (S32 tab_idx = 0; tab_idx < mTabContainer->getTabCount(); ++tab_idx)
+	{
+		LLFloater* floaterp = (LLFloater*)mTabContainer->getPanelByIndex(tab_idx);
+		if (floaterp)
+		{
+			new_min_width = llmax(new_min_width, floaterp->getMinWidth() + LLPANEL_BORDER_WIDTH * 2);
+			new_min_height = llmax(new_min_height, floaterp->getMinHeight() + floater_header_size + tabcntr_header_height);
+		}
+	}
+	setResizeLimits(new_min_width, new_min_height);
+
+	S32 cur_height = getRect().getHeight();
+	S32 new_width = llmax(getRect().getWidth(), new_min_width);
+	S32 new_height = llmax(getRect().getHeight(), new_min_height);
+
+	if (isMinimized())
+	{
+		const LLRect& expanded = getExpandedRect();
+		LLRect newrect;
+		newrect.setLeftTopAndSize(expanded.mLeft, expanded.mTop, llmax(expanded.getWidth(), new_width), llmax(expanded.getHeight(), new_height));
+		setExpandedRect(newrect);
+	}
+	else
+	{
+		reshape(new_width, new_height);
+
+		// make sure upper left corner doesn't move
+		translate(0, cur_height - getRect().getHeight());
+
+		// make sure this window is visible on screen when it has been modified
+		// (tab added, etc)
+		gFloaterView->adjustToFitScreen(this, TRUE);
+	}
+}