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Posted to commits@predictionio.apache.org by gi...@apache.org on 2017/05/25 17:14:20 UTC

[41/51] [abbrv] [partial] incubator-predictionio-site git commit: Documentation based on apache/incubator-predictionio#88c3b05d83d63915e36e07ee1556aea6ab3d022b

http://git-wip-us.apache.org/repos/asf/incubator-predictionio-site/blob/16993ed0/api/current/lib/jquery.layout.js
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+/**
+ * @preserve jquery.layout 1.3.0 - Release Candidate 30.62
+ * $Date: 2012-08-04 08:00:00 (Thu, 23 Aug 2012) $
+ * $Rev: 303006 $
+ *
+ * Copyright (c) 2012 
+ *   Fabrizio Balliano (http://www.fabrizioballiano.net)
+ *   Kevin Dalman (http://allpro.net)
+ *
+ * Dual licensed under the GPL (http://www.gnu.org/licenses/gpl.html)
+ * and MIT (http://www.opensource.org/licenses/mit-license.php) licenses.
+ *
+ * Changelog: http://layout.jquery-dev.net/changelog.cfm#1.3.0.rc30.62
+ * NOTE: This is a short-term release to patch a couple of bugs.
+ * These bugs are listed as officially fixed in RC30.7, which will be released shortly.
+ *
+ * Docs: http://layout.jquery-dev.net/documentation.html
+ * Tips: http://layout.jquery-dev.net/tips.html
+ * Help: http://groups.google.com/group/jquery-ui-layout
+ */
+
+/* JavaDoc Info: http://code.google.com/closure/compiler/docs/js-for-compiler.html
+ * {!Object}	non-nullable type (never NULL)
+ * {?string}	nullable type (sometimes NULL) - default for {Object}
+ * {number=}	optional parameter
+ * {*}			ALL types
+ */
+
+// NOTE: For best readability, view with a fixed-width font and tabs equal to 4-chars
+
+;(function ($) {
+
+// alias Math methods - used a lot!
+var	min		= Math.min
+,	max		= Math.max
+,	round	= Math.floor
+
+,	isStr	=  function (v) { return $.type(v) === "string"; }
+
+,	runPluginCallbacks = function (Instance, a_fn) {
+		if ($.isArray(a_fn))
+			for (var i=0, c=a_fn.length; i<c; i++) {
+				var fn = a_fn[i];
+				try {
+					if (isStr(fn)) // 'name' of a function
+						fn = eval(fn);
+					if ($.isFunction(fn))
+						fn( Instance );
+				} catch (ex) {}
+			}
+	}
+
+;
+
+
+/*
+ *	GENERIC $.layout METHODS - used by all layouts
+ */
+$.layout = {
+
+	version:	"1.3.rc30.62"
+,	revision:	0.033006 // 1.3.0 final = 1.0300 - major(n+).minor(nn)+patch(nn+)
+
+	// can update code here if $.browser is phased out
+,	browser: {
+		mozilla:	!!$.browser.mozilla
+	,	webkit:		!!$.browser.webkit || !!$.browser.safari // webkit = jQ 1.4
+	,	msie:		!!$.browser.msie
+	,	isIE6:		$.browser.msie && $.browser.version == 6
+	,	boxModel:	$.support.boxModel !== false || !$.browser.msie // ONLY IE reverts to old box-model - update for older jQ onReady
+	,	version:	$.browser.version // not used in Layout core, but may be used by plugins
+	}
+
+	// *PREDEFINED* EFFECTS & DEFAULTS 
+	// MUST list effect here - OR MUST set an fxSettings option (can be an empty hash: {})
+,	effects: {
+
+	//	Pane Open/Close Animations
+		slide: {
+			all:	{ duration:  "fast"	} // eg: duration: 1000, easing: "easeOutBounce"
+		,	north:	{ direction: "up"	}
+		,	south:	{ direction: "down"	}
+		,	east:	{ direction: "right"}
+		,	west:	{ direction: "left"	}
+		}
+	,	drop: {
+			all:	{ duration:  "slow"	}
+		,	north:	{ direction: "up"	}
+		,	south:	{ direction: "down"	}
+		,	east:	{ direction: "right"}
+		,	west:	{ direction: "left"	}
+		}
+	,	scale: {
+			all:	{ duration:	"fast"	}
+		}
+	//	these are not recommended, but can be used
+	,	blind:		{}
+	,	clip:		{}
+	,	explode:	{}
+	,	fade:		{}
+	,	fold:		{}
+	,	puff:		{}
+
+	//	Pane Resize Animations
+	,	size: {
+			all:	{ easing:	"swing"	}
+		}
+	}
+
+	// INTERNAL CONFIG DATA - DO NOT CHANGE THIS!
+,	config: {
+		optionRootKeys:	"effects,panes,north,south,west,east,center".split(",")
+	,	allPanes:		"north,south,west,east,center".split(",")
+	,	borderPanes:	"north,south,west,east".split(",")
+	,	oppositeEdge: {
+			north:	"south"
+		,	south:	"north"
+		,	east: 	"west"
+		,	west: 	"east"
+		}
+	//	offscreen data
+	,	offscreenCSS:	{ left: "-99999px", right: "auto" } // used by hide/close if useOffscreenClose=true
+	,	offscreenReset:	"offscreenReset" // key used for data
+	//	CSS used in multiple places
+	,	hidden:		{ visibility: "hidden" }
+	,	visible:	{ visibility: "visible" }
+	//	layout element settings
+	,	resizers: {
+			cssReq: {
+				position: 	"absolute"
+			,	padding: 	0
+			,	margin: 	0
+			,	fontSize:	"1px"
+			,	textAlign:	"left"	// to counter-act "center" alignment!
+			,	overflow: 	"hidden" // prevent toggler-button from overflowing
+			//	SEE $.layout.defaults.zIndexes.resizer_normal
+			}
+		,	cssDemo: { // DEMO CSS - applied if: options.PANE.applyDemoStyles=true
+				background: "#DDD"
+			,	border:		"none"
+			}
+		}
+	,	togglers: {
+			cssReq: {
+				position: 	"absolute"
+			,	display: 	"block"
+			,	padding: 	0
+			,	margin: 	0
+			,	overflow:	"hidden"
+			,	textAlign:	"center"
+			,	fontSize:	"1px"
+			,	cursor: 	"pointer"
+			,	zIndex: 	1
+			}
+		,	cssDemo: { // DEMO CSS - applied if: options.PANE.applyDemoStyles=true
+				background: "#AAA"
+			}
+		}
+	,	content: {
+			cssReq: {
+				position:	"relative" /* contain floated or positioned elements */
+			}
+		,	cssDemo: { // DEMO CSS - applied if: options.PANE.applyDemoStyles=true
+				overflow:	"auto"
+			,	padding:	"10px"
+			}
+		,	cssDemoPane: { // DEMO CSS - REMOVE scrolling from 'pane' when it has a content-div
+				overflow:	"hidden"
+			,	padding:	0
+			}
+		}
+	,	panes: { // defaults for ALL panes - overridden by 'per-pane settings' below
+			cssReq: {
+				position: 	"absolute"
+			,	margin:		0
+			//	$.layout.defaults.zIndexes.pane_normal
+			}
+		,	cssDemo: { // DEMO CSS - applied if: options.PANE.applyDemoStyles=true
+				padding:	"10px"
+			,	background:	"#FFF"
+			,	border:		"1px solid #BBB"
+			,	overflow:	"auto"
+			}
+		}
+	,	north: {
+			side:			"Top"
+		,	sizeType:		"Height"
+		,	dir:			"horz"
+		,	cssReq: {
+				top: 		0
+			,	bottom: 	"auto"
+			,	left: 		0
+			,	right: 		0
+			,	width: 		"auto"
+			//	height: 	DYNAMIC
+			}
+		}
+	,	south: {
+			side:			"Bottom"
+		,	sizeType:		"Height"
+		,	dir:			"horz"
+		,	cssReq: {
+				top: 		"auto"
+			,	bottom: 	0
+			,	left: 		0
+			,	right: 		0
+			,	width: 		"auto"
+			//	height: 	DYNAMIC
+			}
+		}
+	,	east: {
+			side:			"Right"
+		,	sizeType:		"Width"
+		,	dir:			"vert"
+		,	cssReq: {
+				left: 		"auto"
+			,	right: 		0
+			,	top: 		"auto" // DYNAMIC
+			,	bottom: 	"auto" // DYNAMIC
+			,	height: 	"auto"
+			//	width: 		DYNAMIC
+			}
+		}
+	,	west: {
+			side:			"Left"
+		,	sizeType:		"Width"
+		,	dir:			"vert"
+		,	cssReq: {
+				left: 		0
+			,	right: 		"auto"
+			,	top: 		"auto" // DYNAMIC
+			,	bottom: 	"auto" // DYNAMIC
+			,	height: 	"auto"
+			//	width: 		DYNAMIC
+			}
+		}
+	,	center: {
+			dir:			"center"
+		,	cssReq: {
+				left: 		"auto" // DYNAMIC
+			,	right: 		"auto" // DYNAMIC
+			,	top: 		"auto" // DYNAMIC
+			,	bottom: 	"auto" // DYNAMIC
+			,	height: 	"auto"
+			,	width: 		"auto"
+			}
+		}
+	}
+
+	// CALLBACK FUNCTION NAMESPACE - used to store reusable callback functions
+,	callbacks: {}
+
+,	getParentPaneElem: function (el) {
+		// must pass either a container or pane element
+		var $el = $(el)
+		,	layout = $el.data("layout") || $el.data("parentLayout");
+		if (layout) {
+			var $cont = layout.container;
+			// see if this container is directly-nested inside an outer-pane
+			if ($cont.data("layoutPane")) return $cont;
+			var $pane = $cont.closest("."+ $.layout.defaults.panes.paneClass);
+			// if a pane was found, return it
+			if ($pane.data("layoutPane")) return $pane;
+		}
+		return null;
+	}
+
+,	getParentPaneInstance: function (el) {
+		// must pass either a container or pane element
+		var $pane = $.layout.getParentPaneElem(el);
+		return $pane ? $pane.data("layoutPane") : null;
+	}
+
+,	getParentLayoutInstance: function (el) {
+		// must pass either a container or pane element
+		var $pane = $.layout.getParentPaneElem(el);
+		return $pane ? $pane.data("parentLayout") : null;
+	}
+
+,	getEventObject: function (evt) {
+		return typeof evt === "object" && evt.stopPropagation ? evt : null;
+	}
+,	parsePaneName: function (evt_or_pane) {
+		// getEventObject() automatically calls .stopPropagation(), WHICH MUST BE DONE!
+		var evt = $.layout.getEventObject( evt_or_pane );
+		if (evt) {
+			// ALWAYS stop propagation of events triggered in Layout!
+			evt.stopPropagation();
+			return $(this).data("layoutEdge");
+		}
+		else
+			return evt_or_pane;
+	}
+
+
+	// LAYOUT-PLUGIN REGISTRATION
+	// more plugins can added beyond this default list
+,	plugins: {
+		draggable:		!!$.fn.draggable // resizing
+	,	effects: {
+			core:		!!$.effects		// animimations (specific effects tested by initOptions)
+		,	slide:		$.effects && $.effects.slide // default effect
+		}
+	}
+
+//	arrays of plugin or other methods to be triggered for events in *each layout* - will be passed 'Instance'
+,	onCreate:	[]	// runs when layout is just starting to be created - right after options are set
+,	onLoad:		[]	// runs after layout container and global events init, but before initPanes is called
+,	onReady:	[]	// runs after initialization *completes* - ie, after initPanes completes successfully
+,	onDestroy:	[]	// runs after layout is destroyed
+,	onUnload:	[]	// runs after layout is destroyed OR when page unloads
+,	afterOpen:	[]	// runs after setAsOpen() completes
+,	afterClose:	[]	// runs after setAsClosed() completes
+
+	/*
+	*	GENERIC UTILITY METHODS
+	*/
+
+	// calculate and return the scrollbar width, as an integer
+,	scrollbarWidth:		function () { return window.scrollbarWidth  || $.layout.getScrollbarSize('width'); }
+,	scrollbarHeight:	function () { return window.scrollbarHeight || $.layout.getScrollbarSize('height'); }
+,	getScrollbarSize:	function (dim) {
+		var $c	= $('<div style="position: absolute; top: -10000px; left: -10000px; width: 100px; height: 100px; overflow: scroll;"></div>').appendTo("body");
+		var d	= { width: $c.width() - $c[0].clientWidth, height: $c.height() - $c[0].clientHeight };
+		$c.remove();
+		window.scrollbarWidth	= d.width;
+		window.scrollbarHeight	= d.height;
+		return dim.match(/^(width|height)$/) ? d[dim] : d;
+	}
+
+
+	/**
+	* Returns hash container 'display' and 'visibility'
+	*
+	* @see	$.swap() - swaps CSS, runs callback, resets CSS
+	*/
+,	showInvisibly: function ($E, force) {
+		if ($E && $E.length && (force || $E.css('display') === "none")) { // only if not *already hidden*
+			var s = $E[0].style
+				// save ONLY the 'style' props because that is what we must restore
+			,	CSS = { display: s.display || '', visibility: s.visibility || '' };
+			// show element 'invisibly' so can be measured
+			$E.css({ display: "block", visibility: "hidden" });
+			return CSS;
+		}
+		return {};
+	}
+
+	/**
+	* Returns data for setting size of an element (container or a pane).
+	*
+	* @see  _create(), onWindowResize() for container, plus others for pane
+	* @return JSON  Returns a hash of all dimensions: top, bottom, left, right, outerWidth, innerHeight, etc
+	*/
+,	getElementDimensions: function ($E) {
+		var
+			d	= {}			// dimensions hash
+		,	x	= d.css = {}	// CSS hash
+		,	i	= {}			// TEMP insets
+		,	b, p				// TEMP border, padding
+		,	N	= $.layout.cssNum
+		,	off = $E.offset()
+		;
+		d.offsetLeft = off.left;
+		d.offsetTop  = off.top;
+
+		$.each("Left,Right,Top,Bottom".split(","), function (idx, e) { // e = edge
+			b = x["border" + e] = $.layout.borderWidth($E, e);
+			p = x["padding"+ e] = $.layout.cssNum($E, "padding"+e);
+			i[e] = b + p; // total offset of content from outer side
+			d["inset"+ e] = p;	// eg: insetLeft = paddingLeft
+		});
+
+		d.offsetWidth	= $E.innerWidth();	// offsetWidth is used in calc when doing manual resize
+		d.offsetHeight	= $E.innerHeight();	// ditto
+		d.outerWidth	= $E.outerWidth();
+		d.outerHeight	= $E.outerHeight();
+		d.innerWidth	= max(0, d.outerWidth  - i.Left - i.Right);
+		d.innerHeight	= max(0, d.outerHeight - i.Top  - i.Bottom);
+
+		x.width		= $E.width();
+		x.height	= $E.height();
+		x.top		= N($E,"top",true);
+		x.bottom	= N($E,"bottom",true);
+		x.left		= N($E,"left",true);
+		x.right		= N($E,"right",true);
+
+		//d.visible	= $E.is(":visible");// && x.width > 0 && x.height > 0;
+
+		return d;
+	}
+
+,	getElementCSS: function ($E, list) {
+		var
+			CSS	= {}
+		,	style	= $E[0].style
+		,	props	= list.split(",")
+		,	sides	= "Top,Bottom,Left,Right".split(",")
+		,	attrs	= "Color,Style,Width".split(",")
+		,	p, s, a, i, j, k
+		;
+		for (i=0; i < props.length; i++) {
+			p = props[i];
+			if (p.match(/(border|padding|margin)$/))
+				for (j=0; j < 4; j++) {
+					s = sides[j];
+					if (p === "border")
+						for (k=0; k < 3; k++) {
+							a = attrs[k];
+							CSS[p+s+a] = style[p+s+a];
+						}
+					else
+						CSS[p+s] = style[p+s];
+				}
+			else
+				CSS[p] = style[p];
+		};
+		return CSS
+	}
+
+	/**
+	* Return the innerWidth for the current browser/doctype
+	*
+	* @see  initPanes(), sizeMidPanes(), initHandles(), sizeHandles()
+	* @param  {Array.<Object>}	$E  Must pass a jQuery object - first element is processed
+	* @param  {number=}			outerWidth (optional) Can pass a width, allowing calculations BEFORE element is resized
+	* @return {number}			Returns the innerWidth of the elem by subtracting padding and borders
+	*/
+,	cssWidth: function ($E, outerWidth) {
+		// a 'calculated' outerHeight can be passed so borders and/or padding are removed if needed
+		if (outerWidth <= 0) return 0;
+
+		if (!$.layout.browser.boxModel) return outerWidth;
+
+		// strip border and padding from outerWidth to get CSS Width
+		var b = $.layout.borderWidth
+		,	n = $.layout.cssNum
+		,	W = outerWidth
+				- b($E, "Left")
+				- b($E, "Right")
+				- n($E, "paddingLeft")		
+				- n($E, "paddingRight");
+
+		return max(0,W);
+	}
+
+	/**
+	* Return the innerHeight for the current browser/doctype
+	*
+	* @see  initPanes(), sizeMidPanes(), initHandles(), sizeHandles()
+	* @param  {Array.<Object>}	$E  Must pass a jQuery object - first element is processed
+	* @param  {number=}			outerHeight  (optional) Can pass a width, allowing calculations BEFORE element is resized
+	* @return {number}			Returns the innerHeight of the elem by subtracting padding and borders
+	*/
+,	cssHeight: function ($E, outerHeight) {
+		// a 'calculated' outerHeight can be passed so borders and/or padding are removed if needed
+		if (outerHeight <= 0) return 0;
+
+		if (!$.layout.browser.boxModel) return outerHeight;
+
+		// strip border and padding from outerHeight to get CSS Height
+		var b = $.layout.borderWidth
+		,	n = $.layout.cssNum
+		,	H = outerHeight
+			- b($E, "Top")
+			- b($E, "Bottom")
+			- n($E, "paddingTop")
+			- n($E, "paddingBottom");
+
+		return max(0,H);
+	}
+
+	/**
+	* Returns the 'current CSS numeric value' for a CSS property - 0 if property does not exist
+	*
+	* @see  Called by many methods
+	* @param {Array.<Object>}	$E					Must pass a jQuery object - first element is processed
+	* @param {string}			prop				The name of the CSS property, eg: top, width, etc.
+	* @param {boolean=}			[allowAuto=false]	true = return 'auto' if that is value; false = return 0
+	* @return {(string|number)}						Usually used to get an integer value for position (top, left) or size (height, width)
+	*/
+,	cssNum: function ($E, prop, allowAuto) {
+		if (!$E.jquery) $E = $($E);
+		var CSS = $.layout.showInvisibly($E)
+		,	p	= $.css($E[0], prop, true)
+		,	v	= allowAuto && p=="auto" ? p : (parseInt(p, 10) || 0);
+		$E.css( CSS ); // RESET
+		return v;
+	}
+
+,	borderWidth: function (el, side) {
+		if (el.jquery) el = el[0];
+		var b = "border"+ side.substr(0,1).toUpperCase() + side.substr(1); // left => Left
+		return $.css(el, b+"Style", true) === "none" ? 0 : (parseInt($.css(el, b+"Width", true), 10) || 0);
+	}
+
+	/**
+	* Mouse-tracking utility - FUTURE REFERENCE
+	*
+	* init: if (!window.mouse) {
+	*			window.mouse = { x: 0, y: 0 };
+	*			$(document).mousemove( $.layout.trackMouse );
+	*		}
+	*
+	* @param {Object}		evt
+	*
+,	trackMouse: function (evt) {
+		window.mouse = { x: evt.clientX, y: evt.clientY };
+	}
+	*/
+
+	/**
+	* SUBROUTINE for preventPrematureSlideClose option
+	*
+	* @param {Object}		evt
+	* @param {Object=}		el
+	*/
+,	isMouseOverElem: function (evt, el) {
+		var
+			$E	= $(el || this)
+		,	d	= $E.offset()
+		,	T	= d.top
+		,	L	= d.left
+		,	R	= L + $E.outerWidth()
+		,	B	= T + $E.outerHeight()
+		,	x	= evt.pageX	// evt.clientX ?
+		,	y	= evt.pageY	// evt.clientY ?
+		;
+		// if X & Y are < 0, probably means is over an open SELECT
+		return ($.layout.browser.msie && x < 0 && y < 0) || ((x >= L && x <= R) && (y >= T && y <= B));
+	}
+
+	/**
+	* Message/Logging Utility
+	*
+	* @example $.layout.msg("My message");				// log text
+	* @example $.layout.msg("My message", true);		// alert text
+	* @example $.layout.msg({ foo: "bar" }, "Title");	// log hash-data, with custom title
+	* @example $.layout.msg({ foo: "bar" }, true, "Title", { sort: false }); -OR-
+	* @example $.layout.msg({ foo: "bar" }, "Title", { sort: false, display: true }); // alert hash-data
+	*
+	* @param {(Object|string)}			info			String message OR Hash/Array
+	* @param {(Boolean|string|Object)=}	[popup=false]	True means alert-box - can be skipped
+	* @param {(Object|string)=}			[debugTitle=""]	Title for Hash data - can be skipped
+	* @param {Object=}					[debugOpts]		Extra options for debug output
+	*/
+,	msg: function (info, popup, debugTitle, debugOpts) {
+		if ($.isPlainObject(info) && window.debugData) {
+			if (typeof popup === "string") {
+				debugOpts	= debugTitle;
+				debugTitle	= popup;
+			}
+			else if (typeof debugTitle === "object") {
+				debugOpts	= debugTitle;
+				debugTitle	= null;
+			}
+			var t = debugTitle || "log( <object> )"
+			,	o = $.extend({ sort: false, returnHTML: false, display: false }, debugOpts);
+			if (popup === true || o.display)
+				debugData( info, t, o );
+			else if (window.console)
+				console.log(debugData( info, t, o ));
+		}
+		else if (popup)
+			alert(info);
+		else if (window.console)
+			console.log(info);
+		else {
+			var id	= "#layoutLogger"
+			,	$l = $(id);
+			if (!$l.length)
+				$l = createLog();
+			$l.children("ul").append('<li style="padding: 4px 10px; margin: 0; border-top: 1px solid #CCC;">'+ info.replace(/\</g,"&lt;").replace(/\>/g,"&gt;") +'</li>');
+		}
+
+		function createLog () {
+			var pos = $.support.fixedPosition ? 'fixed' : 'absolute'
+			,	$e = $('<div id="layoutLogger" style="position: '+ pos +'; top: 5px; z-index: 999999; max-width: 25%; overflow: hidden; border: 1px solid #000; border-radius: 5px; background: #FBFBFB; box-shadow: 0 2px 10px rgba(0,0,0,0.3);">'
+				+	'<div style="font-size: 13px; font-weight: bold; padding: 5px 10px; background: #F6F6F6; border-radius: 5px 5px 0 0; cursor: move;">'
+				+	'<span style="float: right; padding-left: 7px; cursor: pointer;" title="Remove Console" onclick="$(this).closest(\'#layoutLogger\').remove()">X</span>Layout console.log</div>'
+				+	'<ul style="font-size: 13px; font-weight: none; list-style: none; margin: 0; padding: 0 0 2px;"></ul>'
+				+ '</div>'
+				).appendTo("body");
+			$e.css('left', $(window).width() - $e.outerWidth() - 5)
+			if ($.ui.draggable) $e.draggable({ handle: ':first-child' });
+			return $e;
+		};
+	}
+
+};
+
+// DEFAULT OPTIONS
+$.layout.defaults = {
+/*
+ *	LAYOUT & LAYOUT-CONTAINER OPTIONS
+ *	- none of these options are applicable to individual panes
+ */
+	name:						""			// Not required, but useful for buttons and used for the state-cookie
+,	containerSelector:			""			// ONLY used when specifying a childOptions - to find container-element that is NOT directly-nested
+,	containerClass:				"ui-layout-container" // layout-container element
+,	scrollToBookmarkOnLoad:		true		// after creating a layout, scroll to bookmark in URL (.../page.htm#myBookmark)
+,	resizeWithWindow:			true		// bind thisLayout.resizeAll() to the window.resize event
+,	resizeWithWindowDelay:		200			// delay calling resizeAll because makes window resizing very jerky
+,	resizeWithWindowMaxDelay:	0			// 0 = none - force resize every XX ms while window is being resized
+,	onresizeall_start:			null		// CALLBACK when resizeAll() STARTS	- NOT pane-specific
+,	onresizeall_end:			null		// CALLBACK when resizeAll() ENDS	- NOT pane-specific
+,	onload_start:				null		// CALLBACK when Layout inits - after options initialized, but before elements
+,	onload_end:					null		// CALLBACK when Layout inits - after EVERYTHING has been initialized
+,	onunload_start:				null		// CALLBACK when Layout is destroyed OR onWindowUnload
+,	onunload_end:				null		// CALLBACK when Layout is destroyed OR onWindowUnload
+,	initPanes:					true		// false = DO NOT initialize the panes onLoad - will init later
+,	showErrorMessages:			true		// enables fatal error messages to warn developers of common errors
+,	showDebugMessages:			false		// display console-and-alert debug msgs - IF this Layout version _has_ debugging code!
+//	Changing this zIndex value will cause other zIndex values to automatically change
+,	zIndex:						null		// the PANE zIndex - resizers and masks will be +1
+//	DO NOT CHANGE the zIndex values below unless you clearly understand their relationships
+,	zIndexes: {								// set _default_ z-index values here...
+		pane_normal:			0			// normal z-index for panes
+	,	content_mask:			1			// applied to overlays used to mask content INSIDE panes during resizing
+	,	resizer_normal:			2			// normal z-index for resizer-bars
+	,	pane_sliding:			100			// applied to *BOTH* the pane and its resizer when a pane is 'slid open'
+	,	pane_animate:			1000		// applied to the pane when being animated - not applied to the resizer
+	,	resizer_drag:			10000		// applied to the CLONED resizer-bar when being 'dragged'
+	}
+,	errors: {
+		pane:					"pane"		// description of "layout pane element" - used only in error messages
+	,	selector:				"selector"	// description of "jQuery-selector" - used only in error messages
+	,	addButtonError:			"Error Adding Button \n\nInvalid "
+	,	containerMissing:		"UI Layout Initialization Error\n\nThe specified layout-container does not exist."
+	,	centerPaneMissing:		"UI Layout Initialization Error\n\nThe center-pane element does not exist.\n\nThe center-pane is a required element."
+	,	noContainerHeight:		"UI Layout Initialization Warning\n\nThe layout-container \"CONTAINER\" has no height.\n\nTherefore the layout is 0-height and hence 'invisible'!"
+	,	callbackError:			"UI Layout Callback Error\n\nThe EVENT callback is not a valid function."
+	}
+/*
+ *	PANE DEFAULT SETTINGS
+ *	- settings under the 'panes' key become the default settings for *all panes*
+ *	- ALL pane-options can also be set specifically for each panes, which will override these 'default values'
+ */
+,	panes: { // default options for 'all panes' - will be overridden by 'per-pane settings'
+		applyDemoStyles: 		false		// NOTE: renamed from applyDefaultStyles for clarity
+	,	closable:				true		// pane can open & close
+	,	resizable:				true		// when open, pane can be resized 
+	,	slidable:				true		// when closed, pane can 'slide open' over other panes - closes on mouse-out
+	,	initClosed:				false		// true = init pane as 'closed'
+	,	initHidden: 			false 		// true = init pane as 'hidden' - no resizer-bar/spacing
+	//	SELECTORS
+	//,	paneSelector:			""			// MUST be pane-specific - jQuery selector for pane
+	,	contentSelector:		".ui-layout-content" // INNER div/element to auto-size so only it scrolls, not the entire pane!
+	,	contentIgnoreSelector:	".ui-layout-ignore"	// element(s) to 'ignore' when measuring 'content'
+	,	findNestedContent:		false		// true = $P.find(contentSelector), false = $P.children(contentSelector)
+	//	GENERIC ROOT-CLASSES - for auto-generated classNames
+	,	paneClass:				"ui-layout-pane"	// Layout Pane
+	,	resizerClass:			"ui-layout-resizer"	// Resizer Bar
+	,	togglerClass:			"ui-layout-toggler"	// Toggler Button
+	,	buttonClass:			"ui-layout-button"	// CUSTOM Buttons	- eg: '[ui-layout-button]-toggle/-open/-close/-pin'
+	//	ELEMENT SIZE & SPACING
+	//,	size:					100			// MUST be pane-specific -initial size of pane
+	,	minSize:				0			// when manually resizing a pane
+	,	maxSize:				0			// ditto, 0 = no limit
+	,	spacing_open:			6			// space between pane and adjacent panes - when pane is 'open'
+	,	spacing_closed:			6			// ditto - when pane is 'closed'
+	,	togglerLength_open:		50			// Length = WIDTH of toggler button on north/south sides - HEIGHT on east/west sides
+	,	togglerLength_closed: 	50			// 100% OR -1 means 'full height/width of resizer bar' - 0 means 'hidden'
+	,	togglerAlign_open:		"center"	// top/left, bottom/right, center, OR...
+	,	togglerAlign_closed:	"center"	// 1 => nn = offset from top/left, -1 => -nn == offset from bottom/right
+	,	togglerContent_open:	""			// text or HTML to put INSIDE the toggler
+	,	togglerContent_closed:	""			// ditto
+	//	RESIZING OPTIONS
+	,	resizerDblClickToggle:	true		// 
+	,	autoResize:				true		// IF size is 'auto' or a percentage, then recalc 'pixel size' whenever the layout resizes
+	,	autoReopen:				true		// IF a pane was auto-closed due to noRoom, reopen it when there is room? False = leave it closed
+	,	resizerDragOpacity:		1			// option for ui.draggable
+	//,	resizerCursor:			""			// MUST be pane-specific - cursor when over resizer-bar
+	,	maskContents:			false		// true = add DIV-mask over-or-inside this pane so can 'drag' over IFRAMES
+	,	maskObjects:			false		// true = add IFRAME-mask over-or-inside this pane to cover objects/applets - content-mask will overlay this mask
+	,	maskZindex:				null		// will override zIndexes.content_mask if specified - not applicable to iframe-panes
+	,	resizingGrid:			false		// grid size that the resizers will snap-to during resizing, eg: [20,20]
+	,	livePaneResizing:		false		// true = LIVE Resizing as resizer is dragged
+	,	liveContentResizing:	false		// true = re-measure header/footer heights as resizer is dragged
+	,	liveResizingTolerance:	1			// how many px change before pane resizes, to control performance
+	//	SLIDING OPTIONS
+	,	sliderCursor:			"pointer"	// cursor when resizer-bar will trigger 'sliding'
+	,	slideTrigger_open:		"click"		// click, dblclick, mouseenter
+	,	slideTrigger_close:		"mouseleave"// click, mouseleave
+	,	slideDelay_open:		300			// applies only for mouseenter event - 0 = instant open
+	,	slideDelay_close:		300			// applies only for mouseleave event (300ms is the minimum!)
+	,	hideTogglerOnSlide:		false		// when pane is slid-open, should the toggler show?
+	,	preventQuickSlideClose:	$.layout.browser.webkit // Chrome triggers slideClosed as it is opening
+	,	preventPrematureSlideClose: false	// handle incorrect mouseleave trigger, like when over a SELECT-list in IE
+	//	PANE-SPECIFIC TIPS & MESSAGES
+	,	tips: {
+			Open:				"Open"		// eg: "Open Pane"
+		,	Close:				"Close"
+		,	Resize:				"Resize"
+		,	Slide:				"Slide Open"
+		,	Pin:				"Pin"
+		,	Unpin:				"Un-Pin"
+		,	noRoomToOpen:		"Not enough room to show this panel."	// alert if user tries to open a pane that cannot
+		,	minSizeWarning:		"Panel has reached its minimum size"	// displays in browser statusbar
+		,	maxSizeWarning:		"Panel has reached its maximum size"	// ditto
+		}
+	//	HOT-KEYS & MISC
+	,	showOverflowOnHover:	false		// will bind allowOverflow() utility to pane.onMouseOver
+	,	enableCursorHotkey:		true		// enabled 'cursor' hotkeys
+	//,	customHotkey:			""			// MUST be pane-specific - EITHER a charCode OR a character
+	,	customHotkeyModifier:	"SHIFT"		// either 'SHIFT', 'CTRL' or 'CTRL+SHIFT' - NOT 'ALT'
+	//	PANE ANIMATION
+	//	NOTE: fxSss_open, fxSss_close & fxSss_size options (eg: fxName_open) are auto-generated if not passed
+	,	fxName:					"slide" 	// ('none' or blank), slide, drop, scale -- only relevant to 'open' & 'close', NOT 'size'
+	,	fxSpeed:				null		// slow, normal, fast, 200, nnn - if passed, will OVERRIDE fxSettings.duration
+	,	fxSettings:				{}			// can be passed, eg: { easing: "easeOutBounce", duration: 1500 }
+	,	fxOpacityFix:			true		// tries to fix opacity in IE to restore anti-aliasing after animation
+	,	animatePaneSizing:		false		// true = animate resizing after dragging resizer-bar OR sizePane() is called
+	/*  NOTE: Action-specific FX options are auto-generated from the options above if not specifically set:
+		fxName_open:			"slide"		// 'Open' pane animation
+		fnName_close:			"slide"		// 'Close' pane animation
+		fxName_size:			"slide"		// 'Size' pane animation - when animatePaneSizing = true
+		fxSpeed_open:			null
+		fxSpeed_close:			null
+		fxSpeed_size:			null
+		fxSettings_open:		{}
+		fxSettings_close:		{}
+		fxSettings_size:		{}
+	*/
+	//	CHILD/NESTED LAYOUTS
+	,	childOptions:			null		// Layout-options for nested/child layout - even {} is valid as options
+	,	initChildLayout:		true		// true = child layout will be created as soon as _this_ layout completes initialization
+	,	destroyChildLayout:		true		// true = destroy child-layout if this pane is destroyed
+	,	resizeChildLayout:		true		// true = trigger child-layout.resizeAll() when this pane is resized
+	//	EVENT TRIGGERING
+	,	triggerEventsOnLoad:	false		// true = trigger onopen OR onclose callbacks when layout initializes
+	,	triggerEventsDuringLiveResize: true	// true = trigger onresize callback REPEATEDLY if livePaneResizing==true
+	//	PANE CALLBACKS
+	,	onshow_start:			null		// CALLBACK when pane STARTS to Show	- BEFORE onopen/onhide_start
+	,	onshow_end:				null		// CALLBACK when pane ENDS being Shown	- AFTER  onopen/onhide_end
+	,	onhide_start:			null		// CALLBACK when pane STARTS to Close	- BEFORE onclose_start
+	,	onhide_end:				null		// CALLBACK when pane ENDS being Closed	- AFTER  onclose_end
+	,	onopen_start:			null		// CALLBACK when pane STARTS to Open
+	,	onopen_end:				null		// CALLBACK when pane ENDS being Opened
+	,	onclose_start:			null		// CALLBACK when pane STARTS to Close
+	,	onclose_end:			null		// CALLBACK when pane ENDS being Closed
+	,	onresize_start:			null		// CALLBACK when pane STARTS being Resized ***FOR ANY REASON***
+	,	onresize_end:			null		// CALLBACK when pane ENDS being Resized ***FOR ANY REASON***
+	,	onsizecontent_start:	null		// CALLBACK when sizing of content-element STARTS
+	,	onsizecontent_end:		null		// CALLBACK when sizing of content-element ENDS
+	,	onswap_start:			null		// CALLBACK when pane STARTS to Swap
+	,	onswap_end:				null		// CALLBACK when pane ENDS being Swapped
+	,	ondrag_start:			null		// CALLBACK when pane STARTS being ***MANUALLY*** Resized
+	,	ondrag_end:				null		// CALLBACK when pane ENDS being ***MANUALLY*** Resized
+	}
+/*
+ *	PANE-SPECIFIC SETTINGS
+ *	- options listed below MUST be specified per-pane - they CANNOT be set under 'panes'
+ *	- all options under the 'panes' key can also be set specifically for any pane
+ *	- most options under the 'panes' key apply only to 'border-panes' - NOT the the center-pane
+ */
+,	north: {
+		paneSelector:			".ui-layout-north"
+	,	size:					"auto"		// eg: "auto", "30%", .30, 200
+	,	resizerCursor:			"n-resize"	// custom = url(myCursor.cur)
+	,	customHotkey:			""			// EITHER a charCode (43) OR a character ("o")
+	}
+,	south: {
+		paneSelector:			".ui-layout-south"
+	,	size:					"auto"
+	,	resizerCursor:			"s-resize"
+	,	customHotkey:			""
+	}
+,	east: {
+		paneSelector:			".ui-layout-east"
+	,	size:					200
+	,	resizerCursor:			"e-resize"
+	,	customHotkey:			""
+	}
+,	west: {
+		paneSelector:			".ui-layout-west"
+	,	size:					200
+	,	resizerCursor:			"w-resize"
+	,	customHotkey:			""
+	}
+,	center: {
+		paneSelector:			".ui-layout-center"
+	,	minWidth:				0
+	,	minHeight:				0
+	}
+};
+
+$.layout.optionsMap = {
+	// layout/global options - NOT pane-options
+	layout: ("stateManagement,effects,zIndexes,errors,"
+	+	"name,zIndex,scrollToBookmarkOnLoad,showErrorMessages,"
+	+	"resizeWithWindow,resizeWithWindowDelay,resizeWithWindowMaxDelay,"
+	+	"onresizeall,onresizeall_start,onresizeall_end,onload,onunload").split(",")
+//	borderPanes: [ ALL options that are NOT specified as 'layout' ]
+	// default.panes options that apply to the center-pane (most options apply _only_ to border-panes)
+,	center: ("paneClass,contentSelector,contentIgnoreSelector,findNestedContent,applyDemoStyles,triggerEventsOnLoad,"
+	+	"showOverflowOnHover,maskContents,maskObjects,liveContentResizing,"
+	+	"childOptions,initChildLayout,resizeChildLayout,destroyChildLayout,"
+	+	"onresize,onresize_start,onresize_end,onsizecontent,onsizecontent_start,onsizecontent_end").split(",")
+	// options that MUST be specifically set 'per-pane' - CANNOT set in the panes (defaults) key
+,	noDefault: ("paneSelector,resizerCursor,customHotkey").split(",")
+};
+
+/**
+ * Processes options passed in converts flat-format data into subkey (JSON) format
+ * In flat-format, subkeys are _currently_ separated with 2 underscores, like north__optName
+ * Plugins may also call this method so they can transform their own data
+ *
+ * @param  {!Object}	hash	Data/options passed by user - may be a single level or nested levels
+ * @return {Object}				Returns hash of minWidth & minHeight
+ */
+$.layout.transformData = function (hash) {
+	var	json = { panes: {}, center: {} } // init return object
+	,	data, branch, optKey, keys, key, val, i, c;
+
+	if (typeof hash !== "object") return json; // no options passed
+
+	// convert all 'flat-keys' to 'sub-key' format
+	for (optKey in hash) {
+		branch	= json;
+		data	= $.layout.optionsMap.layout;
+		val		= hash[ optKey ];
+		keys	= optKey.split("__"); // eg: west__size or north__fxSettings__duration
+		c		= keys.length - 1;
+		// convert underscore-delimited to subkeys
+		for (i=0; i <= c; i++) {
+			key = keys[i];
+			if (i === c)
+				branch[key] = val;
+			else if (!branch[key])
+				branch[key] = {}; // create the subkey
+			// recurse to sub-key for next loop - if not done
+			branch = branch[key];
+		}
+	}
+
+	return json;
+};
+
+// INTERNAL CONFIG DATA - DO NOT CHANGE THIS!
+$.layout.backwardCompatibility = {
+	// data used by renameOldOptions()
+	map: {
+	//	OLD Option Name:			NEW Option Name
+		applyDefaultStyles:			"applyDemoStyles"
+	,	resizeNestedLayout:			"resizeChildLayout"
+	,	resizeWhileDragging:		"livePaneResizing"
+	,	resizeContentWhileDragging:	"liveContentResizing"
+	,	triggerEventsWhileDragging:	"triggerEventsDuringLiveResize"
+	,	maskIframesOnResize:		"maskContents"
+	,	useStateCookie:				"stateManagement.enabled"
+	,	"cookie.autoLoad":			"stateManagement.autoLoad"
+	,	"cookie.autoSave":			"stateManagement.autoSave"
+	,	"cookie.keys":				"stateManagement.stateKeys"
+	,	"cookie.name":				"stateManagement.cookie.name"
+	,	"cookie.domain":			"stateManagement.cookie.domain"
+	,	"cookie.path":				"stateManagement.cookie.path"
+	,	"cookie.expires":			"stateManagement.cookie.expires"
+	,	"cookie.secure":			"stateManagement.cookie.secure"
+	//	OLD Language options
+	,	noRoomToOpenTip:			"tips.noRoomToOpen"
+	,	togglerTip_open:			"tips.Close"	// open   = Close
+	,	togglerTip_closed:			"tips.Open"		// closed = Open
+	,	resizerTip:					"tips.Resize"
+	,	sliderTip:					"tips.Slide"
+	}
+
+/**
+* @param {Object}	opts
+*/
+,	renameOptions: function (opts) {
+		var map = $.layout.backwardCompatibility.map
+		,	oldData, newData, value
+		;
+		for (var itemPath in map) {
+			oldData	= getBranch( itemPath );
+			value	= oldData.branch[ oldData.key ];
+			if (value !== undefined) {
+				newData = getBranch( map[itemPath], true );
+				newData.branch[ newData.key ] = value;
+				delete oldData.branch[ oldData.key ];
+			}
+		}
+
+		/**
+		* @param {string}	path
+		* @param {boolean=}	[create=false]	Create path if does not exist
+		*/
+		function getBranch (path, create) {
+			var a = path.split(".") // split keys into array
+			,	c = a.length - 1
+			,	D = { branch: opts, key: a[c] } // init branch at top & set key (last item)
+			,	i = 0, k, undef;
+			for (; i<c; i++) { // skip the last key (data)
+				k = a[i];
+				if (D.branch[ k ] == undefined) { // child-key does not exist
+					if (create) {
+						D.branch = D.branch[ k ] = {}; // create child-branch
+					}
+					else // can't go any farther
+						D.branch = {}; // branch is undefined
+				}
+				else
+					D.branch = D.branch[ k ]; // get child-branch
+			}
+			return D;
+		};
+	}
+
+/**
+* @param {Object}	opts
+*/
+,	renameAllOptions: function (opts) {
+		var ren = $.layout.backwardCompatibility.renameOptions;
+		// rename root (layout) options
+		ren( opts );
+		// rename 'defaults' to 'panes'
+		if (opts.defaults) {
+			if (typeof opts.panes !== "object")
+				opts.panes = {};
+			$.extend(true, opts.panes, opts.defaults);
+			delete opts.defaults;
+		}
+		// rename options in the the options.panes key
+		if (opts.panes) ren( opts.panes );
+		// rename options inside *each pane key*, eg: options.west
+		$.each($.layout.config.allPanes, function (i, pane) {
+			if (opts[pane]) ren( opts[pane] );
+		});	
+		return opts;
+	}
+};
+
+
+
+
+/*	============================================================
+ *	BEGIN WIDGET: $( selector ).layout( {options} );
+ *	============================================================
+ */
+$.fn.layout = function (opts) {
+	var
+
+	// local aliases to global data
+	browser	= $.layout.browser
+,	_c		= $.layout.config
+
+	// local aliases to utlity methods
+,	cssW	= $.layout.cssWidth
+,	cssH	= $.layout.cssHeight
+,	elDims	= $.layout.getElementDimensions
+,	elCSS	= $.layout.getElementCSS
+,	evtObj	= $.layout.getEventObject
+,	evtPane	= $.layout.parsePaneName
+
+/**
+ * options - populated by initOptions()
+ */
+,	options = $.extend(true, {}, $.layout.defaults)
+,	effects	= options.effects = $.extend(true, {}, $.layout.effects)
+
+/**
+ * layout-state object
+ */
+,	state = {
+		// generate unique ID to use for event.namespace so can unbind only events added by 'this layout'
+		id:			"layout"+ $.now()	// code uses alias: sID
+	,	initialized: false
+	,	container:	{} // init all keys
+	,	north:		{}
+	,	south:		{}
+	,	east:		{}
+	,	west:		{}
+	,	center:		{}
+	}
+
+/**
+ * parent/child-layout pointers
+ */
+//,	hasParentLayout	= false	- exists ONLY inside Instance so can be set externally
+,	children = {
+		north:		null
+	,	south:		null
+	,	east:		null
+	,	west:		null
+	,	center:		null
+	}
+
+/*
+ * ###########################
+ *  INTERNAL HELPER FUNCTIONS
+ * ###########################
+ */
+
+	/**
+	* Manages all internal timers
+	*/
+,	timer = {
+		data:	{}
+	,	set:	function (s, fn, ms) { timer.clear(s); timer.data[s] = setTimeout(fn, ms); }
+	,	clear:	function (s) { var t=timer.data; if (t[s]) {clearTimeout(t[s]); delete t[s];} }
+	}
+
+	/**
+	* Alert or console.log a message - IF option is enabled.
+	*
+	* @param {(string|!Object)}	msg		Message (or debug-data) to display
+	* @param {?boolean}			popup	True by default, means 'alert', false means use console.log
+	* @param {?boolean}			debug	True means is a widget debugging message
+	*/
+,	_log = function (msg, popup, debug) {
+		var o = options;
+		if ((o.showErrorMessages && !debug) || (debug && o.showDebugMessages))
+			$.layout.msg( o.name +' / '+ msg, (popup !== false) );
+		return false;
+	}
+
+	/**
+	* Executes a Callback function after a trigger event, like resize, open or close
+	*
+	* @param {string}			evtName			Name of the layout callback, eg "onresize_start"
+	* @param {?string}			pane			This is passed only so we can pass the 'pane object' to the callback
+	* @param {?string|?boolean}	skipBoundEvents	True = do not run events bound to the elements - only the callbacks set in options
+	*/
+,	_runCallbacks = function (evtName, pane, skipBoundEvents) {
+		var	paneCB	= pane && isStr(pane)
+		,	s		= paneCB ? state[pane] : state
+		,	o		= paneCB ? options[pane] : options
+		,	lName	= options.name
+			// names like onopen and onopen_end separate are interchangeable in options...
+		,	lng		= evtName + (evtName.match(/_/) ? "" : "_end")
+		,	shrt	= lng.match(/_end$/) ? lng.substr(0, lng.length - 4) : ""
+		,	fn		= o[lng] || o[shrt]
+		,	retVal	= "NC" // NC = No Callback
+		,	args	= []
+		,	$P
+		;
+		if ( !paneCB && $.type(skipBoundEvents) !== 'boolean' )
+			skipBoundEvents = pane; // allow pane param to be skipped for Layout callback
+
+		// first trigger the callback set in the options
+		if (fn) {
+			try {
+				// convert function name (string) to function object
+				if (isStr( fn )) {
+					if (fn.match(/,/)) {
+						// function name cannot contain a comma, 
+						// so must be a function name AND a parameter to pass
+						args = fn.split(",")
+						,	fn = eval(args[0]);
+					}
+					else // just the name of an external function?
+						fn = eval(fn);
+				}
+				// execute the callback, if exists
+				if ($.isFunction( fn )) {
+					if (args.length)
+						retVal = fn(args[1]); // pass the argument parsed from 'list'
+					else if ( paneCB )
+						// pass data: pane-name, pane-element, pane-state, pane-options, and layout-name
+						retVal = fn( pane, $Ps[pane], s, o, lName );
+					else // must be a layout/container callback - pass suitable info
+						retVal = fn( Instance, s, o, lName );
+				}
+			}
+			catch (ex) {
+				_log( options.errors.callbackError.replace(/EVENT/, $.trim(pane +" "+ lng)), false );
+			}
+		}
+
+		// trigger additional events bound directly to the pane
+		if (!skipBoundEvents && retVal !== false) {
+			if ( paneCB ) { // PANE events can be bound to each pane-elements
+				$P	= $Ps[pane];
+				o	= options[pane];
+				s	= state[pane];
+				$P.triggerHandler('layoutpane'+ lng, [ pane, $P, s, o, lName ]);
+				if (shrt)
+					$P.triggerHandler('layoutpane'+ shrt, [ pane, $P, s, o, lName ]);
+			}
+			else { // LAYOUT events can be bound to the container-element
+				$N.triggerHandler('layout'+ lng, [ Instance, s, o, lName ]);
+				if (shrt)
+					$N.triggerHandler('layout'+ shrt, [ Instance, s, o, lName ]);
+			}
+		}
+
+		// ALWAYS resizeChildLayout after a resize event - even during initialization
+		if (evtName === "onresize_end" || evtName === "onsizecontent_end")
+			resizeChildLayout(pane); 
+
+		return retVal;
+	}
+
+
+	/**
+	* cure iframe display issues in IE & other browsers
+	*/
+,	_fixIframe = function (pane) {
+		if (browser.mozilla) return; // skip FireFox - it auto-refreshes iframes onShow
+		var $P = $Ps[pane];
+		// if the 'pane' is an iframe, do it
+		if (state[pane].tagName === "IFRAME")
+			$P.css(_c.hidden).css(_c.visible); 
+		else // ditto for any iframes INSIDE the pane
+			$P.find('IFRAME').css(_c.hidden).css(_c.visible);
+	}
+
+	/**
+	* @param  {string}		pane		Can accept ONLY a 'pane' (east, west, etc)
+	* @param  {number=}		outerSize	(optional) Can pass a width, allowing calculations BEFORE element is resized
+	* @return {number}		Returns the innerHeight/Width of el by subtracting padding and borders
+	*/
+,	cssSize = function (pane, outerSize) {
+		var fn = _c[pane].dir=="horz" ? cssH : cssW;
+		return fn($Ps[pane], outerSize);
+	}
+
+	/**
+	* @param  {string}		pane		Can accept ONLY a 'pane' (east, west, etc)
+	* @return {Object}		Returns hash of minWidth & minHeight
+	*/
+,	cssMinDims = function (pane) {
+		// minWidth/Height means CSS width/height = 1px
+		var	$P	= $Ps[pane]
+		,	dir	= _c[pane].dir
+		,	d	= {
+				minWidth:	1001 - cssW($P, 1000)
+			,	minHeight:	1001 - cssH($P, 1000)
+			}
+		;
+		if (dir === "horz") d.minSize = d.minHeight;
+		if (dir === "vert") d.minSize = d.minWidth;
+		return d;
+	}
+
+	// TODO: see if these methods can be made more useful...
+	// TODO: *maybe* return cssW/H from these so caller can use this info
+
+	/**
+	* @param {(string|!Object)}		el
+	* @param {number=}				outerWidth
+	* @param {boolean=}				[autoHide=false]
+	*/
+,	setOuterWidth = function (el, outerWidth, autoHide) {
+		var $E = el, w;
+		if (isStr(el)) $E = $Ps[el]; // west
+		else if (!el.jquery) $E = $(el);
+		w = cssW($E, outerWidth);
+		$E.css({ width: w });
+		if (w > 0) {
+			if (autoHide && $E.data('autoHidden') && $E.innerHeight() > 0) {
+				$E.show().data('autoHidden', false);
+				if (!browser.mozilla) // FireFox refreshes iframes - IE does not
+					// make hidden, then visible to 'refresh' display after animation
+					$E.css(_c.hidden).css(_c.visible);
+			}
+		}
+		else if (autoHide && !$E.data('autoHidden'))
+			$E.hide().data('autoHidden', true);
+	}
+
+	/**
+	* @param {(string|!Object)}		el
+	* @param {number=}				outerHeight
+	* @param {boolean=}				[autoHide=false]
+	*/
+,	setOuterHeight = function (el, outerHeight, autoHide) {
+		var $E = el, h;
+		if (isStr(el)) $E = $Ps[el]; // west
+		else if (!el.jquery) $E = $(el);
+		h = cssH($E, outerHeight);
+		$E.css({ height: h, visibility: "visible" }); // may have been 'hidden' by sizeContent
+		if (h > 0 && $E.innerWidth() > 0) {
+			if (autoHide && $E.data('autoHidden')) {
+				$E.show().data('autoHidden', false);
+				if (!browser.mozilla) // FireFox refreshes iframes - IE does not
+					$E.css(_c.hidden).css(_c.visible);
+			}
+		}
+		else if (autoHide && !$E.data('autoHidden'))
+			$E.hide().data('autoHidden', true);
+	}
+
+	/**
+	* @param {(string|!Object)}		el
+	* @param {number=}				outerSize
+	* @param {boolean=}				[autoHide=false]
+	*/
+,	setOuterSize = function (el, outerSize, autoHide) {
+		if (_c[pane].dir=="horz") // pane = north or south
+			setOuterHeight(el, outerSize, autoHide);
+		else // pane = east or west
+			setOuterWidth(el, outerSize, autoHide);
+	}
+
+
+	/**
+	* Converts any 'size' params to a pixel/integer size, if not already
+	* If 'auto' or a decimal/percentage is passed as 'size', a pixel-size is calculated
+	*
+	/**
+	* @param  {string}				pane
+	* @param  {(string|number)=}	size
+	* @param  {string=}				[dir]
+	* @return {number}
+	*/
+,	_parseSize = function (pane, size, dir) {
+		if (!dir) dir = _c[pane].dir;
+
+		if (isStr(size) && size.match(/%/))
+			size = (size === '100%') ? -1 : parseInt(size, 10) / 100; // convert % to decimal
+
+		if (size === 0)
+			return 0;
+		else if (size >= 1)
+			return parseInt(size, 10);
+
+		var o = options, avail = 0;
+		if (dir=="horz") // north or south or center.minHeight
+			avail = sC.innerHeight - ($Ps.north ? o.north.spacing_open : 0) - ($Ps.south ? o.south.spacing_open : 0);
+		else if (dir=="vert") // east or west or center.minWidth
+			avail = sC.innerWidth - ($Ps.west ? o.west.spacing_open : 0) - ($Ps.east ? o.east.spacing_open : 0);
+
+		if (size === -1) // -1 == 100%
+			return avail;
+		else if (size > 0) // percentage, eg: .25
+			return round(avail * size);
+		else if (pane=="center")
+			return 0;
+		else { // size < 0 || size=='auto' || size==Missing || size==Invalid
+			// auto-size the pane
+			var	dim	= (dir === "horz" ? "height" : "width")
+			,	$P	= $Ps[pane]
+			,	$C	= dim === 'height' ? $Cs[pane] : false
+			,	vis	= $.layout.showInvisibly($P) // show pane invisibly if hidden
+			,	szP	= $P.css(dim) // SAVE current pane size
+			,	szC	= $C ? $C.css(dim) : 0 // SAVE current content size
+			;
+			$P.css(dim, "auto");
+			if ($C) $C.css(dim, "auto");
+			size = (dim === "height") ? $P.outerHeight() : $P.outerWidth(); // MEASURE
+			$P.css(dim, szP).css(vis); // RESET size & visibility
+			if ($C) $C.css(dim, szC);
+			return size;
+		}
+	}
+
+	/**
+	* Calculates current 'size' (outer-width or outer-height) of a border-pane - optionally with 'pane-spacing' added
+	*
+	* @param  {(string|!Object)}	pane
+	* @param  {boolean=}			[inclSpace=false]
+	* @return {number}				Returns EITHER Width for east/west panes OR Height for north/south panes
+	*/
+,	getPaneSize = function (pane, inclSpace) {
+		var 
+			$P	= $Ps[pane]
+		,	o	= options[pane]
+		,	s	= state[pane]
+		,	oSp	= (inclSpace ? o.spacing_open : 0)
+		,	cSp	= (inclSpace ? o.spacing_closed : 0)
+		;
+		if (!$P || s.isHidden)
+			return 0;
+		else if (s.isClosed || (s.isSliding && inclSpace))
+			return cSp;
+		else if (_c[pane].dir === "horz")
+			return $P.outerHeight() + oSp;
+		else // dir === "vert"
+			return $P.outerWidth() + oSp;
+	}
+
+	/**
+	* Calculate min/max pane dimensions and limits for resizing
+	*
+	* @param  {string}		pane
+	* @param  {boolean=}	[slide=false]
+	*/
+,	setSizeLimits = function (pane, slide) {
+		if (!isInitialized()) return;
+		var 
+			o				= options[pane]
+		,	s				= state[pane]
+		,	c				= _c[pane]
+		,	dir				= c.dir
+		,	side			= c.side.toLowerCase()
+		,	type			= c.sizeType.toLowerCase()
+		,	isSliding		= (slide != undefined ? slide : s.isSliding) // only open() passes 'slide' param
+		,	$P				= $Ps[pane]
+		,	paneSpacing		= o.spacing_open
+		//	measure the pane on the *opposite side* from this pane
+		,	altPane			= _c.oppositeEdge[pane]
+		,	altS			= state[altPane]
+		,	$altP			= $Ps[altPane]
+		,	altPaneSize		= (!$altP || altS.isVisible===false || altS.isSliding ? 0 : (dir=="horz" ? $altP.outerHeight() : $altP.outerWidth()))
+		,	altPaneSpacing	= ((!$altP || altS.isHidden ? 0 : options[altPane][ altS.isClosed !== false ? "spacing_closed" : "spacing_open" ]) || 0)
+		//	limitSize prevents this pane from 'overlapping' opposite pane
+		,	containerSize	= (dir=="horz" ? sC.innerHeight : sC.innerWidth)
+		,	minCenterDims	= cssMinDims("center")
+		,	minCenterSize	= dir=="horz" ? max(options.center.minHeight, minCenterDims.minHeight) : max(options.center.minWidth, minCenterDims.minWidth)
+		//	if pane is 'sliding', then ignore center and alt-pane sizes - because 'overlays' them
+		,	limitSize		= (containerSize - paneSpacing - (isSliding ? 0 : (_parseSize("center", minCenterSize, dir) + altPaneSize + altPaneSpacing)))
+		,	minSize			= s.minSize = max( _parseSize(pane, o.minSize), cssMinDims(pane).minSize )
+		,	maxSize			= s.maxSize = min( (o.maxSize ? _parseSize(pane, o.maxSize) : 100000), limitSize )
+		,	r				= s.resizerPosition = {} // used to set resizing limits
+		,	top				= sC.insetTop
+		,	left			= sC.insetLeft
+		,	W				= sC.innerWidth
+		,	H				= sC.innerHeight
+		,	rW				= o.spacing_open // subtract resizer-width to get top/left position for south/east
+		;
+		switch (pane) {
+			case "north":	r.min = top + minSize;
+							r.max = top + maxSize;
+							break;
+			case "west":	r.min = left + minSize;
+							r.max = left + maxSize;
+							break;
+			case "south":	r.min = top + H - maxSize - rW;
+							r.max = top + H - minSize - rW;
+							break;
+			case "east":	r.min = left + W - maxSize - rW;
+							r.max = left + W - minSize - rW;
+							break;
+		};
+	}
+
+	/**
+	* Returns data for setting the size/position of center pane. Also used to set Height for east/west panes
+	*
+	* @return JSON  Returns a hash of all dimensions: top, bottom, left, right, (outer) width and (outer) height
+	*/
+,	calcNewCenterPaneDims = function () {
+		var d = {
+			top:	getPaneSize("north", true) // true = include 'spacing' value for pane
+		,	bottom:	getPaneSize("south", true)
+		,	left:	getPaneSize("west", true)
+		,	right:	getPaneSize("east", true)
+		,	width:	0
+		,	height:	0
+		};
+
+		// NOTE: sC = state.container
+		// calc center-pane outer dimensions
+		d.width		= sC.innerWidth - d.left - d.right;  // outerWidth
+		d.height	= sC.innerHeight - d.bottom - d.top; // outerHeight
+		// add the 'container border/padding' to get final positions relative to the container
+		d.top		+= sC.insetTop;
+		d.bottom	+= sC.insetBottom;
+		d.left		+= sC.insetLeft;
+		d.right		+= sC.insetRight;
+
+		return d;
+	}
+
+
+	/**
+	* @param {!Object}		el
+	* @param {boolean=}		[allStates=false]
+	*/
+,	getHoverClasses = function (el, allStates) {
+		var
+			$El		= $(el)
+		,	type	= $El.data("layoutRole")
+		,	pane	= $El.data("layoutEdge")
+		,	o		= options[pane]
+		,	root	= o[type +"Class"]
+		,	_pane	= "-"+ pane // eg: "-west"
+		,	_open	= "-open"
+		,	_closed	= "-closed"
+		,	_slide	= "-sliding"
+		,	_hover	= "-hover " // NOTE the trailing space
+		,	_state	= $El.hasClass(root+_closed) ? _closed : _open
+		,	_alt	= _state === _closed ? _open : _closed
+		,	classes = (root+_hover) + (root+_pane+_hover) + (root+_state+_hover) + (root+_pane+_state+_hover)
+		;
+		if (allStates) // when 'removing' classes, also remove alternate-state classes
+			classes += (root+_alt+_hover) + (root+_pane+_alt+_hover);
+
+		if (type=="resizer" && $El.hasClass(root+_slide))
+			classes += (root+_slide+_hover) + (root+_pane+_slide+_hover);
+
+		return $.trim(classes);
+	}
+,	addHover	= function (evt, el) {
+		var $E = $(el || this);
+		if (evt && $E.data("layoutRole") === "toggler")
+			evt.stopPropagation(); // prevent triggering 'slide' on Resizer-bar
+		$E.addClass( getHoverClasses($E) );
+	}
+,	removeHover	= function (evt, el) {
+		var $E = $(el || this);
+		$E.removeClass( getHoverClasses($E, true) );
+	}
+
+,	onResizerEnter	= function (evt) { // ALSO called by toggler.mouseenter
+		if ($.fn.disableSelection)
+			$("body").disableSelection();
+	}
+,	onResizerLeave	= function (evt, el) {
+		var
+			e = el || this // el is only passed when called by the timer
+		,	pane = $(e).data("layoutEdge")
+		,	name = pane +"ResizerLeave"
+		;
+		timer.clear(pane+"_openSlider"); // cancel slideOpen timer, if set
+		timer.clear(name); // cancel enableSelection timer - may re/set below
+		// this method calls itself on a timer because it needs to allow
+		// enough time for dragging to kick-in and set the isResizing flag
+		// dragging has a 100ms delay set, so this delay must be >100
+		if (!el) // 1st call - mouseleave event
+			timer.set(name, function(){ onResizerLeave(evt, e); }, 200);
+		// if user is resizing, then dragStop will enableSelection(), so can skip it here
+		else if (!state[pane].isResizing && $.fn.enableSelection) // 2nd call - by timer
+			$("body").enableSelection();
+	}
+
+/*
+ * ###########################
+ *   INITIALIZATION METHODS
+ * ###########################
+ */
+
+	/**
+	* Initialize the layout - called automatically whenever an instance of layout is created
+	*
+	* @see  none - triggered onInit
+	* @return  mixed	true = fully initialized | false = panes not initialized (yet) | 'cancel' = abort
+	*/
+,	_create = function () {
+		// initialize config/options
+		initOptions();
+		var o = options;
+
+		// TEMP state so isInitialized returns true during init process
+		state.creatingLayout = true;
+
+		// init plugins for this layout, if there are any (eg: stateManagement)
+		runPluginCallbacks( Instance, $.layout.onCreate );
+
+		// options & state have been initialized, so now run beforeLoad callback
+		// onload will CANCEL layout creation if it returns false
+		if (false === _runCallbacks("onload_start"))
+			return 'cancel';
+
+		// initialize the container element
+		_initContainer();
+
+		// bind hotkey function - keyDown - if required
+		initHotkeys();
+
+		// bind window.onunload
+		$(window).bind("unload."+ sID, unload);
+
+		// init plugins for this layout, if there are any (eg: customButtons)
+		runPluginCallbacks( Instance, $.layout.onLoad );
+
+		// if layout elements are hidden, then layout WILL NOT complete initialization!
+		// initLayoutElements will set initialized=true and run the onload callback IF successful
+		if (o.initPanes) _initLayoutElements();
+
+		delete state.creatingLayout;
+
+		return state.initialized;
+	}
+
+	/**
+	* Initialize the layout IF not already
+	*
+	* @see  All methods in Instance run this test
+	* @return  boolean	true = layoutElements have been initialized | false = panes are not initialized (yet)
+	*/
+,	isInitialized = function () {
+		if (state.initialized || state.creatingLayout) return true;	// already initialized
+		else return _initLayoutElements();	// try to init panes NOW
+	}
+
+	/**
+	* Initialize the layout - called automatically whenever an instance of layout is created
+	*
+	* @see  _create() & isInitialized
+	* @return  An object pointer to the instance created
+	*/
+,	_initLayoutElements = function (retry) {
+		// initialize config/options
+		var o = options;
+
+		// CANNOT init panes inside a hidden container!
+		if (!$N.is(":visible")) {
+			// handle Chrome bug where popup window 'has no height'
+			// if layout is BODY element, try again in 50ms
+			// SEE: http://layout.jquery-dev.net/samples/test_popup_window.html
+			if ( !retry && browser.webkit && $N[0].tagName === "BODY" )
+				setTimeout(function(){ _initLayoutElements(true); }, 50);
+			return false;
+		}
+
+		// a center pane is required, so make sure it exists
+		if (!getPane("center").length) {
+			return _log( o.errors.centerPaneMissing );
+		}
+
+		// TEMP state so isInitialized returns true during init process
+		state.creatingLayout = true;
+
+		// update Container dims
+		$.extend(sC, elDims( $N ));
+
+		// initialize all layout elements
+		initPanes();	// size & position panes - calls initHandles() - which calls initResizable()
+
+		if (o.scrollToBookmarkOnLoad) {
+			var l = self.location;
+			if (l.hash) l.replace( l.hash ); // scrollTo Bookmark
+		}
+
+		// check to see if this layout 'nested' inside a pane
+		if (Instance.hasParentLayout)
+			o.resizeWithWindow = false;
+		// bind resizeAll() for 'this layout instance' to window.resize event
+		else if (o.resizeWithWindow)
+			$(window).bind("resize."+ sID, windowResize);
+
+		delete state.creatingLayout;
+		state.initialized = true;
+
+		// init plugins for this layout, if there are any
+		runPluginCallbacks( Instance, $.layout.onReady );
+
+		// now run the onload callback, if exists
+		_runCallbacks("onload_end");
+
+		return true; // elements initialized successfully
+	}
+
+	/**
+	* Initialize nested layouts - called when _initLayoutElements completes
+	*
+	* NOT CURRENTLY USED
+	*
+	* @see _initLayoutElements
+	* @return  An object pointer to the instance created
+	*/
+,	_initChildLayouts = function () {
+		$.each(_c.allPanes, function (idx, pane) {
+			if (options[pane].initChildLayout)
+				createChildLayout( pane );
+		});
+	}
+
+	/**
+	* Initialize nested layouts for a specific pane - can optionally pass layout-options
+	*
+	* @see _initChildLayouts
+	* @param {string|Object}	evt_or_pane	The pane being opened, ie: north, south, east, or west
+	* @param {Object=}			[opts]		Layout-options - if passed, will OVERRRIDE options[pane].childOptions
+	* @return  An object pointer to the layout instance created - or null
+	*/
+,	createChildLayout = function (evt_or_pane, opts) {
+		var	pane = evtPane.call(this, evt_or_pane)
+		,	$P	= $Ps[pane]
+		,	C	= children
+		;
+		if ($P) {
+			var	$C	= $Cs[pane]
+			,	o	= opts || options[pane].childOptions
+			,	d	= "layout"
+			//	determine which element is supposed to be the 'child container'
+			//	if pane has a 'containerSelector' OR a 'content-div', use those instead of the pane
+			,	$Cont = o.containerSelector ? $P.find( o.containerSelector ) : ($C || $P)
+			,	containerFound = $Cont.length
+			//	see if a child-layout ALREADY exists on this element
+			,	child = containerFound ? (C[pane] = $Cont.data(d) || null) : null
+			;
+			// if no layout exists, but childOptions are set, try to create the layout now
+			if (!child && containerFound && o)
+				child = C[pane] = $Cont.eq(0).layout(o) || null;
+			if (child)
+				child.hasParentLayout = true;	// set parent-flag in child
+		}
+		Instance[pane].child = C[pane]; // ALWAYS set pane-object pointer, even if null
+	}
+
+,	windowResize = function () {
+		var delay = Number(options.resizeWithWindowDelay);
+		if (delay < 10) delay = 100; // MUST have a delay!
+		// resizing uses a delay-loop because the resize event fires repeatly - except in FF, but delay anyway
+		timer.clear("winResize"); // if already running
+		timer.set("winResize", function(){
+			timer.clear("winResize");
+			timer.clear("winResizeRepeater");
+			var dims = elDims( $N );
+			// only trigger resizeAll() if container has changed size
+			if (dims.innerWidth !== sC.innerWidth || dims.innerHeight !== sC.innerHeight)
+				resizeAll();
+		}, delay);
+		// ALSO set fixed-delay timer, if not already running
+		if (!timer.data["winResizeRepeater"]) setWindowResizeRepeater();
+	}
+
+,	setWindowResizeRepeater = function () {
+		var delay = Number(options.resizeWithWindowMaxDelay);
+		if (delay > 0)
+			timer.set("winResizeRepeater", function(){ setWindowResizeRepeater(); resizeAll(); }, delay);
+	}
+
+,	unload = function () {
+		var o = options;
+
+		_runCallbacks("onunload_start");
+
+		// trigger plugin callabacks for this layout (eg: stateManagement)
+		runPluginCallbacks( Instance, $.layout.onUnload );
+
+		_runCallbacks("onunload_end");
+	}
+
+	/**
+	* Validate and initialize container CSS and events
+	*
+	* @see  _create()
+	*/
+,	_initContainer = function () {
+		var
+			N		= $N[0]
+		,	tag		= sC.tagName = N.tagName
+		,	id		= sC.id = N.id
+		,	cls		= sC.className = N.className
+		,	o		= options
+		,	name	= o.name
+		,	fullPage= (tag === "BODY")
+		,	props	= "overflow,position,margin,padding,border"
+		,	css		= "layoutCSS"
+		,	CSS		= {}
+		,	hid		= "hidden" // used A LOT!
+		//	see if this container is a 'pane' inside an outer-layout
+		,	parent	= $N.data("parentLayout")	// parent-layout Instance
+		,	pane	= $N.data("layoutEdge")		// pane-name in parent-layout
+		,	isChild	= parent && pane
+		;
+		// sC -> state.container
+		sC.selector = $N.selector.split(".slice")[0];
+		sC.ref		= (o.name ? o.name +' layout / ' : '') + tag + (id ? "#"+id : cls ? '.['+cls+']' : ''); // used in messages
+
+		$N	.data({
+				layout: Instance
+			,	layoutContainer: sID // FLAG to indicate this is a layout-container - contains unique internal ID
+			})
+			.addClass(o.containerClass)
+		;
+		var layoutMethods = {
+			destroy:	''
+		,	initPanes:	''
+		,	resizeAll:	'resizeAll'
+		,	resize:		'resizeAll'
+		};
+		// loop hash and bind all methods - include layoutID namespacing
+		for (name in layoutMethods) {
+			$N.bind("layout"+ name.toLowerCase() +"."+ sID, Instance[ layoutMethods[name] || name ]);
+		}
+
+		// if this container is another layout's 'pane', then set child/parent pointers
+		if (isChild) {
+			// update parent flag
+			Instance.hasParentLayout = true;
+			// set pointers to THIS child-layout (Instance) in parent-layout
+			// NOTE: parent.PANE.child is an ALIAS to parent.children.PANE
+			parent[pane].child = parent.children[pane] = $N.data("layout");
+		}
+
+		// SAVE original container CSS for use in destroy()
+		if (!$N.data(css)) {
+			// handle props like overflow different for BODY & HTML - has 'system default' values
+			if (fullPage) {
+				CSS = $.extend( elCSS($N, props), {
+					height:		$N.css("height")
+				,	overflow:	$N.css("overflow")
+				,	overflowX:	$N.css("overflowX")
+				,	overflowY:	$N.css("overflowY")
+				});
+				// ALSO SAVE <HTML> CSS
+				var $H = $("html");
+				$H.data(css, {
+					height:		"auto" // FF would return a fixed px-size!
+				,	overflow:	$H.css("overflow")
+				,	overflowX:	$H.css("overflowX")
+				,	overflowY:	$H.css("overflowY")
+				});
+			}
+			else // handle props normally for non-body elements
+				CSS = elCSS($N, props+",top,bottom,left,right,width,height,overflow,overflowX,overflowY");
+
+			$N.data(css, CSS);
+		}
+
+		try { // format html/body if this is a full page layout
+			if (fullPage) {
+				$("html").css({
+					height:		"100%"
+				,	overflow:	hid
+				,	overflowX:	hid
+				,	overflowY:	hid
+				});
+				$("body").css({
+					position:	"relative"
+				,	height:		"100%"
+				,	overflow:	hid
+				,	overflowX:	hid
+				,	overflowY:	hid
+				,	margin:		0
+				,	padding:	0		// TODO: test whether body-padding could be handled?
+				,	border:		"none"	// a body-border creates problems because it cannot be measured!
+				});
+
+				// set current layout-container dimensions
+				$.extend(sC, elDims( $N ));
+			}
+			else { // set required CSS for overflow and position
+				// ENSURE container will not 'scroll'
+				CSS = { overflow: hid, overflowX: hid, overflowY: hid }
+				var
+					p = $N.css("position")
+				,	h = $N.css("height")
+				;
+				// if this is a NESTED layout, then container/outer-pane ALREADY has position and height
+				if (!isChild) {
+					if (!p || !p.match(/fixed|absolute|relative/))
+						CSS.position = "relative"; // container MUST have a 'position'
+					/*
+					if (!h || h=="auto")
+						CSS.height = "100%"; // container MUST have a 'height'
+					*/
+				}
+				$N.css( CSS );
+
+				// set current layout-container dimensions
+				if ( $N.is(":visible") ) {
+					$.extend(sC, elDims( $N ));
+					if (sC.innerHeight < 1)
+						_log( o.errors.noContainerHeight.replace(/CONTAINER/, sC.ref) );
+				}
+			}
+		} catch (ex) {}
+	}
+
+	/**
+	* Bind layout hotkeys - if options enabled
+	*
+	* @see  _create() and addPane()
+	* @param {string=}	[panes=""]	The edge(s) to process
+	*/
+,	initHotkeys = function (panes) {
+		panes = panes ? panes.split(",") : _c.borderPanes;
+		// bind keyDown to capture hotkeys, if option enabled for ANY pane
+		$.each(panes, function (i, pane) {
+			var o = options[pane];
+			if (o.enableCursorHotkey || o.customHotkey) {
+				$(document).bind("keydown."+ sID, keyDown); // only need to bind this ONCE
+				return false; // BREAK - binding was done
+			}
+		});
+	}
+
+	/**
+	* Build final OPTIONS data
+	*
+	* @see  _create()
+	*/
+,	initOptions = function () {
+		var data, d, pane, key, val, i, c, o;
+
+		// reprocess user's layout-options to have correct options sub-key structure
+		opts = $.layout.transformData( opts ); // panes = default subkey
+
+		// auto-rename old options for backward compatibility
+		opts = $.layout.backwardCompatibility.renameAllOptions( opts );
+
+		// if user-options has 'panes' key (pane-defaults), clean it...
+		if (!$.isEmptyObject(opts.panes)) {
+			// REMOVE any pane-defaults that MUST be set per-pane
+			data = $.layout.optionsMap.noDefault;
+			for (i=0, c=data.length; i<c; i++) {
+				key = data[i];
+				delete opts.panes[key]; // OK if does not exist
+			}
+			// REMOVE any layout-options specified under opts.panes
+			data = $.layout.optionsMap.layout;
+			for (i=0, c=data.length; i<c; i++) {
+				key = data[i];
+				delete opts.panes[key]; // OK if does not exist
+			}
+		}
+
+		// MOVE any NON-layout-options from opts-root to opts.panes
+		data = $.layout.optionsMap.layout;
+		var rootKeys = $.layout.config.optionRootKeys;
+		for (key in opts) {
+			val = opts[key];
+			if ($.inArray(key, rootKeys) < 0 && $.inArray(key, data) < 0) {
+				if (!opts.panes[key])
+					opts.panes[key] = $.isPlainObject(val) ? $.extend(true, {}, val) : val;
+				delete opts[key]
+			}
+		}
+
+		// START by updating ALL options from opts
+		$.extend(true, options, opts);
+
+		// CREATE final options (and config) for EACH pane
+		$.each(_c.allPanes, function (i, pane) {
+
+			// apply 'pane-defaults' to CONFIG.[PANE]
+			_c[pane] = $.extend(true, {}, _c.panes, _c[pane]);
+
+			d = options.panes;
+			o = options[pane];
+
+			// center-pane uses SOME keys in defaults.panes branch
+			if (pane === 'center') {
+				// ONLY copy keys from opts.panes listed in: $.layout.optionsMap.center
+				data = $.layout.optionsMap.center;		// list of 'center-pane keys'
+				for (i=0, c=data.length; i<c; i++) {	// loop the list...
+					key = data[i];
+					// only need to use pane-default if pane-specific value not set
+					if (!opts.center[key] && (opts.panes[key] || !o[key]))
+						o[key] = d[key]; // pane-default
+				}
+			}
+			else {
+				// border-panes use ALL keys in defaults.panes branch
+				o = options[pane] = $.extend(true, {}, d, o); // re-apply pane-specific opts AFTER pane-defaults
+				createFxOptions( pane );
+				// ensure all border-pane-specific base-classes exist
+				if (!o.resizerClass)	o.resizerClass	= "ui-layout-resizer";
+				if (!o.togglerClass)	o.togglerClass	= "ui-layout-toggler";
+			}
+			// ensure we have base pane-class (ALL panes)
+			if (!o.paneClass) o.paneClass = "ui-layout-pane";
+		});
+
+		// update options.zIndexes if a zIndex-option specified
+		var zo	= opts.zIndex
+		,	z	= options.zIndexes;
+		if (zo > 0) {
+			z.pane_normal		= zo;
+			z.content_mask		= max(zo+1, z.content_mask);	// MIN = +1
+			z.resizer_normal	= max(zo+2, z.resizer_normal);	// MIN = +2
+		}
+
+		// DELETE 'panes' key now that we are done - values were copied to EACH pane
+		delete options.panes;
+
+
+		function createFxOptions ( pane ) {
+			var	o = options[pane]
+			,	d = options.panes;
+			// ensure fxSettings key to avoid errors
+			if (!o.fxSettings) o.fxSettings = {};
+			if (!d.fxSettings) d.fxSettings = {};
+
+			$.each(["_open","_close","_size"], function (i,n) { 
+				var
+					sName		= "fxName"+ n
+				,	sSpeed		= "fxSpeed"+ n
+				,	sSettings	= "fxSettings"+ n
+					// recalculate fxName according to specificity rules
+				,	fxName = o[sName] =
+						o[sName]	// options.west.fxName_open
+					||	d[sName]	// options.panes.fxName_open
+					||	o.fxName	// options.west.fxName
+					||	d.fxName	// options.panes.fxName
+					||	"none"		// MEANS $.layout.defaults.panes.fxName == "" || false || null || 0
+				;
+				// validate fxName to ensure is valid effect - MUST have effect-config data in options.effects
+				if (fxName === "none" || !$.effects || !$.effects[fxName] || !options.effects[fxName])
+					fxName = o[sName] = "none"; // effect not loaded OR unrecognized fxName
+
+				// set vars for effects subkeys to simplify logic
+				var	fx		= options.effects[fxName] || {}	// effects.slide
+				,	fx_all	= fx.all	|| null				// effects.slide.all
+				,	fx_pane	= fx[pane]	|| null				// effects.slide.west
+				;
+				// create fxSpeed[_open|_close|_size]
+				o[sSpeed] =
+					o[sSpeed]				// options.west.fxSpeed_open
+				||	d[sSpeed]				// options.west.fxSpeed_open
+				||	o.fxSpeed				// options.west.fxSpeed
+				||	d.fxSpeed				// options.panes.fxSpeed
+				||	null					// DEFAULT - let fxSetting.duration control speed
+				;
+				// create fxSettings[_open|_close|_size]
+				o[sSettings] = $.extend(
+					true
+				,	{}
+				,	fx_all					// effects.slide.all
+				,	fx_pane					// effects.slide.west
+				,	d.fxSettings			// options.panes.fxSettings
+				,	o.fxSettings			// options.west.fxSettings
+				,	d[sSettings]			// options.panes.fxSettings_open
+				,	o[sSettings]			// options.west.fxSettings_open
+				);
+			});
+
+			// DONE creating action-specific-settings for this pane,
+			// so DELETE generic options - are no longer meaningful
+			delete o.fxName;
+			delete o.fxSpeed;
+			delete o.fxSettings;
+		}
+	}
+
+	/**
+	* Initialize module objects, styling, size and position for all panes
+	*
+	* @see  _initElements()
+	* @param {string}	pane		The pane to process
+	*/
+,	getPane = function (pane) {
+		var sel = options[pane].paneSelector
+		if (sel.substr(0,1)==="#") // ID selector
+			// NOTE: elements selected 'by ID' DO NOT have to be 'children'
+			return $N.find(sel).eq(0);
+		else { // class or other selector
+			var $P = $N.children(sel).eq(0);
+			// look for the pane nested inside a 'form' element
+			return $P.length ? $P : $N.children("form:first").children(sel).eq(0);
+		}
+	}
+
+,	initPanes = function (evt) {
+		// stopPropagation if called by trigger("layoutinitpanes") - use evtPane utility 
+		evtPane(evt);
+
+		// NOTE: do north & south FIRST so we can measure their height - do center LAST
+		$.each(_c.allPanes, function (idx, pane) {
+			addPane( pane, true );
+		});
+
+		// init the pane-handles NOW in case we have to hide or close the pane below
+		initHandles();
+
+		// now that all panes have been initialized and initially-sized,
+		// make sure there is really enough space available for each pane
+		$.each(_c.borderPanes, function (i, pane) {
+			if ($Ps[pane] && state[pane].isVisible) { // pane is OPEN
+				setSizeLimits(pane);
+				makePaneFit(pane); // pane may be Closed, Hidden or Resized by makePaneFit()
+			}
+		});
+		// size center-pane AGAIN in case we 'closed' a border-pane in loop above
+		sizeMidPanes("center");
+
+		//	Chrome/Webkit sometimes fires callbacks BEFORE it completes resizing!
+		//	Before RC30.3, there was a 10ms delay here, but that caused layout 
+		//	to load asynchrously, which is BAD, so try skipping delay for now
+
+		// process pane contents and callbacks, and init/resize child-layout if exists
+		$.each(_c.allPanes, function (i, pane) {
+			var o = options[pane];
+			if ($Ps[pane]) {
+				if (state[pane].isVisible) { // pane is OPEN
+					sizeContent(pane);
+					// trigger pane.onResize if triggerEventsOnLoad = true
+					if (o.triggerEventsOnLoad)
+						_runCallbacks("onresize_end", pane);
+				else // automatic if onresize called, otherwise call it specifically
+					// resize child - IF inner-layout already exists (created before this layout)
+					resizeChildLayout(pane);
+				}
+				// init childLayout - even if pane is not visible
+				if (o.initChildLayout && o.childOptions)
+					createChildLayout(pane);
+			}
+		});
+	}
+
+	/**
+	* Add a pane to the layout - subroutine of initPanes()
+	*
+	* @see  initPanes()
+	* @param {string}	pane			The pane to process
+	* @param {boolean=}	[force=false]	Size content after init
+	*/
+,	addPane = function (pane, force) {
+		if (!force && !isInitialized()) return;
+		var
+			o		= options[pane]
+		,	s		= state[pane]
+		,	c		= _c[pane]
+		,	fx		= s.fx
+		,	dir		= c.dir
+		,	spacing	= o.spacing_open || 0
+		,	isCenter = (pane === "center")
+		,	CSS		= {}
+		,	$P		= $Ps[pane]
+		,	size, minSize, maxSize
+		;
+		// if pane-pointer already exists, remove the old one first
+		if ($P)
+			removePane( pane, false, true, false );
+		else
+			$Cs[pane] = false; // init
+
+		$P = $Ps[pane] = getPane(pane);
+		if (!$P.length) {
+			$Ps[pane] = false; // logic
+			return;
+		}
+
+		// SAVE original Pane CSS
+		if (!$P.data("layoutCSS")) {
+			var props = "position,top,left,bottom,right,width,height,overflow,zIndex,display,backgroundColor,padding,margin,border";
+			$P.data("layoutCSS", elCSS($P, props));
+		}
+
+		// create alias for pane data in Instance - initHandles will add more
+		Instance[pane] = { name: pane, pane: $Ps[pane], content: $Cs[pane], options: options[pane], state: state[pane], child: children[pane] };
+
+		// add classes, attributes & events
+		$P	.data({
+				parentLayout:	Instance		// pointer to Layout Instance
+			,	layoutPane:		Instance[pane]	// NEW pointer to pane-alias-object
+			,	layoutEdge:		pane
+			,	layoutRole:		"pane"
+			})
+			.css(c.cssReq).css("zIndex", options.zIndexes.pane_normal)
+			.css(o.applyDemoStyles ? c.cssDemo : {}) // demo styles
+			.addClass( o.paneClass +" "+ o.paneClass+"-"+pane ) // default = "ui-layout-pane ui-layout-pane-west" - may be a dupe of 'paneSelector'
+			.bind("mouseenter."+ sID, addHover )
+			.bind("mouseleave."+ sID, removeHover )
+			;
+		var paneMethods = {
+				hide:				''
+			,	show:				''
+			,	toggle:				''
+			,	close:				''
+			,	open:				''
+			,	slideOpen:			''
+			,	slideClose:			''
+			,	slideToggle:		''
+			,	size:				'sizePane'
+			,	sizePane:			'sizePane'
+			,	sizeContent:		''
+			,	sizeHandles:		''
+			,	enableClosable:		''
+			,	disableClosable:	''
+			,	enableSlideable:	''
+			,	disableSlideable:	''
+			,	enableResizable:	''
+			,	disableResizable:	''
+			,	swapPanes:			'swapPanes'
+			,	swap:				'swapPanes'
+			,	move:				'swapPanes'
+			,	removePane:			'removePane'
+			,	remove:				'removePane'
+			,	createChildLayout:	''
+			,	resizeChildLayout:	''
+			,	resizeAll:			'resizeAll'
+			,	resizeLayout:		'resizeAll'
+			}
+		,	name;
+		// loop hash and bind all methods - include layoutID namespacing
+		for (name in paneMethods) {
+			$P.bind("layoutpane"+ name.toLowerCase() +"."+ sID, Instance[ paneMethods[name] || name ]);
+		}
+
+		// see if this pane has a 'scrolling-content element'
+		initContent(pane, false); // false = do NOT sizeContent() - called later
+
+		if (!isCenter) {
+			// call _parseSize AFTER applying pane classes & styles - but before making visible (if hidden)
+			// if o.size is auto or not valid, then MEASURE the pane and use that as its 'size'
+			size	= s.size = _parseSize(pane, o.size);
+			minSize	= _parseSize(pane,o.minSize) || 1;
+			maxSize	= _parseSize(pane,o.maxSize) || 100000;
+			if (size > 0) size = max(min(size, maxSize), minSize);
+
+			// state for border-panes
+			s.isClosed  = false; // true = pane is closed
+			s.isSliding = false; // true = pane is currently open by 'sliding' over adjacent panes
+			s.isResizing= false; // true = pane is in process of being resized
+			s.isHidden	= false; // true = pane is hidden - no spacing, resizer or toggler is visible!
+
+			// array for 'pin buttons' whose classNames are auto-updated on pane-open/-close
+			if (!s.pins) s.pins = [];
+		}
+		//	states common to ALL panes
+		s.tagName	= $P[0].tagName;
+		s.edge		= pane;		// useful if pane is (or about to be) 'swapped' - easy find out where it is (or is going)
+		s.noRoom	= false;	// true = pane 'automatically' hidden due to insufficient room - will unhide automatically
+		s.isVisible	= true;		// false = pane is invisible - closed OR hidden - simplify logic
+
+		// set css-position to account for container borders & padding
+		switch (pane) {
+			case "north": 	CSS.top 	= sC.insetTop;
+							CSS.left 	= sC.insetLeft;
+							CSS.right	= sC.insetRight;
+							break;
+			case "south": 	CSS.bottom	= sC.insetBottom;
+							CSS.left 	= sC.insetLeft;
+							CSS.right 	= sC.insetRight;
+							break;
+			case "west": 	CSS.left 	= sC.insetLeft; // top, bottom & height set by sizeMidPanes()
+							break;
+			case "east": 	CSS.right 	= sC.insetRight; // ditto
+							break;
+			case "center":	// top, left, width & height set by sizeMidPanes()
+		}
+
+		if (dir === "horz") // north or south pane
+			CSS.height = cssH($P, size);
+		else if (dir === "vert") // east or west pane
+			CSS.width = cssW($P, size);
+		//else if (isCenter) {}
+
+		$P.css(CSS); // apply size -- top, bottom & height will be set by sizeMidPanes
+		if (dir != "horz") sizeMidPanes(pane, true); // true = skipCallback
+
+		// close or hide the pane if specified in settings
+		if (o.initClosed && o.closable && !o.initHidden)
+			close(pane, true, true); // true, true = force, noAnimation
+		else if (o.initHidden || o.initClosed)
+			hide(pane); // will be completely invisible - no resizer or spacing
+		else if (!s.noRoom)
+			// make the pane visible - in case was initially hidden
+			$P.css("display","block");
+		// ELSE setAsOpen() - called later by initHandles()
+
+		// RESET visibility now - pane will appear IF display:block
+		$P.css("visibility","visible");
+
+		// check option for auto-handling of pop-ups & drop-downs
+		if (o.showOverflowOnHover)
+			$P.hover( allowOverflow, resetOverflow );
+
+		// if manually adding a pane AFTER layout initialization, then...
+		if (state.initialized) {
+			initHandles( pane );
+			initHotkeys( pane );
+			resizeAll(); // will sizeContent if pane is visible
+			if (s.isVisible) { // pane is OPEN
+				if (o.triggerEventsOnLoad)
+					_runCallbacks("onresize_end", pane);
+				else // automatic if onresize called, otherwise call it specifically
+					// resize child - IF inner-layout already exists (created before this layout)
+					resizeChildLayout(pane); // a previously existing childLayout
+			}
+			if (o.initChildLayout && o.childOptions)
+				createChildLayout(pane);
+		}
+	}
+
+	/**
+	* Initialize module objects, styling, size and position for all resize bars and toggler buttons
+	*
+	* @see  _create()
+	* @param {string=}	[panes=""]	The edge(s) to process
+	*/
+,	initHandles = function (panes) {
+		panes = panes ? panes.split(",") : _c.borderPanes;
+
+		// create toggler DIVs for each pane, and set object pointers for them, eg: $R.north = north toggler DIV
+		$.each(panes, function (i, pane) {
+			var $P		= $Ps[pane];
+			$Rs[pane]	= false; // INIT
+			$Ts[pane]	= false;
+			if (!$P) return; // pane does not exist - skip
+
+			var 
+				o		= options[pane]
+			,	s		= state[pane]
+			,	c		= _c[pane]
+			,	paneId	= o.paneSelector.substr(0,1) === "#" ? o.paneSelector.substr(1) : ""
+			,	rClass	= o.resizerClass
+			,	tClass	= o.togglerClass
+			,	side	= c.side.toLowerCase()
+			,	spacing	= (s.isVisible ? o.spacing_open : o.spacing_closed)
+			,	_pane	= "-"+ pane // used for classNames
+			,	_state	= (s.isVisible ? "-open" : "-closed") // used for classNames
+			,	I		= Instance[pane]
+				// INIT RESIZER BAR
+			,	$R		= I.resizer = $Rs[pane] = $("<div></div>")
+				// INIT TOGGLER BUTTON
+			,	$T		= I.toggler = (o.closable ? $Ts[pane] = $("<div></div>") : false)
+			;
+
+			//if (s.isVisible && o.resizable) ... handled by initResizable
+			if (!s.isVisible && o.slidable)
+				$R.attr("title", o.tips.Slide).css("cursor", o.sliderCursor);
+
+			$R	// if paneSelector is an ID, then create a matching ID for the resizer, eg: "#paneLeft" => "paneLeft-resizer"
+				.attr("id", paneId ? paneId +"-resizer" : "" )
+				.data({
+					parentLayout:	Instance
+				,	layoutPane:		Instance[pane]	// NEW pointer to pane-alias-object
+				,	layoutEdge:		pane
+				,	layoutRole:		"resizer"
+				})
+				.css(_c.resizers.cssReq).css("zIndex", options.zIndexes.resizer_normal)
+				.css(o.applyDemoStyles ? _c.resizers.cssDemo : {}) // add demo styles
+				.addClass(rClass +" "+ rClass+_pane)
+				.hover(addHover, removeHover) // ALWAYS add hover-classes, even if resizing is not enabled - handle with CSS instead
+				.hover(onResizerEnter, onResizerLeave) // ALWAYS NEED resizer.mouseleave to balance toggler.mouseenter
+				.appendTo($N) // append DIV to container
+			;
+
+			if ($T) {
+				$T	// if paneSelector is an ID, then create a matching ID for the resizer, eg: "#paneLeft" => "#paneLeft-toggler"
+					.attr("id", paneId ? paneId +"-toggler" : "" )
+					.data({
+						parentLayout:	Instance
+					,	layoutPane:		Instance[pane]	// NEW pointer to pane-alias-object
+					,	layoutEdge:		pane
+					,	layoutRole:		"toggler"
+					})
+					.css(_c.togglers.cssReq) // add base/required styles
+					.css(o.applyDemoStyles ? _c.togglers.cssDemo : {}) // add demo styles
+					.addClass(tClass +" "+ tClass+_pane)
+					.hover(addHover, removeHover) // ALWAYS add hover-classes, even if toggling is not enabled - handle with CSS instead
+					.bind("mouseenter", onResizerEnter) // NEED toggler.mouseenter because mouseenter MAY NOT fire on resizer
+					.appendTo($R) // append SPAN to resizer DIV
+				;
+				// ADD INNER-SPANS TO TOGGLER
+				if (o.togglerContent_open) // ui-layout-open
+					$("<span>"+ o.togglerContent_open +"</span>")
+						.data({
+							layoutEdge:		pane
+						,	layoutRole:		"togglerContent"
+						})
+						.data("layoutRole", "togglerContent")
+						.data("layoutEdge", pane)
+						.addClass("content content-open")
+						.css("display","none")
+						.appendTo( $T )
+						//.hover( addHover, removeHover ) // use ui-layout-toggler-west-hover .content-open instead!
+					;
+				if (o.togglerContent_closed) // ui-layout-closed
+					$("<span>"+ o.togglerContent_closed +"</span>")
+						.data({
+							layoutEdge:		pane
+						,	layoutRole:		"togglerContent"
+						})
+						.addClass("content content-closed")
+						.css("display","none")
+						.appendTo( $T )
+						//.hover( addHover, removeHover ) // use ui-layout-toggler-west-hover .content-closed instead!
+					;
+				// ADD TOGGLER.click/.hover
+				enableClosable(pane);
+			}
+
+			// add Draggable events
+			initResizable(pane);
+
+			// ADD CLASSNAMES & SLIDE-BINDINGS - eg: class="resizer resizer-west resizer-open"
+			if (s.isVisible)
+				setAsOpen(pane);	// onOpen will be called, but NOT onResize
+			else {
+				setAsClosed(pane);	// onClose will be called
+				bindStartSlidingEvent(pane, true); // will enable events IF option is set
+			}
+
+		});
+
+		// SET ALL HANDLE DIMENSIONS
+		sizeHandles();
+	}
+
+
+	/**
+	* Initialize scrolling ui-layout-content div - if exists
+	*
+	* @see  initPane() - or externally after an Ajax injection
+	* @param {string}	[pane]			The pane to process
+	* @param {boolean=}	[resize=true]	Size content after init
+	*/
+,	initContent = function (pane, resize) {
+		if (!isInitialized()) return;
+		var 
+			o	= options[pane]
+		,	sel	= o.contentSelector
+		,	I	= Instance[pane]
+		,	$P	= $Ps[pane]
+		,	$C
+		;
+		if (sel) $C = I.content = $Cs[pane] = (o.findNestedContent)
+			? $P.find(sel).eq(0) // match 1-element only
+			: $P.children(sel).eq(0)
+		;
+		if ($C && $C.length) {
+			$C.data("layoutRole", "content");
+			// SAVE original Pane CSS
+			if (!$C.data("layoutCSS"))
+				$C.data("layoutCSS", elCSS($C, "height"));
+			$C.css( _c.content.cssReq );
+			if (o.applyDemoStyles) {
+				$C.css( _c.content.cssDemo ); // add padding & overflow: auto to content-div
+				$P.css( _c.content.cssDemoPane ); // REMOVE padding/scrolling from pane
+			}
+			state[pane].content = {}; // init content state
+			if (resize !== false) sizeContent(pane);
+			// sizeContent() is called AFTER init of all elements
+		}
+		else
+			I.content = $Cs[pane] = false;
+	}
+
+
+	/**
+	* Add resize-bars to all panes that specify it in options
+	* -dependancy: $.fn.resizable - will skip if not found
+	*
+	* @see  _create()
+	* @param {string=}	[panes=""]	The edge(s) to process
+	*/
+,	initResizable = function (panes) {
+		var	draggingAvailable = $.layout.plugins.draggable
+		,	side // set in start()
+		;
+		panes = panes ? panes.split(",") : _c.borderPanes;
+
+		$.each(panes, function (idx, pane) {
+			var o = options[pane];
+			if (!draggingAvailable || !$Ps[pane] || !o.resizable) {
+				o.resizable = false;
+				return true; // skip to next
+			}
+
+			var s		= state[pane]
+			,	z		= options.zIndexes
+			,	c		= _c[pane]
+			,	side	= c.dir=="horz" ? "top" : "left"
+			,	opEdge	= _c.oppositeEdge[pane]
+			,	masks	=  pane +",center,"+ opEdge + (c.dir=="horz" ? ",west,east" : "")
+			,	$P 		= $Ps[pane]
+			,	$R		= $Rs[pane]
+			,	base	= o.resizerClass
+			,	lastPos	= 0 // used when live-resizing
+			,	r, live // set in start because may change
+			//	'drag' classes are applied to the ORIGINAL resizer-bar while dragging is in process
+			,	resizerClass		= base+"-drag"				// resizer-drag
+			,	resizerPaneClass	= base+"-"+pane+"-drag"		// resizer-north-drag
+			//	'helper' class is applied to the CLONED resizer-bar while it is being dragged
+			,	helperClass			= base+"-dragging"			// resizer-dragging
+			,	helperPaneClass		= base+"-"+pane+"-dragging" // resizer-north-dragging
+			,	helperLimitClass	= base+"-dragging-limit"	// resizer-drag
+			,	helperPaneLimitClass = base+"-"+pane+"-dragging-limit"	// resizer-north-drag
+			,	helperClassesSet	= false 					// logic var
+			;
+
+			if (!s.isClosed)
+				$R.attr("title", o.tips.Resize)
+				  .css("cursor", o.resizerCursor); // n-resize, s-resize, etc
+
+			$R.draggable({
+				containment:	$N[0] // limit resizing to layout container
+			,	axis:			(c.dir=="horz" ? "y" : "x") // limit resizing to horz or vert axis
+			,	delay:			0
+			,	distance:		1
+			,	grid:			o.resizingGrid
+			//	basic format for helper - style it using class: .ui-draggable-dragging
+			,	helper:			"clone"
+			,	opacity:		o.resizerDragOpacity
+			,	addClasses:		false // avoid ui-state-disabled class when disabled
+			//,	iframeFix:		o.draggableIframeFix // TODO: consider using when bug is fixed
+			,	zIndex:			z.resizer_drag
+
+			,	start: function (e, ui) {
+					// REFRESH options & state pointers in case we used swapPanes
+					o = options[pane];
+					s = state[pane];
+					// re-read options
+					live = o.livePaneResizing;
+
+					// ondrag_start callback - will CANCEL hide if returns false
+					// TODO: dragging CANNOT be cancelled like this, so see if there is a way?
+					if (false === _runCallbacks("ondrag_start", pane)) return false;
+
+					s.isResizing	= true; // prevent pane from closing while resizing
+					timer.clear(pane+"_closeSlider"); // just in case already triggered
+
+					// SET RESIZER LIMITS - used in drag()
+					setSizeLimits(pane); // update pane/resizer state
+					r = s.resizerPosition;
+					lastPos = ui.position[ side ]
+
+					$R.addClass( resizerClass +" "+ resizerPaneClass ); // add drag classes
+					helperClassesSet = false; // reset logic var - see drag()
+
+					// DISABLE TEXT SELECTION (probably already done by resizer.mouseOver)
+					$('body').disableSelection(); 
+
+					// MASK PANES CONTAINING IFRAMES, APPLETS OR OTHER TROUBLESOME ELEMENTS
+					showMasks( masks );
+				}
+
+			,	drag: function (e, ui) {
+					if (!helperClassesSet) { // can only add classes after clone has been added to the DOM
+						//$(".ui-draggable-dragging")
+						ui.helper
+							.addClass( helperClass +" "+ helperPaneClass ) // add helper classes
+							.css({ right: "auto", bottom: "auto" })	// fix dir="rtl" issue
+							.children().css("visibility","hidden")	// hide toggler inside dragged resizer-bar
+						;
+						helperClassesSet = true;
+						// draggable bug!? RE-SET zIndex to prevent E/W resize-bar showing through N/S pane!
+						if (s.isSliding) $Ps[pane].css("zIndex", z.pane_sliding);
+					}
+					// CONTAIN RESIZER-BAR TO RESIZING LIMITS
+					var limit = 0;
+					if (ui.position[side] < r.min) {
+						ui.position[side] = r.min;
+						limit = -1;
+					}
+					else if (ui.position[side] > r.max) {
+						ui.position[side] = r.max;
+						limit = 1;
+					}
+					// ADD/REMOVE dragging-limit CLASS
+					if (limit) {
+						ui.helper.addClass( helperLimitClass +" "+ helperPaneLimitClass ); // at dragging-limit
+						window.defaultStatus = (limit>0 && pane.match(/(north|west)/)) || (limit<0 && pane.match(/(south|east)/)) ? o.tips.maxSizeWarning : o.tips.minSizeWarning;
+					}
+					else {
+						ui.helper.removeClass( helperLimitClass +" "+ helperPaneLimitClass ); // not at dragging-limit
+						window.defaultStatus = "";
+					}
+					// DYNAMICALLY RESIZE PANES IF OPTION ENABLED
+					// won't trigger unless resiz

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