/******************************************************************************
Author:  Joakim Lundberg
******************************************************************************/

var lisnav = 
{
// Language strings
lang : {
	loadingText : 'Loading...',
	loadingTitle : 'Click to cancel loading',
	focusTitle : 'Click to show',
	fullExpandTitle : 'Show full size',
	creditsText : 'Laidback Solutions AB',
	creditsTitle : '',
	restoreTitle : unescape('Click to close this window, click and drag to move')
},

graphicsDir : '../_style/graphics/',
subnavbackground : 'bg-subnav.png', 
restoreCursor : 'zoomout.cur', // necessary for preload
expandSteps : 50, // number of steps in zoom. Each step lasts for duration/step milliseconds.
expandDuration : 100, // milliseconds
restoreSteps : 50,
restoreDuration : 100,
marginLeft : 15,
marginRight : 15,
marginTop : 15,
marginBottom : 15,
zIndexCounter : 1001, // adjust to other absolutely positioned elements
loadingOpacity : 0.75,
allowMultipleInstances: true,
numberOfImagesToPreload : 5,
outlineWhileAnimating : 2, // 0 = never, 1 = always, 2 = HTML only 
outlineStartOffset : 3, // ends at 10
fullExpandPosition : 'bottom right',
fullExpandOpacity : 1,
padToMinWidth : true, // pad the popup width to make room for wide caption
showCredits : false, // you can set this to false if you want
creditsHref : '',
enableKeyListener : false,

dragByHeading: true,
minWidth: 200,
minHeight: 200,
allowSizeReduction: true, // allow the image to reduce to fit client size. If false, this overrides minWidth and minHeight
outlineType : 'drop-shadow', // set null to disable outlines
wrapperClassName : 'imageslide-wrapper', // for enhanced css-control
// END OF YOUR SETTINGS


// declare internal properties
preloadTheseImages : [],
continuePreloading: true,
expanders : [],
overrides : [
	'allowSizeReduction',
	'outlineType',
	'outlineWhileAnimating',
	'captionId',
	'captionText',
	'captionEval',
	'captionOverlay',
	'headingId',
	'headingText',
	'headingEval',
	'headingOverlay',
	'dragByHeading',
	
	'wrapperClassName',
	'minWidth',
	'minHeight',
	'maxWidth',
	'maxHeight',
	'slideshowGroup',
	'easing',
	'easingClose',
	'fadeInOut',
	'src'
],
overlays : [],
idCounter : 0,
oPos : {
	x: ['leftpanel', 'left', 'center', 'right', 'rightpanel'],
	y: ['above', 'top', 'middle', 'bottom', 'below']
},
mouse: {},
headingOverlay: {},
captionOverlay: {},
faders : [],

pendingOutlines : {},
clones : {},
ie : (document.all && !window.opera),
safari : /Safari/.test(navigator.userAgent),
geckoMac : /Macintosh.+rv:1\.[0-8].+Gecko/.test(navigator.userAgent),

$ : function (id) {
	return document.getElementById(id);
},

push : function (arr, val) {
	arr[arr.length] = val;
},

createElement : function (tag, attribs, styles, parent, nopad) {
	var el = document.createElement(tag);
	if (attribs) lisnav.setAttribs(el, attribs);
	if (nopad) lisnav.setStyles(el, {padding: 0, border: 'none', margin: 0});
	if (styles) lisnav.setStyles(el, styles);
	if (parent) parent.appendChild(el);	
	return el;
},

setAttribs : function (el, attribs) {
	for (var x in attribs) el[x] = attribs[x];
},

setStyles : function (el, styles) {
	for (var x in styles) {
		if (lisnav.ie && x == 'opacity') {
			if (styles[x] > 0.99) el.style.removeAttribute('filter');
			else el.style.filter = 'alpha(opacity='+ (styles[x] * 100) +')';
		}
		else el.style[x] = styles[x];
	}
},

ieVersion : function () {
	var arr = navigator.appVersion.split("MSIE");
	return arr[1] ? parseFloat(arr[1]) : null;
},

getPageSize : function () {
	var iebody = document.compatMode && document.compatMode != 'BackCompat' 
		? document.documentElement : document.body;
	
	var width = lisnav.ie ? iebody.clientWidth : 
			(document.documentElement.clientWidth || self.innerWidth),
		height = lisnav.ie ? iebody.clientHeight : self.innerHeight;
	
	return {
		width: width,
		height: height,		
		scrollLeft: lisnav.ie ? iebody.scrollLeft : pageXOffset,
		scrollTop: lisnav.ie ? iebody.scrollTop : pageYOffset
	}
},

getPosition : function(el)	{
	var p = { x: el.offsetLeft, y: el.offsetTop };
	while (el.offsetParent)	{
		el = el.offsetParent;
		p.x += el.offsetLeft;
		p.y += el.offsetTop;
		if (el != document.body && el != document.documentElement) {
			p.x -= el.scrollLeft;
			p.y -= el.scrollTop;
		}
	}
	return p;
},
expand : function(a, params, custom, strText, preferredWidth) {
	if (a.getParams) return params;
	
	try {	
		new lisnav.Expander(a, params, custom, null, strText, preferredWidth);
		return false;		
	} catch (e) 
	{ 
		return true; 
	}
},


focusTopmost : function() {
	var topZ = 0, topmostKey = -1;
	for (var i = 0; i < lisnav.expanders.length; i++) {
		if (lisnav.expanders[i]) {
			if (lisnav.expanders[i].wrapper.style.zIndex && lisnav.expanders[i].wrapper.style.zIndex > topZ) {
				topZ = lisnav.expanders[i].wrapper.style.zIndex;
				
				topmostKey = i;
			}
		}
	}
	if (topmostKey == -1) lisnav.focusKey = -1;
	else lisnav.expanders[topmostKey].focus();
},

getParam : function (a, param) {
	a.getParams = a.onclick;
	var p = a.getParams ? a.getParams() : null;
	a.getParams = null;
	
	return (p && typeof p[param] != 'undefined') ? p[param] : 
		(typeof lisnav[param] != 'undefined' ? lisnav[param] : null);
},

getSrc : function (a) {
	var src = lisnav.getParam(a, 'src');
	if (src) return src;
	return a.href;
},

getNode : function (id) {
	var node = lisnav.$(id), clone = lisnav.clones[id], a = {};
	if (!node && !clone) return null;
	if (!clone) {
		clone = node.cloneNode(true);
		clone.id = '';
		lisnav.clones[id] = clone;
		return node;
	} else {
		return clone.cloneNode(true);
	}
},

discardElement : function(d) {
	lisnav.garbageBin.appendChild(d);
	lisnav.garbageBin.innerHTML = '';
},

previousOrNext : function (el, op) {
	lisnav.updateAnchors();
	var exp = lisnav.last = lisnav.getExpander(el);
	try {
		var adj = lisnav.upcoming =  exp.getAdjacentAnchor(op);
		adj.onclick(); 		
	} catch (e){
		lisnav.last = lisnav.upcoming = null;
	}
	try { exp.close(); } catch (e) {}
	return false;
},

previous : function (el) {
	return lisnav.previousOrNext(el, -1);
},

next : function (el) {
	return lisnav.previousOrNext(el, 1);	
},

keyHandler : function(e) {
	if (!e) e = window.event;
	if (!e.target) e.target = e.srcElement; // ie
	if (e.target.form) return true; // form element has focus
	
	var op = null;
	switch (e.keyCode) {
		case 32: // Space
		case 34: // Page Down
		case 39: // Arrow right
		case 40: // Arrow down
			op = 1;
			break;
		case 8:  // Backspace
		case 33: // Page Up
		case 37: // Arrow left
		case 38: // Arrow up
			op = -1;
			break;
		case 27: // Escape
		case 13: // Enter
			op = 0;
	}
	if (op !== null) {lisnav.removeEventListener(document, window.opera ? 'keypress' : 'keydown', lisnav.keyHandler);
		if (!lisnav.enableKeyListener) return true;
		
		if (e.preventDefault) e.preventDefault();
    	else e.returnValue = false;
    	
    	var exp = lisnav.getExpander();
    	if (exp) {
			if (op == 0) {
				exp.close();
			} else {
				lisnav.previousOrNext(exp.key, op);
			}
			return false;
		}
	}
	return true;
},


registerOverlay : function (overlay) {
	lisnav.push(lisnav.overlays, overlay);
},


getWrapperKey : function (element) {
	var el, re = /^imageslide-wrapper-([0-9]+)$/;
	// 1. look in open expanders
	el = element;
	while (el.parentNode)	{
		if (el.id && re.test(el.id)) return el.id.replace(re, "$1");
		el = el.parentNode;
	}
	// 2. look in thumbnail
	el = element;
	while (el.parentNode)	{
		if (el.tagName && lisnav.lisIsAnchor(el)) {
			for (var key = 0; key < lisnav.expanders.length; key++) {
				var exp = lisnav.expanders[key];
				if (exp && exp.a == el) return key;
			}
		}
		el = el.parentNode;
	}
	return null; 
},

getExpander : function (el) {
	if (typeof el == 'undefined') return lisnav.expanders[lisnav.focusKey] || null;
	if (typeof el == 'number') return lisnav.expanders[el] || null;
	if (typeof el == 'string') el = lisnav.$(el);
	return lisnav.expanders[lisnav.getWrapperKey(el)] || null;
},

lisIsAnchor : function (a) {
	return (a.onclick && a.onclick.toString().replace(/\s/g, ' ').match(/lisnav.(htmlE|e)xpand/));
},

reOrder : function () {
	for (var i = 0; i < lisnav.expanders.length; i++)
		if (lisnav.expanders[i] && lisnav.expanders[i].lisExpanded) lisnav.focusTopmost();
},

mouseClickHandler : function(e) 
{	
	if (!e) e = window.event;
	if (e.button > 1) return true;
	if (!e.target) e.target = e.srcElement;
	
	var el = e.target;
	while (el.parentNode
		&& !(/imageslide-(nav|image|move|html|resize)/.test(el.className)))
	{
		el = el.parentNode;
	}
	var exp = lisnav.getExpander(el);
	if (exp && (exp.lisClosing || !exp.lisExpanded)) return true;
		
	if (exp && e.type == 'mousedown') {
		if (e.target.form) return true;
		var match = el.className.match(/imageslide-(nav|image|move|resize)/);
		if (match) {
			lisnav.dragArgs = { exp: exp , type: match[1], left: exp.x.min, width: exp.x.span, top: exp.y.min, 
				height: exp.y.span, clickX: e.clientX, clickY: e.clientY };
			
			
			lisnav.addEventListener(document, 'mousemove', lisnav.dragHandler);
			if (e.preventDefault) e.preventDefault(); // FF
			
			if (/imageslide-(image|html)-blur/.test(exp.content.className)) {
				exp.focus();
				lisnav.hasFocused = true;
			}
			return false;
		}
	} else if (e.type == 'mouseup') {
		
		lisnav.removeEventListener(document, 'mousemove', lisnav.dragHandler);
		
		if (lisnav.dragArgs) {
			if (lisnav.dragArgs.type == 'image')
				lisnav.dragArgs.exp.content.style.cursor = lisnav.styleRestoreCursor;
			var hasDragged = lisnav.dragArgs.hasDragged;
			
			if (!hasDragged &&!lisnav.hasFocused && !/(move|resize)/.test(lisnav.dragArgs.type)) {
				exp.close();
			} 
			else if (hasDragged || (!hasDragged && lisnav.hasHtmlexpanders)) {
				lisnav.dragArgs.exp.redoShowHide();
			}
			
			lisnav.hasFocused = false;
			lisnav.dragArgs = null;
		
		} else if (/imageslide-nav-blur/.test(el.className)) {
			el.style.cursor = lisnav.styleRestoreCursor;		
		}
	}
	return false;
},

dragHandler : function(e)
{
	if (!lisnav.dragArgs) return true;
	if (!e) e = window.event;
	var a = lisnav.dragArgs, exp = a.exp;
	
	a.dX = e.clientX - a.clickX;
	a.dY = e.clientY - a.clickY;	
	
	var distance = Math.sqrt(Math.pow(a.dX, 2) + Math.pow(a.dY, 2));
	if (!a.hasDragged) a.hasDragged = (a.type != 'image' && distance > 0)
		|| (distance > (lisnav.dragSensitivity || 5));
	
	if (a.hasDragged && e.clientX > 5 && e.clientY > 5) {
		
		if (a.type == 'resize') exp.resize(a);
		else exp.move(a);
	}
	return false;
},

wrapperMouseHandler : function (e) {
	try {
		if (!e) e = window.event;
		var over = /mouseover/i.test(e.type); 
		if (!e.target) e.target = e.srcElement; // ie
		if (lisnav.ie) e.relatedTarget = 
			over ? e.fromElement : e.toElement; // ie
		var exp = lisnav.getExpander(e.target);
		if (!exp.lisExpanded) return;
		if (!exp || !e.relatedTarget || lisnav.getExpander(e.relatedTarget) == exp 
			|| lisnav.dragArgs) return;
		for (var i = 0; i < exp.overlays.length; i++) {
			var o = lisnav.$('lisId'+ exp.overlays[i]);
			if (o && o.hideOnMouseOut) {
				var from = over ? 0 : o.opacity,
					to = over ? o.opacity : 0;			
				lisnav.fade(o, from, to);
			}
		}	
	} catch (e) {}
},

addEventListener : function (el, event, func) {
	try {
		el.addEventListener(event, func, false);
	} catch (e) {
		try {
			el.detachEvent('on'+ event, func);
			el.attachEvent('on'+ event, func);
		} catch (e) {
			el['on'+ event] = func;
		}
	} 
},

removeEventListener : function (el, event, func) {
	try {
		el.removeEventListener(event, func, false);
	} catch (e) {
		try {
			el.detachEvent('on'+ event, func);
		} catch (e) {
			el['on'+ event] = null;
		}
	}
},

preloadFullImage : function (i) {
	if (lisnav.continuePreloading && lisnav.preloadTheseImages[i] && lisnav.preloadTheseImages[i] != 'undefined') {
		var img = document.createElement('img');
		img.onload = function() { 
			img = null;
			lisnav.preloadFullImage(i + 1);
		};
		img.src = lisnav.preloadTheseImages[i];
	}
},
preloadImages : function (number) {
	if (number && typeof number != 'object') lisnav.numberOfImagesToPreload = number;
	
	var arr = lisnav.getAnchors();
	for (var i = 0; i < arr.images.length && i < lisnav.numberOfImagesToPreload; i++) {
		lisnav.push(lisnav.preloadTheseImages, lisnav.getSrc(arr.images[i]));
	}
	
	// preload outlines
	if (lisnav.outlineType)	new lisnav.Outline(lisnav.outlineType, function () { lisnav.preloadFullImage(0)} );
	else
	
	lisnav.preloadFullImage(0);
	
	// preload cursor
	var cur = lisnav.createElement('img', { src: lisnav.graphicsDir + lisnav.restoreCursor });
},


init : function () {
	if (!lisnav.container) {
		lisnav.container = lisnav.createElement('div', 
			null, 
			{ position: 'absolute', left: 0, top: 0, width: '100%', zIndex: lisnav.zIndexCounter }, 
			document.body,
			true
		);
		lisnav.loading = lisnav.createElement('a', {
				className: 'imageslide-loading',
				title: lisnav.lang.loadingTitle,
				innerHTML: lisnav.lang.loadingText,
				href: 'javascript:;'
			}, {
				position: 'absolute',
				top: '-9999px',
				opacity: lisnav.loadingOpacity,
				zIndex: 1
			}, lisnav.container
		);
		lisnav.garbageBin = lisnav.createElement('div', null, { display: 'none' }, lisnav.container);
		
		// http://www.robertpenner.com/easing/ 
		Math.linearTween = function (t, b, c, d) {
			return c*t/d + b;
		};
		Math.easeInQuad = function (t, b, c, d) {
			return c*(t/=d)*t + b;
		};
		for (var x in lisnav.langDefaults) {
			if (typeof lisnav[x] != 'undefined') lisnav.lang[x] = lisnav[x];
			else if (typeof lisnav.lang[x] == 'undefined' && typeof lisnav.langDefaults[x] != 'undefined') 
				lisnav.lang[x] = lisnav.langDefaults[x];
		}
	}
},
domReady : function() {
	lisnav.lisDomReady = true;
	if (lisnav.onDomReady) lisnav.onDomReady();
},

updateAnchors : function() {
	var els = document.getElementsByTagName('*'), all = [], images = [],groups = {}, re;
	for (var i = 0; i < els.length; i++) {
		re = lisnav.lisIsAnchor(els[i]);
		if (re) {
			lisnav.push(all, els[i]);
			if (re[0] == 'lisnav.expand') lisnav.push(images, els[i]);
			var g = lisnav.getParam(els[i], 'slideshowGroup') || 'none';
			if (!groups[g]) groups[g] = [];
			lisnav.push(groups[g], els[i]);
		}
	}
	lisnav.anchors = { all: all, groups: groups, images: images };
	
	return lisnav.anchors;
},

getAnchors : function() {
	return lisnav.anchors || lisnav.updateAnchors();
},


fade : function (el, o, oFinal, dur, i, dir) {
	if (typeof i == 'undefined') { // new fader
		if (typeof dur != 'number') dur = 250;
		if (dur < 25) { // instant
			lisnav.setStyles( el, { opacity: oFinal	});
			return;
		}
		i = lisnav.faders.length;
		dir = oFinal > o ? 1 : -1;
		var step = (25 / (dur - dur % 25)) * Math.abs(o - oFinal);
	}
	o = parseFloat(o);
	var skip = (el.fade === 0 || el.fade === false || (el.fade == 2 && lisnav.ie));
	el.style.visibility = ((skip ? oFinal : o) <= 0) ? 'hidden' : 'visible';
	
	if (skip || o < 0 || (dir == 1 && o > oFinal)) return;
	
	if (el.fading && el.fading.i != i) { // reverse
		clearTimeout(lisnav.faders[el.fading.i]);
		o = el.fading.o;
	}
	el.fading = {i: i, o: o, step: (step || el.fading.step)};
	el.style.visibility = (o <= 0) ? 'hidden' : 'visible';
	lisnav.setStyles(el, { opacity: o });
	lisnav.faders[i] = setTimeout(function() {
		lisnav.fade(el, o + el.fading.step * dir, oFinal, null, i, dir);
	}, 25);
},

close : function(el) {
	var exp = lisnav.getExpander(el);
	if (exp) exp.close();
	return false;
}
}; // end lisnav object


//-----------------------------------------------------------------------------
lisnav.Outline =  function (outlineType, onLoad) {
	this.onLoad = onLoad;
	this.outlineType = outlineType;
	var v = lisnav.ieVersion(), tr;

	this.hasAlphaImageLoader = lisnav.ie && v >= 5.5 && v < 7;
	if (!outlineType) {
		if (onLoad) onLoad();
		return;
	}
	
	lisnav.init();
	this.table = lisnav.createElement(
		'table', { cellSpacing: 0 },
		{
			visibility: 'hidden',
			position: 'absolute',
			borderCollapse: 'collapse'
		},
		lisnav.container,
		true
	);
	var tbody = lisnav.createElement('tbody', null, null, this.table, 1);
	
	this.td = [];
	for (var i = 0; i <= 8; i++) {
		if (i % 3 == 0) tr = lisnav.createElement('tr', null, { height: 'auto' }, tbody, true);
		this.td[i] = lisnav.createElement('td', null, null, tr, true);
		var style = i != 4 ? { lineHeight: 0, fontSize: 0} : { position : 'relative' };
		lisnav.setStyles(this.td[i], style);
	}
	this.td[4].className = outlineType;
	
	this.preloadGraphic(); 
};

lisnav.Outline.prototype = {
preloadGraphic : function () {
	var src = lisnav.graphicsDir + (lisnav.outlinesDir || "outlines/")+ this.outlineType +".png";
				
	var appendTo = lisnav.safari ? lisnav.container : null;
	this.graphic = lisnav.createElement('img', null, { position: 'absolute', left: '-9999px', 
		top: '-9999px' }, appendTo, true); // for onload trigger
	
	var pThis = this;
	this.graphic.onload = function() { pThis.onGraphicLoad(); };
	this.graphic.src = src;
},

onGraphicLoad : function () {
	var o = this.offset = this.graphic.width / 4,
		pos = [[0,0],[0,-4],[-2,0],[0,-8],0,[-2,-8],[0,-2],[0,-6],[-2,-2]],
		dim = { height: (2*o) +'px', width: (2*o) +'px' };
	lisnav.discardElement(this.graphic);
	for (var i = 0; i <= 8; i++) {
		if (pos[i]) {
			if (this.hasAlphaImageLoader) {
				var w = (i == 1 || i == 7) ? '100%' : this.graphic.width +'px';
				var div = lisnav.createElement('div', null, { width: '100%', height: '100%', position: 'relative', overflow: 'hidden'}, this.td[i], true);
				lisnav.createElement ('div', null, { 
						filter: "progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale, src='"+ this.graphic.src + "')", 
						position: 'absolute',
						width: w, 
						height: this.graphic.height +'px',
						left: (pos[i][0]*o)+'px',
						top: (pos[i][1]*o)+'px'
					}, 
				div,
				true);
			} else {
				lisnav.setStyles(this.td[i], { background: 'url('+ this.graphic.src +') '+ (pos[i][0]*o)+'px '+(pos[i][1]*o)+'px'});
			}
			
			if (window.opera && (i == 3 || i ==5)) 
				lisnav.createElement('div', null, dim, this.td[i], true);
			
			lisnav.setStyles (this.td[i], dim);
		}
	}
	if (lisnav.pendingOutlines[this.outlineType]) lisnav.pendingOutlines[this.outlineType].destroy();
	lisnav.pendingOutlines[this.outlineType] = this;
	if (this.onLoad) this.onLoad();
},
	
setPosition : function (exp, pos, vis) {
	pos = pos || {
		x: exp.x.min,
		y: exp.y.min,
		w: exp.x.span + exp.x.p1 + exp.x.p2,
		h: exp.y.span + exp.y.p1 + exp.y.p2
	};
	if (vis) this.table.style.visibility = (pos.h >= 4 * this.offset) 
		? 'visible' : 'hidden';
	lisnav.setStyles(this.table, {
		left: (pos.x - this.offset) +'px',
		top: (pos.y - this.offset) +'px',
		width: (pos.w + 2 * (exp.x.cb + this.offset)) +'px'
	});
	
	pos.w += 2 * (exp.x.cb - this.offset);
	pos.h += + 2 * (exp.y.cb - this.offset);
	lisnav.setStyles (this.td[4], {
		width: pos.w >= 0 ? pos.w +'px' : 0,
		height: pos.h >= 0 ? pos.h +'px' : 0
	});
	if (this.hasAlphaImageLoader) this.td[3].style.height 
		= this.td[5].style.height = this.td[4].style.height;
},
	
destroy : function(hide) {
	if (hide) this.table.style.visibility = 'hidden';
	else lisnav.discardElement(this.table);
}
};


//-----------------------------------------------------------------------------
// The expander object
lisnav.Expander = function(a, params, custom, contentType, strText, preferredWidth) {
	if (document.readyState && lisnav.ie && !lisnav.lisDomReady) {
		lisnav.onDomReady = function() {
			new lisnav.Expander(a, params, custom, contentType);
		};
		return;
	} 
	this.a = a;
	this.custom = custom;
	this.contentType = contentType || 'nav';
	this.preferredWidth = preferredWidth;
	this.text = strText;
	this.lisImage = !this.lisHtml;
	
	lisnav.continuePreloading = false;
	this.overlays = [];
	lisnav.init();
	var key = this.key = lisnav.expanders.length;
	// override inline parameters
	for (var i = 0; i < lisnav.overrides.length; i++) {
		var name = lisnav.overrides[i];
		this[name] = params && typeof params[name] != 'undefined' ?
			params[name] : lisnav[name];
	}
	if (!this.src) this.src = a.href;
	// get thumb
	var el = (params && params.thumbnailId) ? lisnav.$(params.thumbnailId) : a;
	el = this.thumb = el.getElementsByTagName('img')[0] || el;
	this.thumbsUserSetId = el.id || a.id;
	
	// check if already open
	for (var i = 0; i < lisnav.expanders.length; i++) {
		if (lisnav.expanders[i] && lisnav.expanders[i].a == a) {
			lisnav.expanders[i].focus();
			return false;
		}
	}	
	// cancel other
	for (var i = 0; i < lisnav.expanders.length; i++) {
		if (lisnav.expanders[i] && lisnav.expanders[i].thumb != el && !lisnav.expanders[i].onLoadStarted) {
			lisnav.expanders[i].cancelLoading();
		}
	}
	lisnav.expanders[this.key] = this;
	if (!lisnav.allowMultipleInstances) {
		if (lisnav.expanders[key-1]) lisnav.expanders[key-1].close();
		if (typeof lisnav.focusKey != 'undefined' && lisnav.expanders[lisnav.focusKey])
			lisnav.expanders[lisnav.focusKey].close();
	}
	
	var pos = lisnav.getPosition(el);
	
	// initiate metrics
	var x = this.x = {};
	x.t = el.width ? parseInt(el.width) : el.offsetWidth;
	x.tpos = pos.x;
	x.tb = (el.offsetWidth - x.t) / 2;
	var y = this.y = {};
	y.t = el.height ? parseInt(el.height) : el.offsetHeight;
	y.tpos = pos.y;
	y.tb = (el.offsetHeight - y.t) / 2;
	x.p1 = x.p2 = y.p1 = y.p2 = 0;
//	y.p1=y.p2 = y.tpos-40;
	
	// instanciate the wrapper
	this.wrapper = lisnav.createElement(
		'div', {
			id: 'imageslide-wrapper-'+ this.key,
			className: this.wrapperClassName
		}, {
			visibility: 'hidden',
			position: 'absolute',
			zIndex: lisnav.zIndexCounter++
		}, null, true );
	
	this.wrapper.onmouseover = this.wrapper.onmouseout = lisnav.wrapperMouseHandler;
	if (this.contentType == 'image' && this.outlineWhileAnimating == 2)
		this.outlineWhileAnimating = 0;
	
	// get the outline
	if (!this.outlineType) {
		this[this.contentType +'Create']();
	
	} else if (lisnav.pendingOutlines[this.outlineType]) {
		this.connectOutline();
		this[this.contentType +'Create']();
	
	} else {
		this.showLoading();
		var exp = this;
		new lisnav.Outline(this.outlineType, 
			function () { 
				exp.connectOutline();
				exp[exp.contentType +'Create']();
			} 
		);
	}
	return true;
};

lisnav.Expander.prototype = {

connectOutline : function(x, y) {
	var o = this.outline = lisnav.pendingOutlines[this.outlineType];
	o.table.style.zIndex = this.wrapper.style.zIndex;
	lisnav.pendingOutlines[this.outlineType] = null;
},

showLoading : function() {
	if (this.onLoadStarted || this.loading) return;
	
	this.loading = lisnav.loading;
	var exp = this;
	this.loading.onclick = function() {
		exp.cancelLoading();
	};
	var exp = this, 
		l = (this.x.tpos + this.x.tb 
			+ (this.x.t - this.loading.offsetWidth) / 2) +'px',
		t = (this.y.tpos 
			+ (this.y.t - this.loading.offsetHeight) / 2) +'px';
	setTimeout(function () 
		{ 
			if (exp.loading) 
			{
				lisnav.setStyles(exp.loading, { left: l, top: t })
			}
		}, 100);
},

imageCreate : function() {
	var exp = this;
	
	var img = document.createElement('img');
    this.content = img;
    img.onload = function () {
    	if (lisnav.expanders[exp.key]) exp.contentLoaded(); 
	};
    if (lisnav.blockRightClick) img.oncontextmenu = function() { return false; };
    img.className = 'imageslide-img';
    lisnav.setStyles(img, {
    	visibility: 'hidden',
    	display: 'block',
    	position: 'absolute',
		maxWidth: '9999px',
		zIndex: 3
	});
    img.title = lisnav.lang.restoreTitle;
    if (lisnav.safari) lisnav.container.appendChild(img);
    if (lisnav.ie && lisnav.flushImgSize) img.src = null;
	img.src = this.src;

	this.showLoading();	
}, 

navCreate : function() {
	var exp = this;
	var img = document.createElement('img');
	var div = document.createElement('p');

	img.dc = div;
	img.onload = function () {
		this.dc.height = this.height;
    	if (lisnav.expanders[exp.key]) exp.contentLoaded(); 
	};

	div.className = 'imageslide-navtmp';
	div.width = this.preferredWidth;
	var title = document.createTextNode(this.text);
	div.appendChild(title);
	lisnav.setStyles(div, {
		visibility: 'hidden',
		display: 'block',
		position: 'absolute',
		maxWidth: '9999px',
		width:	'100%',
		zIndex: 4
	});
    this.content = div;
	img.src = lisnav.graphicsDir+lisnav.subnavbackground;
},

contentLoaded : function() {
	try {	
		if (!this.content) return;
		this.content.onload = null;
		if (this.onLoadStarted) return;
		else this.onLoadStarted = true;
		
		var x = this.x, y = this.y;
		if (this.loading) {
			lisnav.setStyles(this.loading, { top: '-9999px' });
			this.loading = null;
		}
		this.marginBottom = lisnav.marginBottom;	
			x.full = this.content.width;
			y.full = this.content.height;
			
			lisnav.setStyles(this.content, {
				width: this.x.t +'px',
				height: this.y.t +'px'
			});
		

		this.wrapper.appendChild(this.content);
		lisnav.setStyles (this.wrapper, {
			left: this.x.tpos +'px',
			top: this.y.tpos +'px'
		});
		lisnav.container.appendChild(this.wrapper);
		
		// correct for borders
		x.cb = 0;//(this.contentTitle.offsetWidth - this.x.t) / 2;
		y.cb = 0;//(this.contentTitle.offsetHeight - this.y.t) / 2;
		var modMarginRight = lisnav.marginRight + 2 * x.cb;
		this.marginBottom += 2 * y.cb;
		this.getOverlays();
		
		var ratio = x.full / y.full;
		var minWidth = this.allowSizeReduction 
			? this.minWidth : x.full;
		var minHeight = this.allowSizeReduction 
			? this.minHeight : y.full;
		
		var justify = { x: 'auto', y: 'auto' };
		
		var page = lisnav.getPageSize();
		// justify
		x.min = x.tpos - x.cb + x.tb;
		x.span = Math.min(x.full, this.maxWidth || x.full);
		x.minSpan = Math.min(x.full, minWidth);
		x.marginMin = lisnav.marginLeft; 
		x.marginMax = modMarginRight;
		x.scroll = page.scrollLeft;
		x.clientSpan = page.width;
		this.justify(x);
		
		y.min = y.tpos - y.cb + y.tb;
		y.span = Math.min(y.full, this.maxHeight || y.full);
		y.minSpan = Math.min(y.full, minHeight);
		y.marginMin = lisnav.marginTop; 
		y.marginMax = this.marginBottom; 
		y.scroll = page.scrollTop;
		y.clientSpan = page.height;
		this.justify(y);
		if (this.overlayBox) this.sizeOverlayBox(0, 1);
		
		
		if (this.allowSizeReduction) {
				this.correctRatio(ratio);
			
			if (this.lisImage && this.x.full > this.x.span) {
				this.createFullExpand();
				if (this.overlays.length == 1) this.sizeOverlayBox();	
			}
		}
		
		this.show();
		
	} catch (e) {
		window.location.href = this.src;
	}
},

justify : function (p, moveOnly) {
	var tgt, dim = p == this.x ? 'x' : 'y';
	
	
		var hasMovedMin = false;
		
		var allowReduce = true;
			p.min = Math.round(p.min - ((p.span + p.p1 + p.p2 - p.t) / 2));
		if (p.min < p.scroll + p.marginMin) {
			p.min = p.scroll + p.marginMin;
			hasMovedMin = true;		
		}
		if (!moveOnly && p.span < p.minSpan) {
			p.span = p.minSpan;
			allowReduce = false;
		}
		if (p.min + p.span + p.p1 + p.p2 > p.scroll + p.clientSpan - p.marginMax) {
			if (!moveOnly && hasMovedMin && allowReduce) {
				p.span = p.clientSpan - p.marginMin - p.marginMax; // can't expand more
			} else if (p.span + p.p1 + p.p2 < p.clientSpan - p.marginMin - p.marginMax) { // move newTop up
				p.min = p.scroll + p.clientSpan - p.span - p.marginMin - p.marginMax - p.p1 - p.p2;
			} else { // image larger than viewport
				p.min = p.scroll + p.marginMin;
				if (!moveOnly && allowReduce) p.span = p.clientSpan - p.marginMin - p.marginMax;
			}
			
		}
		
		if (!moveOnly && p.span < p.minSpan) {
			p.span = p.minSpan;
			allowReduce = false;
		}
		
	
		
	if (p.min < p.marginMin) {
		var tmpMin = p.min;
		p.min = p.marginMin; 
		
		if (allowReduce && !moveOnly) p.span = p.span - (p.min - tmpMin);
		
	}
},

correctRatio : function(ratio) {
		
	var x = this.x, y = this.y;
	var changed = false;
	if (x.span / y.span > ratio) { // width greater
		x.span = y.span * ratio;
		if (x.span < x.minSpan) { // below minWidth
			x.span = x.minSpan;
			y.span = x.span / ratio;
		}
		changed = true;
	
	} else if (x.span / y.span < ratio) { // height greater
		var tmpHeight = y.span;
		y.span = x.span / ratio;
		changed = true;
	}
	this.fitOverlayBox(ratio);
	
	if (changed) {
		x.min = x.tpos - x.cb + x.tb;
		x.minSpan = x.span;
		this.justify(x, true);
	
		y.min = y.tpos - y.cb + y.tb;
		y.minSpan = y.span;
		this.justify(y, true);
		if (this.overlayBox) this.sizeOverlayBox();
	}
},
fitOverlayBox : function(ratio) {
	var x = this.x, y = this.y;
	if (this.overlayBox) {
		while (y.span > this.minHeight && x.span > this.minWidth 
				&& y.marginMin + y.p1 + y.span + y.p2 + y.marginMax > y.clientSpan) {
			y.span -= 10;
			if (ratio) x.span = y.span * ratio;
			this.sizeOverlayBox(0, 1);
		}
	}
},

show : function () {
	
	// Selectbox bug
	var imgPos = {x: this.x.min - 20, y: this.y.min - 20, w: this.x.span + 40, 
		h: this.y.span + 40 };
	lisnav.hideSelects = (lisnav.ie && lisnav.ieVersion() < 7);
	if (lisnav.hideSelects) this.showHideElements('SELECT', 'hidden', imgPos);
	// Iframes bug
	lisnav.hideIframes = ((window.opera && navigator.appVersion < 9) || navigator.vendor == 'KDE' 
		|| (lisnav.ie && lisnav.ieVersion() < 5.5));
	if (lisnav.hideIframes) this.showHideElements('IFRAME', 'hidden', imgPos);
	// Scrollbars bug
	if (lisnav.geckoMac) this.showHideElements('*', 'hidden', imgPos); 
	
		
	// Apply size change
	this.changeSize(
		1,
		{ 
			xmin: this.x.tpos + this.x.tb - this.x.cb,
			ymin: this.y.tpos + this.y.tb - this.y.cb,
			xspan: this.x.t,
			yspan: this.y.t,
			xp1: 0,
			xp2: 0,
			yp1: 0,
			yp2: 0,
			o: lisnav.outlineStartOffset
		},
		{
			xmin: this.x.min,
			ymin: this.y.min,
			xspan: this.x.span,
			yspan: this.y.span,
			xp1: this.x.p1,
			yp1: this.y.p1,
			xp2: this.x.p2,
			yp2: this.y.p2,
			o: this.outline ? this.outline.offset : 0
		},
		lisnav.expandDuration,
		lisnav.expandSteps
	);
},

changeSize : function(up, from, to, dur, steps) {
	
	if (this.outline && !this.outlineWhileAnimating) {
		if (up) this.outline.setPosition(this);
		else this.outline.destroy();
	}
	
	
	if (!up && this.overlayBox) {
		lisnav.discardElement(this.overlayBox);
	}
	if (this.fadeInOut) {
		from.op = up ? 0 : 1;
		to.op = up;
	}
	var t,
	exp = this,
	easing = Math[this.easing] || Math.easeInQuad;
	if (!up) easing = Math[this.easingClose] || easing;
	
	for (var i = 1; i <= steps; i++) {
		t = Math.round(i * (dur / steps));
		
		(function(){
			var pI = i, size = {};
			
			for (var x in from) {
				size[x] = easing(t, from[x], to[x] - from[x], dur);
				if (!/^op$/.test(x)) size[x] = Math.round(size[x]);
			}
			setTimeout ( function() {
				if (up && pI == 1) {
					exp.content.style.visibility = 'visible';
					exp.a.className += ' imageslide-active-anchor';
				}
				exp.setSize(size);
			}, t);				
		})();
	}
	
	if (up) { 
			
		setTimeout(function() {
			if (exp.outline) exp.outline.table.style.visibility = "visible";
		}, t);
		setTimeout(function() {
			exp.afterExpand();
		}, t + 50);
	}
	else setTimeout(function() { exp.afterClose(); }, t);
},

setSize : function (to) {
	try {		
		if (to.op) lisnav.setStyles(this.wrapper, { opacity: to.op });
		lisnav.setStyles ( this.wrapper, {
			width : (to.xspan +to.xp1 + to.xp2 +
				2 * this.x.cb) +'px',
			height : (to.yspan +to.yp1 + to.yp2 +
				2 * this.y.cb) +'px',
			left: to.xmin +'px',
			top: to.ymin +'px'
		});
		lisnav.setStyles(this.content, {
			top: to.yp1 +'px',
			left: to.xp1 +'px',
			width: to.xspan +'px',
			height: to.yspan +'px'
		});
		if (this.outline && this.outlineWhileAnimating) {
			var o = this.outline.offset - to.o;
			this.outline.setPosition(this, {
				x: to.xmin + o, 
				y: to.ymin + o, 
				w: to.xspan + to.xp1 + to.xp2 + - 2 * o, 
				h: to.yspan + to.yp1 + to.yp2 + - 2 * o
			}, 1);
		}
			
		this.wrapper.style.visibility = 'visible';
		
	} catch (e) {
		window.location.href = this.src;	
	}
},


afterExpand : function() {
	this.lisExpanded = true;	
	this.focus();
	this.prepareNextOutline();
	
	
	if (this.overlayBox) this.showOverlays();
	
},


prepareNextOutline : function() {
	var key = this.key;
	var outlineType = this.outlineType;
	new lisnav.Outline(outlineType, 
		function () { try { lisnav.expanders[key].preloadNext(); } catch (e) {} });
},


preloadNext : function() {
	var next = this.getAdjacentAnchor(1);
	if (next && next.onclick.toString().match(/lisnav\.expand/)) 
		var img = lisnav.createElement('img', { src: lisnav.getSrc(next) });
},


getAdjacentAnchor : function(op) {
	var current = this.getAnchorIndex(), as = lisnav.anchors.groups[this.slideshowGroup || 'none'];
	
	/*< ? if ($cfg->slideshow) : ?>s*/
	if (!as[current + op] && this.slideshow && this.slideshow.repeat) {
		if (op == 1) return as[0];
		else if (op == -1) return as[as.length-1];
	}
	/*< ? endif ?>s*/
	return as[current + op] || null;
},

getAnchorIndex : function() {
	var arr = lisnav.anchors.groups[this.slideshowGroup || 'none'];
	for (var i = 0; i < arr.length; i++) {
		if (arr[i] == this.a) return i; 
	}
	return null;
},


cancelLoading : function() {	
	lisnav.expanders[this.key] = null;
	if (this.loading) lisnav.loading.style.left = '-9999px';
},

writeCredits : function () {
	this.credits = lisnav.createElement('a',
		{
			href: lisnav.creditsHref,
			className: 'imageslide-credits',
			innerHTML: lisnav.lang.creditsText,
			title: lisnav.lang.creditsTitle
		}
	);
	this.createOverlay({ 
		overlayId: this.credits, 
		position: 'top left' 
	});
},

getInline : function(types, addOverlay) {
	for (var i = 0; i < types.length; i++) {
		var type = types[i], s = null;
		if (!this[type +'Id'] && this.thumbsUserSetId)  
			this[type +'Id'] = type +'-for-'+ this.thumbsUserSetId;
		if (this[type +'Id']) this[type] = lisnav.getNode(this[type +'Id']);
		if (!this[type] && !this[type +'Text'] && this[type +'Eval']) try {
			s = eval(this[type +'Eval']);
		} catch (e) {}
		if (!this[type] && this[type +'Text']) {
			s = this[type +'Text'];
		}

		if (!this[type] && !s) {
			var next = this.a.nextSibling;
			while (next && !lisnav.lisIsAnchor(next)) {
				if ((new RegExp('imageslide-'+ type)).test(next.className || null)) {
					this[type] = next.cloneNode(1);
					break;
				}
				next = next.nextSibling;
			}
		}
		
		if (!this[type] && s) this[type] = lisnav.createElement('div', 
				{ className: 'imageslide-'+ type, innerHTML: s } );
				
		if (addOverlay && this[type]) {
			var o = { position: (type == 'heading') ? 'above' : 'below' };
			for (var x in this[type+'Overlay']) o[x] = this[type+'Overlay'][x];
			o.overlayId = this[type];
			this.createOverlay(o);
		}
	}
},


showHideElements : function (tagName, visibility, imgPos) {
	var els = document.getElementsByTagName(tagName);
	var prop = tagName == '*' ? 'overflow' : 'visibility';
	for (var i = 0; i < els.length; i++) {
		if (prop == 'visibility' || (document.defaultView.getComputedStyle(
				els[i], "").getPropertyValue('overflow') == 'auto'
				|| els[i].getAttribute('hidden-by') != null)) {
			var hiddenBy = els[i].getAttribute('hidden-by');
			if (visibility == 'visible' && hiddenBy) {
				hiddenBy = hiddenBy.replace('['+ this.key +']', '');
				els[i].setAttribute('hidden-by', hiddenBy);
				if (!hiddenBy) els[i].style[prop] = els[i].origProp;
			} else if (visibility == 'hidden') { // hide if behind
				var elPos = lisnav.getPosition(els[i]);
				elPos.w = els[i].offsetWidth;
				elPos.h = els[i].offsetHeight;
			
				
					var clearsX = (elPos.x + elPos.w < imgPos.x || elPos.x > imgPos.x + imgPos.w);
					var clearsY = (elPos.y + elPos.h < imgPos.y || elPos.y > imgPos.y + imgPos.h);
				var wrapperKey = lisnav.getWrapperKey(els[i]);
				if (!clearsX && !clearsY && wrapperKey != this.key) { // element falls behind image
					if (!hiddenBy) {
						els[i].setAttribute('hidden-by', '['+ this.key +']');
						els[i].origProp = els[i].style[prop];
						els[i].style[prop] = 'hidden';
					} else if (!hiddenBy.match('['+ this.key +']')) {
						els[i].setAttribute('hidden-by', hiddenBy + '['+ this.key +']');
					}
				} else if (hiddenBy == '['+ this.key +']' || lisnav.focusKey == wrapperKey) { // on move
					els[i].setAttribute('hidden-by', '');
					els[i].style[prop] = els[i].origProp || '';
				} else if (hiddenBy && hiddenBy.match('['+ this.key +']')) {
					els[i].setAttribute('hidden-by', hiddenBy.replace('['+ this.key +']', ''));
				}
						
			}
		}
	}
},

focus : function() {
	this.wrapper.style.zIndex = lisnav.zIndexCounter++;
	// blur others
	for (var i = 0; i < lisnav.expanders.length; i++) {
		if (lisnav.expanders[i] && i == lisnav.focusKey) {
			var blurExp = lisnav.expanders[i];
			blurExp.content.className += ' imageslide-'+ blurExp.contentType +'-blur';
				blurExp.content.style.cursor = lisnav.ie ? 'hand' : 'pointer';
				blurExp.content.title = lisnav.lang.focusTitle;
		}
	}
	
	// focus this
	if (this.outline) this.outline.table.style.zIndex = this.wrapper.style.zIndex;
	this.content.className = 'imageslide-'+ this.contentType;
	this.content.title = lisnav.lang.restoreTitle;
		
		lisnav.styleRestoreCursor = window.opera ? 'pointer' : 'url('+ lisnav.graphicsDir + lisnav.restoreCursor +'), pointer';
		if (lisnav.ie && lisnav.ieVersion() < 6) lisnav.styleRestoreCursor = 'hand';
		this.content.style.cursor = lisnav.styleRestoreCursor;
		
	lisnav.focusKey = this.key;	
	lisnav.addEventListener(document, window.opera ? 'keypress' : 'keydown', lisnav.keyHandler);	
},

move : function (e) {
	this.x.min = e.left + e.dX;
	this.y.min = e.top + e.dY;
	
	if (e.type == 'image') 
	{
		this.content.style.cursor = 'move';
	}
	lisnav.setStyles(this.wrapper, { left: this.x.min +'px', top: this.y.min +'px' });
	
	if (this.outline) this.outline.setPosition(this);
	
},
resize : function (e) {
	var w, h, r = e.width / e.height;
	w = Math.max(e.width + e.dX, Math.min(this.minWidth, this.x.full));
	if (this.lisImage && Math.abs(w - this.x.full) < 12) w = this.x.full;
	h = w / r;
	
	if (h < Math.min(this.minHeight, this.y.full)) {
		h = Math.min(this.minHeight, this.y.full);
		if (this.lisImage) w = h * r;
	}
	
	this.x.span = w;
	this.y.span = h;
	var size = { width: this.x.span +'px', height: this.y.span +'px' };
	lisnav.setStyles(this.content, size);
	if (this.overlayBox) this.sizeOverlayBox(true);
	lisnav.setStyles(this.wrapper, {
		width: (this.x.p1 + this.x.p2 +2 * this.x.cb + this.x.span) +'px',
		height: (this.y.p1 + this.y.p2 +2 * this.y.cb + this.y.span) +'px'
	});
	if (this.outline) this.outline.setPosition(this);
	
},

close : function() {
	if (this.lisClosing || !this.lisExpanded
		) return;
	this.lisClosing = true;
	
	lisnav.removeEventListener(document, window.opera ? 'keypress' : 'keydown', lisnav.keyHandler);
	
	try {
		this.content.style.cursor = 'default';
		this.changeSize(
			0, {
				xmin: this.x.min,
				ymin: this.y.min,
				xspan: this.x.span,
				yspan: parseInt(this.content.style.height),
				xp1: this.x.p1,
				yp1: this.y.p1,
				xp2: this.x.p2,
				yp2: this.y.p2,
				o: this.outline ? this.outline.offset : 0
			}, {
				xmin: this.x.tpos - this.x.cb + this.x.tb,
				ymin: this.y.tpos - this.y.cb + this.y.tb,
				xspan: this.x.t,
				yspan: this.y.t,
				xp1: 0,
				yp1: 0,
				xp2: 0,
				yp2: 0,
				o: lisnav.outlineStartOffset
			},
			lisnav.restoreDuration,
			lisnav.restoreSteps
		);
		
	} catch (e) { this.afterClose(); } 
},

createOverlay : function (o) {
	var el = o.overlayId;
	if (typeof el == 'string') el = lisnav.getNode(el);
	if (!el || typeof el == 'string') return;
	el.style.display = 'block';
	this.genOverlayBox();
	var width = o.width && /^[0-9]+(px|%)$/.test(o.width) ? o.width : 'auto';
	if (/^(left|right)panel$/.test(o.position) && !/^[0-9]+px$/.test(o.width)) width = '200px';
	
	var overlay = lisnav.createElement(
		'div',
		{ id: 'lisId'+ lisnav.idCounter++, lisId: o.lisId },
		{
			position: 'absolute',
			visibility: 'hidden',
			width: width
		},
		this.overlayBox,
		true
	);
	
	overlay.appendChild(el);
	lisnav.setAttribs(overlay, {
		hideOnMouseOut: o.hideOnMouseOut,
		opacity: o.opacity || 1,
		lisPos: o.position,
		fade: o.fade
	});
	
	if (this.gotOverlays) {
		this.positionOverlay(overlay);
		if (!overlay.hideOnMouseOut || this.mouseIsOver) lisnav.fade(overlay, 0, overlay.opacity);
	}
	lisnav.push(this.overlays, lisnav.idCounter - 1);
},
positionOverlay : function(overlay) {
	var p = overlay.lisPos || 'middle center';
	if (/left$/.test(p)) overlay.style.left = 0; 
	if (/center$/.test(p))	lisnav.setStyles (overlay, { 
		left: '50%',
		marginLeft: '-'+ Math.round(overlay.offsetWidth / 2) +'px'
	});	
	if (/right$/.test(p))	overlay.style.right = 0;
	
	if (/^leftpanel$/.test(p)) { 
		lisnav.setStyles(overlay, {
			right: '100%',
			marginRight: this.x.cb +'px',
			top: - this.y.cb +'px',
			bottom: - this.y.cb +'px',
			overflow: 'auto'
		});		 
		this.x.p1 = overlay.offsetWidth;
	
	} else if (/^rightpanel$/.test(p)) {
		lisnav.setStyles(overlay, {
			left: '100%',
			marginLeft: this.x.cb +'px',
			top: - this.y.cb +'px',
			bottom: - this.y.cb +'px',
			overflow: 'auto'
		});
		this.x.p2 = overlay.offsetWidth;
	}
	if (/^top/.test(p)) overlay.style.top = 0; 
	if (/^middle/.test(p))	lisnav.setStyles (overlay, { 
		top: '50%', 
		marginTop: '-'+ Math.round(overlay.offsetHeight / 2) +'px'
	});	
	if (/^bottom/.test(p)) overlay.style.bottom = 0;
	if (/^above$/.test(p)) {
		lisnav.setStyles(overlay, {
			left: (- this.x.p1 - this.x.cb) +'px',
			right: (- this.x.p2 - this.x.cb) +'px',
			bottom: '100%',
			marginBottom: this.y.cb +'px',
			width: 'auto'
		});
		this.y.p1 = overlay.offsetHeight;
	
	} else if (/^below$/.test(p)) {
		lisnav.setStyles(overlay, {
			position: 'relative',
			left: (- this.x.p1 - this.x.cb) +'px',
			right: (- this.x.p2 - this.x.cb) +'px',
			top: '100%',
			marginTop: this.y.cb +'px',
			width: 'auto'
		});
		this.y.p2 = overlay.offsetHeight;
		overlay.style.position = 'absolute';
	}
},

getOverlays : function() {	
	this.getInline(['heading', 'caption'], true);
	if (this.heading && this.dragByHeading) this.heading.className += ' imageslide-move';
	if (lisnav.showCredits) this.writeCredits();
	for (var i = 0; i < lisnav.overlays.length; i++) {
		var o = lisnav.overlays[i], tId = o.thumbnailId, sg = o.slideshowGroup;
		if ((!tId && !sg) || (tId && tId == this.thumbsUserSetId)
				|| (sg && sg === this.slideshowGroup)) {
			this.createOverlay(o);
		}
	}
	var os = [];
	for (var i = 0; i < this.overlays.length; i++) {
		var o = lisnav.$('lisId'+ this.overlays[i]);
		if (/panel$/.test(o.lisPos)) this.positionOverlay(o);
		else lisnav.push(os, o);
	}
	var curW = this.x.p1 + this.x.full + this.x.p2;
	if (lisnav.padToMinWidth && curW < lisnav.minWidth) {
		this.x.p1 += (lisnav.minWidth - curW) / 2;
		this.x.p2 += (lisnav.minWidth - curW) / 2;
	}

	for (var i = 0; i < os.length; i++) this.positionOverlay(os[i]);
	this.gotOverlays = true;
},
genOverlayBox : function() {
	if (!this.overlayBox) this.overlayBox = lisnav.createElement (
		'div', null, 
		{
			position : 'absolute',
			width: this.x.span ? this.x.span +'px' : this.x.full +'px',
			height: 0,
			visibility : 'hidden',
			overflow : 'hidden',
			zIndex : lisnav.ie ? 4 : null
		},
		lisnav.container,
		true
	);
},
sizeOverlayBox : function(doWrapper, doPanels) {
	lisnav.setStyles( this.overlayBox, {
		width: this.x.span +'px', 
		height: this.y.span +'px'
	});
	if (doWrapper || doPanels) {
		for (var i = 0; i < this.overlays.length; i++) {
			var o = lisnav.$('lisId'+ this.overlays[i]);
			if (o && /^(above|below)$/.test(o.lisPos)) {
				if (lisnav.ie && (lisnav.ieVersion() <= 6 || document.compatMode == 'BackCompat')) {
					o.style.width = (this.overlayBox.offsetWidth + 2 * this.x.cb
						- this.x.p1 - this.x.p2) +'px';
				}
				this.y[o.lisPos == 'above' ? 'p1' : 'p2'] = o.offsetHeight;
			}
		}
	}
	if (doWrapper) {
		lisnav.setStyles(this.content, {
			top: this.y.p1 +'px'
		});
		lisnav.setStyles(this.overlayBox, {
			top: (this.y.p1 + this.y.cb) +'px'
		});
	}
},

showOverlays : function() {
	var b = this.overlayBox, p = lisnav.getPageSize(), 
		mX = lisnav.mouse.x + p.scrollLeft, mY = lisnav.mouse.y + p.scrollTop;
	lisnav.setStyles(b, {
		top: (this.y.p1 + this.y.cb) +'px',
		left: (this.x.p1 + this.x.cb) +'px',
		overflow : 'visible'
	});
	if (lisnav.safari) b.style.visibility = 'visible';
	this.wrapper.appendChild (b);
	this.mouseIsOver = this.x.min < mX && mX < this.x.min + this.x.p1 + this.x.span + this.x.p2
			&& this.y.min < mY && mY < this.y.min + this.y.p1 + this.y.span + this.y.p2;
	for (var i = 0; i < this.overlays.length; i++) {
		var o = lisnav.$('lisId'+ this.overlays[i]);
		o.style.zIndex = 4;
		if (!o.hideOnMouseOut || this.mouseIsOver) lisnav.fade(o, 0, o.opacity);
	}
},



createFullExpand : function () {
	this.fullExpandLabel = lisnav.createElement(
		'a',
		{
			href: 'javascript:is.expanders['+ this.key +'].doFullExpand();',
			title: lisnav.lang.fullExpandTitle,
			className: 'imageslide-full-expand'
		}
	);
	
	this.createOverlay({ 
		overlayId: this.fullExpandLabel, 
		position: lisnav.fullExpandPosition, 
		hideOnMouseOut: true, 
		opacity: lisnav.fullExpandOpacity
	});
},

doFullExpand : function () {
	try {
		if (this.fullExpandLabel) lisnav.discardElement(this.fullExpandLabel);
		
		this.focus();
		
		this.x.min = parseInt(this.wrapper.style.left) - (this.x.full - this.content.style.width) / 2;
		if (this.x.min < lisnav.marginLeft) this.x.min = lisnav.marginLeft;		
		this.wrapper.style.left = this.x.min +'px';
		
		lisnav.setStyles(this.content, { width: this.x.full +'px', height: this.y.full +'px'});
		
		this.x.span = this.x.full;
		this.y.span = this.y.full;
		
		
		if (this.overlayBox) this.sizeOverlayBox(true);		
		
		
		lisnav.setStyles(this.wrapper, {
			width: (this.x.p1 + 2 * this.x.cb + this.x.span + this.x.p2) +'px',
			height: (this.y.p1 + 2 * this.y.cb + this.y.span + this.y.p2) +'px'
		});
		
		
		if (this.outline) this.outline.setPosition(this);
		
		
		this.redoShowHide();
		
		
	
	} catch (e) {
		window.location.href = this.content.src;
	}
},


// on end move and resize
redoShowHide : function() {
	var imgPos = {
		x: parseInt(this.wrapper.style.left) - 20, 
		y: parseInt(this.wrapper.style.top) - 20, 
		w: this.content.offsetWidth + 40, 
		h: this.content.offsetHeight + 40
	};
	if (lisnav.hideSelects) this.showHideElements('SELECT', 'hidden', imgPos);
	if (lisnav.hideIframes) this.showHideElements('IFRAME', 'hidden', imgPos);
	if (lisnav.geckoMac) this.showHideElements('*', 'hidden', imgPos);

},

afterClose : function () {
	this.a.className = this.a.className.replace('imageslide-active-anchor', '');
	
	if (lisnav.hideSelects) this.showHideElements('SELECT', 'visible');
	if (lisnav.hideIframes) this.showHideElements('IFRAME', 'visible');
	if (lisnav.geckoMac) this.showHideElements('*', 'visible');
		if (this.outline && this.outlineWhileAnimating) this.outline.destroy();
	
		lisnav.discardElement(this.wrapper);
	lisnav.expanders[this.key] = null;		
	lisnav.reOrder();
}

};
if (document.readyState && lisnav.ie) {
	var src = (window.location.protocol == 'https:') ? '://0' : 'javascript:void(0)';
	document.write(
	'<script type="text/javascript" defer="defer" src="' + src + '" ' +
	'onreadystatechange="if (this.readyState == \'complete\') lisnav.domReady();"' +
	'><\/script>');
}
lisnav.langDefaults = lisnav.lang;
// history
var lisExpander = lisnav.Expander;

// set handlers
lisnav.addEventListener(document, 'mousemove', function(e) {
	lisnav.mouse = { x: e.clientX, y: e.clientY	};
	var exp = lisnav.getExpander();
	if(exp)
	{
		if(e.clientX<exp.x.min || e.clientY<exp.y.min || (e.clientX>exp.x.min+exp.x.span+exp.x.p2+exp.x.p1) || (e.clientY>exp.y.min+exp.y.span+exp.y.p2+exp.y.p1))
		{
			exp.close();	
		}
	}
});
lisnav.addEventListener(document, 'mousedown', lisnav.mouseClickHandler);
lisnav.addEventListener(document, 'mouseup', lisnav.mouseClickHandler);
lisnav.addEventListener(window, 'load', lisnav.preloadImages);