var hs = {

graphicsDir : 'highslide/graphics/',
restoreCursor : 'zoomout.cur',
expandSteps : 10,
expandDuration : 250,
restoreSteps : 10,
restoreDuration : 250,
marginLeft : 15,
marginRight : 15,
marginTop : 15,
marginBottom : 15,
zIndexCounter : 1001,

restoreTitle : 'Click to close image, click and drag to move',
loadingText : 'Loading...',
loadingTitle : 'Click to cancel',
loadingOpacity : 0.75,
outlineWhileAnimating : 2,
outlineStartOffset : 3,
fullExpandTitle : 'Expand to actual size',
fullExpandPosition : 'bottom right',
fullExpandOpacity : 1,
showCredits : true,
creditsText : 'Powered by <i>Highslide JS</i>',
creditsHref : 'http://vikjavev.no/highslide/',
creditsTitle : 'Go to the Highslide JS homepage',

slideshowGroup : null,
minWidth: 200,
minHeight: 200,
allowSizeReduction: true,
outlineType : 'drop-shadow',
wrapperClassName : 'highslide-wrapper',

expanders : [],
overrides : [
	'allowSizeReduction',
	'outlineType',
	'outlineWhileAnimating',
	
	'wrapperClassName',
	'minWidth',
	'minHeight',
	'slideshowGroup',
	'easing',
	'easingClose',
	'fadeInOut'
],
overlays : [],
idCounter : 0,
faders : [],

pendingOutlines : {},
clones : {},
ie : (document.all && !window.opera),
safari : /Safari/.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) hs.setAttribs(el, attribs);
	if (nopad) hs.setStyles(el, {padding: 0, border: 'none', margin: 0});
	if (styles) hs.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) {
		try { 
			if (hs.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]; 
		}
		catch (e) {}
	}
},

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 = hs.ie ? iebody.clientWidth : 
			(document.documentElement.clientWidth || self.innerWidth),
		height = hs.ie ? iebody.clientHeight : self.innerHeight;
	
	return {
		width: width,
		height: height,		
		scrollLeft: hs.ie ? iebody.scrollLeft : pageXOffset,
		scrollTop: hs.ie ? iebody.scrollTop : pageYOffset
	}
},

position : 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) {
	if (a.getParams) return params;
	
	try {
		new hs.Expander(a, params, custom);
		return false;		
	} catch (e) { return true; }
},

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 hs[param] != 'undefined' ? hs[param] : null);
},

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

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

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

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

getWrapperKey : function (element) {
	var el, re = /^highslide-wrapper-([0-9]+)$/;
	
	el = element;
	while (el.parentNode)	{
		if (el.id && re.test(el.id)) return el.id.replace(re, "$1");
		el = el.parentNode;
	}

	el = element;
	while (el.parentNode)	{
		if (el.tagName && hs.isHsAnchor(el)) {
			for (var key = 0; key < hs.expanders.length; key++) {
				var exp = hs.expanders[key];
				if (exp && exp.a == el) return key;
			}
		}
		el = el.parentNode;
	}
	
	return null;	
},

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

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

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
		&& !(/highslide-(image|move|html|resize)/.test(el.className)))
	{
		el = el.parentNode;
	}
	var exp = hs.getExpander(el);
	if (exp && (exp.isClosing || !exp.isExpanded)) return true;
		
	if (exp && e.type == 'mousedown') {
		if (e.target.form) return true;
		var match = el.className.match(/highslide-(image|move|resize)/);
		if (match) {
			hs.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 };
			
			
			hs.addEventListener(document, 'mousemove', hs.dragHandler);
			if (e.preventDefault) e.preventDefault(); // FF
			
			if (/highslide-(image|html)-blur/.test(exp.content.className)) {
				exp.focus();
				hs.hasFocused = true;
			}
			return false;
		}
	} else if (e.type == 'mouseup') {
		
		hs.removeEventListener(document, 'mousemove', hs.dragHandler);
		
		if (hs.dragArgs) {
			if (hs.dragArgs.type == 'image')
				hs.dragArgs.exp.content.style.cursor = hs.styleRestoreCursor;
			var hasDragged = hs.dragArgs.hasDragged;
			
			if (!hasDragged &&!hs.hasFocused && !/(move|resize)/.test(hs.dragArgs.type)) {
				exp.close();
			}
			
			hs.hasFocused = false;
			hs.dragArgs = null;
		
		} else if (/highslide-image-blur/.test(el.className)) {
			el.style.cursor = hs.styleRestoreCursor;		
		}
	}
	return false;
},

dragHandler : function(e)
{
	if (!hs.dragArgs) return true;
	if (!e) e = window.event;
	var a = hs.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 > (hs.dragSensitivity || 5));
	
	if (a.hasDragged && e.clientX > 5 && e.clientY > 5) {
		 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 (hs.ie) e.relatedTarget = 
			over ? e.fromElement : e.toElement; // ie
		var exp = hs.getExpander(e.target);
		if (!exp || !e.relatedTarget || hs.getExpander(e.relatedTarget) == exp 
			|| hs.dragArgs) return;
		for (var i = 0; i < exp.overlays.length; i++) {
			var o = hs.$('hsId'+ exp.overlays[i]);
			if (o && o.getAttribute('hideOnMouseOut')) {
				var from = over ? 0 : o.getAttribute('opacity'),
					to = over ? o.getAttribute('opacity') : 0;			
				hs.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;
		}
	}
},

genContainer : function () {
	if (!hs.container) {
		hs.container = hs.createElement('div', 
			null, 
			{ position: 'absolute', left: 0, top: 0, width: '100%', zIndex: hs.zIndexCounter }, 
			document.body,
			true
		);
		hs.loading = hs.createElement('a',
			{
				className: 'highslide-loading',
				title: hs.loadingTitle,
				innerHTML: hs.loadingText,
				href: 'javascript:void(0)'
			},
			{
				position: 'absolute',
				opacity: hs.loadingOpacity,
				left: '-9999px',
				zIndex: 1
			}, hs.container
		);
		hs.garbageBin = hs.createElement('div', null, { display: 'none' }, hs.container);

		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;
		};
	}
},

fade : function (el, o, oFinal, dur, i, dir) {
	if (typeof i == 'undefined') {
		if (typeof dur != 'number') dur = 250;
		if (dur < 25) {
			hs.setStyles( el, { opacity: oFinal	});
			return;
		}
		i = hs.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 && hs.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(hs.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';
	hs.setStyles(el, { opacity: o });
	hs.faders[i] = setTimeout(function() {
		hs.fade(el, o + el.fading.step * dir, oFinal, null, i, dir);
	}, 25);
},

close : function(el) {
	var exp = hs.getExpander(el);
	if (exp) exp.close();
	return false;
}
};

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

hs.Outline.prototype = {
preloadGraphic : function () {	
	var src = hs.graphicsDir + (hs.outlinesDir || "outlines/")+ this.outlineType +".png";
				
	var appendTo = hs.safari ? hs.container : null;
	this.graphic = hs.createElement('img', null, { position: 'absolute', left: '-9999px', 
		top: '-9999px' }, appendTo, true);
	
	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' };
		
	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 = hs.createElement('div', null, { width: '100%', height: '100%', position: 'relative', overflow: 'hidden'}, this.td[i], true);
				hs.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 {
				hs.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)) 
				hs.createElement('div', null, dim, this.td[i], true);
			
			hs.setStyles (this.td[i], dim);
		}
	}
	this.graphic = null;
	if (hs.pendingOutlines[this.outlineType]) hs.pendingOutlines[this.outlineType].destroy();
	hs.pendingOutlines[this.outlineType] = this;
	if (this.onLoad) this.onLoad();
},
	
setPosition : function (exp, x, y, w, h, vis) {
	if (vis) this.table.style.visibility = (h >= 4 * this.offset) 
		? 'visible' : 'hidden';
	this.table.style.left = (x - this.offset) +'px';
	this.table.style.top = (y - this.offset) +'px';
	this.table.style.width = (w + 2 * (exp.offsetBorderW + this.offset)) +'px';
	w += 2 * (exp.offsetBorderW - this.offset);
	h += + 2 * (exp.offsetBorderH - this.offset);
	this.td[4].style.width = w >= 0 ? w +'px' : 0;
	this.td[4].style.height = h >= 0 ? 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 hs.discardElement(this.table);
}
};

hs.Expander = function(a, params, custom, contentType) {
	this.a = a;
	this.custom = custom;
	this.contentType = contentType || 'image';
	this.isImage = !this.isHtml;
	hs.genContainer();
	var key = this.key = hs.expanders.length;

	for (var i = 0; i < hs.overrides.length; i++) {
		var name = hs.overrides[i];
		this[name] = params && typeof params[name] != 'undefined' ?
			params[name] : hs[name];
	}
	
	this.src = params && params.src ? params.src : a.href;

	var el = this.thumb = ((params && params.thumbnailId) ? hs.$(params.thumbnailId) : null) 
		|| a.getElementsByTagName('img')[0] || a;
	this.thumbsUserSetId = el.id || a.id;

	for (var i = 0; i < hs.expanders.length; i++) {
		if (hs.expanders[i] && hs.expanders[i].a == a) {
			hs.expanders[i].focus();
			return false;
		}		
	}	

	for (var i = 0; i < hs.expanders.length; i++) {
		if (hs.expanders[i] && hs.expanders[i].thumb != el && !hs.expanders[i].onLoadStarted) {
			hs.expanders[i].cancelLoading();
		}
	}
	hs.expanders[this.key] = this;
		if (hs.expanders[key-1]) hs.expanders[key-1].close();
		if (typeof hs.focusKey != 'undefined' && hs.expanders[hs.focusKey])
			hs.expanders[hs.focusKey].close();
	
	var pos = hs.position(el);
	
	this.thumbWidth = el.width ? el.width : el.offsetWidth;		
	this.thumbHeight = el.height ? el.height : el.offsetHeight;
	this.thumbLeft = pos.x;
	this.thumbTop = pos.y;
	this.thumbOffsetBorderW = (this.thumb.offsetWidth - this.thumbWidth) / 2;
	this.thumbOffsetBorderH = (this.thumb.offsetHeight - this.thumbHeight) / 2;

	this.wrapper = hs.createElement(
		'div',
		{
			id: 'highslide-wrapper-'+ this.key,
			className: this.wrapperClassName
		},
		{
			visibility: 'hidden',
			position: 'absolute',
			zIndex: hs.zIndexCounter++
		}, null, true );
	
	this.wrapper.onmouseover = this.wrapper.onmouseout = hs.wrapperMouseHandler;
	if (this.contentType == 'image' && this.outlineWhileAnimating == 2)
		this.outlineWhileAnimating = 0;

	if (hs.pendingOutlines[this.outlineType]) {
		this.connectOutline();
		this[this.contentType +'Create']();
	} else if (!this.outlineType) {
		this[this.contentType +'Create']();
	} else {
		this.displayLoading();
		var exp = this;
		new hs.Outline(this.outlineType, 
			function () { 
				exp.connectOutline();
				exp[exp.contentType +'Create']();
			} 
		);
	}
	return true;
};

hs.Expander.prototype = {

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

displayLoading : function() {
	if (this.onLoadStarted || this.loading) return;
	
	this.loading = hs.loading;
	var exp = this;
	this.loading.onclick = function() {
		exp.cancelLoading();
	};
	this.loading.style.top = (this.thumbTop 
		+ (this.thumbHeight - this.loading.offsetHeight) / 2) +'px';
	var exp = this, left = (this.thumbLeft + this.thumbOffsetBorderW 
		+ (this.thumbWidth - this.loading.offsetWidth) / 2) +'px';
	setTimeout(function () { if (exp.loading) exp.loading.style.left = left }, 100); 
},

imageCreate : function() {
	var exp = this;
	
	var img = document.createElement('img');
    this.content = img;
    img.onload = function () {
    	if (hs.expanders[exp.key]) exp.contentLoaded(); 
	};
    if (hs.blockRightClick) img.oncontextmenu = function() { return false; };
    img.className = 'highslide-image';
    img.style.visibility = 'hidden';
    img.style.display = 'block';
	img.style.position = 'absolute';
	img.style.maxWidth = 'none';
    img.style.zIndex = 3;
    img.title = hs.restoreTitle;
    if (hs.safari) hs.container.appendChild(img);
    if (hs.ie && hs.flushImgSize) img.src = null;
	img.src = this.src;
	
	this.displayLoading();
},

contentLoaded : function() {
	try {
		if (!this.content) return;
		this.content.onload = null;
		if (this.onLoadStarted) return;
		else this.onLoadStarted = true;
		
		if (this.loading) {
			hs.setStyles(this.loading, { left: '-9999px', top: '-9999px' });
			this.loading = null;
		}
		this.marginBottom = hs.marginBottom;	
			this.newWidth = this.content.width;
			this.newHeight = this.content.height;
			this.fullExpandWidth = this.newWidth;
			this.fullExpandHeight = this.newHeight;
			
			this.content.style.width = this.thumbWidth +'px';
			this.content.style.height = this.thumbHeight +'px';
		
		this.wrapper.appendChild(this.content);
		this.content.style.position = 'relative'; // Saf
		this.wrapper.style.left = this.thumbLeft +'px';
		this.wrapper.style.top = this.thumbTop +'px';
		hs.container.appendChild(this.wrapper);

		this.offsetBorderW = (this.content.offsetWidth - this.thumbWidth) / 2;
		this.offsetBorderH = (this.content.offsetHeight - this.thumbHeight) / 2;
		var modMarginRight = hs.marginRight + 2 * this.offsetBorderW;
		this.marginBottom += 2 * this.offsetBorderH;
		
		var ratio = this.newWidth / this.newHeight;
		var minWidth = this.allowSizeReduction 
			? this.minWidth : this.newWidth;
		var minHeight = this.allowSizeReduction 
			? this.minHeight : this.newHeight;
		
		var justify = { x: 'auto', y: 'auto' };
		
		var page = hs.getPageSize();

		this.x = { 
			min: parseInt(this.thumbLeft) - this.offsetBorderW + this.thumbOffsetBorderW,
			span: this.newWidth,
			minSpan: (this.newWidth < minWidth ) 
				? this.newWidth : minWidth,
			marginMin: hs.marginLeft, 
			marginMax: modMarginRight,
			scroll: page.scrollLeft,
			clientSpan: page.width,
			thumbSpan: this.thumbWidth
		};
		var oldRight = this.x.min + parseInt(this.thumbWidth);
		this.x = this.justify(this.x);
		this.y = { 
			min: parseInt(this.thumbTop) - this.offsetBorderH + this.thumbOffsetBorderH,
			span: this.newHeight,
			minSpan: this.newHeight < minHeight ? this.newHeight : minHeight,
			marginMin: hs.marginTop, 
			marginMax: this.marginBottom, 
			scroll: page.scrollTop,
			clientSpan: page.height,
			thumbSpan: this.thumbHeight
		};
		var oldBottom = this.y.min + parseInt(this.thumbHeight);
		this.y = this.justify(this.y);
		
			this.correctRatio(ratio);

		var x = this.x;
		var y = this.y;
		this.show();
	} catch (e) {
		window.location.href = this.src;
	}
},

justify : function (p) {

	var tgt, dim = p == this.x ? 'x' : 'y';

		var hasMovedMin = false;
		
		var allowReduce = true;

		p.min = Math.round(p.min - ((p.span - p.thumbSpan) / 2));
		
		if (p.min < p.scroll + p.marginMin) {
			p.min = p.scroll + p.marginMin;
			hasMovedMin = true;		
		}
		
		if (p.span < p.minSpan) {
			p.span = p.minSpan;
			allowReduce = false;			
		}

		if (p.min + p.span > p.scroll + p.clientSpan - p.marginMax) {
			if (hasMovedMin && allowReduce) {
				
				p.span = p.clientSpan - p.marginMin - p.marginMax;
				
			} else if (p.span < p.clientSpan - p.marginMin - p.marginMax) {
				p.min = p.scroll + p.clientSpan - p.span - p.marginMin - p.marginMax;
			} else {
				p.min = p.scroll + p.marginMin;
				
				if (allowReduce) p.span = p.clientSpan - p.marginMin - p.marginMax;
				
			}
			
		}
		
		if (p.span < p.minSpan) {
			p.span = p.minSpan;
			allowReduce = false;
		}

	if (p.min < p.marginMin) {
		tmpMin = p.min;
		p.min = p.marginMin; 
		
		if (allowReduce) p.span = p.span - (p.min - tmpMin);
		
	}
	return p;
},

correctRatio : function(ratio) {
	var x = this.x;
	var y = this.y;
	var changed = false;
	if (x.span / y.span > ratio) {
		var tmpWidth = x.span;
		x.span = y.span * ratio;
		if (x.span < x.minSpan) {	
			x.span = x.minSpan;
			
			y.span = x.span / ratio;
		}
		changed = true;
	
	} else if (x.span / y.span < ratio) {
		var tmpHeight = y.span;
		y.span = x.span / ratio;
		changed = true;
	}
	
	if (changed) {
		x.min = parseInt(this.thumbLeft) - this.offsetBorderW + this.thumbOffsetBorderW;
		x.minSpan = x.span;
		this.x = this.justify(x);
		
		y.min = parseInt(this.thumbTop) - this.offsetBorderH + this.thumbOffsetBorderH;
		y.minSpan = y.span;
		this.y = this.justify(y);
	}
},

show : function () {
	
	this.overlays = [];
		
	this.changeSize(
		1,
		{ 
			x: this.thumbLeft + this.thumbOffsetBorderW - this.offsetBorderW,
			y: this.thumbTop + this.thumbOffsetBorderH - this.offsetBorderH,
			w: this.thumbWidth,
			h: this.thumbHeight,
			imgW: this.thumbWidth,
			o: hs.outlineStartOffset
		},
		{
			x: this.x.min,
			y: this.y.min,
			w: this.x.span,
			h: this.y.span,
			imgW: this.x.imgSpan,
			o: this.objOutline ? this.objOutline.offset : 0
		},
		hs.expandDuration,
		hs.expandSteps
	);
},

changeSize : function(up, from, to, dur, steps) {
	
	if (up && this.objOutline && !this.outlineWhileAnimating) 
		this.objOutline.setPosition(this, this.x.min, this.y.min, this.x.span, this.y.span);
	
	else if (!up && this.objOutline) {	
		if (this.outlineWhileAnimating) this.objOutline.setPosition(this, from.x, from.y, from.w, from.h);
		else this.objOutline.destroy();
		}	
			
	if (!up) {
		var n = this.wrapper.childNodes.length;
		for (var i = n - 1; i >= 0 ; i--) {
			var child = this.wrapper.childNodes[i];
			if (child != this.content) hs.discardElement(child);
		}
	}
		
	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 (/[xywh]/.test(x)) size[x] = Math.round(size[x]);
			}
						
			setTimeout ( function() {
				if (up && pI == 1) {
					exp.content.style.visibility = 'visible';
					exp.a.className += ' highslide-active-anchor';
				}
				exp.setSize(size);
			}, t);				
		})();		
	}
	
	if (up) { 
			
		setTimeout(function() {
			if (exp.objOutline) exp.objOutline.table.style.visibility = "visible";
		}, t);
		setTimeout(function() {
			exp.afterExpand();
		}, t + 50);
	}
	else setTimeout(function() { exp.afterClose(); }, t);
		
},

setSize : function (to) {
	try {
			this.wrapper.style.width = (to.w + 2*this.offsetBorderW) +'px';
			this.content.style.width =
				((to.imgW && !isNaN(to.imgW)) ? to.imgW : to.w) +'px';
			if (hs.safari) this.content.style.maxWidth = this.content.style.width;
			this.content.style.height = to.h +'px';
		
		if (to.op) hs.setStyles(this.wrapper, { opacity: to.op });
				
		
		if (this.objOutline && this.outlineWhileAnimating) {
			var o = this.objOutline.offset - to.o;
			this.objOutline.setPosition(this, to.x + o, to.y + o, to.w - 2 * o, to.h - 2 * o, 1);
		}
				
		hs.setStyles ( this.wrapper,
			{
				'visibility': 'visible',
				'left': to.x +'px',
				'top': to.y +'px'
			}
		);
		
	} catch (e) { window.location.href = this.src;	}
},

afterExpand : function() {
	this.isExpanded = true;	
	this.focus();
	
	this.createOverlays();
	if (hs.showCredits) this.writeCredits();
	
	if (this.isImage && this.fullExpandWidth > this.x.span) this.createFullExpand();
	if (!this.caption) this.prepareNextOutline();
},


prepareNextOutline : function() {
	var key = this.key;
	var outlineType = this.outlineType;
	new hs.Outline(outlineType);
},

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

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

focus : function() {
	this.wrapper.style.zIndex = hs.zIndexCounter++;
		this.content.title = hs.restoreTitle;
		
		hs.styleRestoreCursor = window.opera ? 'pointer' : 'url('+ hs.graphicsDir + hs.restoreCursor +'), pointer';
		if (hs.ie && hs.ieVersion() < 6) hs.styleRestoreCursor = 'hand';
		this.content.style.cursor = hs.styleRestoreCursor;
		
	hs.focusKey = this.key;	
},

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';
	hs.setStyles(this.wrapper, { left: this.x.min +'px', top: this.y.min +'px' });
	
	if (this.objOutline)
		this.objOutline.setPosition(this, this.x.min, this.y.min, this.x.span, this.y.span);
	
},

close : function() {
	if (this.isClosing || !this.isExpanded) return;
	this.isClosing = true;
	
	try {
		
		this.content.style.cursor = 'default';
		
		this.changeSize(
			0,
			{
				x: this.x.min,
				y: this.y.min,
				w: this.x.span,
				h: parseInt(this.content.style.height),
				imgW: this.x.imgSpan,
				o: this.objOutline ? this.objOutline.offset : 0
			},
			{
				x: this.thumbLeft - this.offsetBorderW + this.thumbOffsetBorderW,
				y: this.thumbTop - this.offsetBorderH + this.thumbOffsetBorderH,
				w: this.thumbWidth,
				h: this.thumbHeight,
				imgW: this.thumbWidth,
				o: hs.outlineStartOffset
			},
			hs.restoreDuration,
			hs.restoreSteps
		);
		
	} catch (e) { this.afterClose(); } 
},

createOverlay : function (o) {
	var el = o.overlayId;
	if (typeof el == 'string') el = hs.getNode(el);
	if (!el || typeof el == 'string') return;
	
	
	var overlay = hs.createElement(
		'div',
		{ id: 'hsId'+ hs.idCounter++ },
		{
			'left' : 0,
			'top' : 0,
			'position' : 'absolute',
			'zIndex' : 3,
			'visibility' : 'hidden'
		},
		this.wrapper,
		true
	);
	if (o.opacity) hs.setStyles(el, { opacity: o.opacity });
	el.style.styleFloat = 'none';
	el.className += ' highslide-display-block';
	overlay.appendChild(el);	
	
	overlay.hsPos = o.position;
	this.positionOverlay(overlay);	
	
	if (o.hideOnMouseOut) overlay.setAttribute('hideOnMouseOut', true);
	if (!o.opacity) o.opacity = 1;
	overlay.setAttribute('opacity', o.opacity);
	overlay.fade = o.fade;
	hs.fade(overlay, 0, o.opacity);
	
	hs.push(this.overlays, hs.idCounter - 1);
},

positionOverlay : function(overlay, conH) {
	var left = this.offsetBorderW,
		dLeft = this.x.span - overlay.offsetWidth,
		top = this.offsetBorderH,
		dTop = (conH || parseInt(this.content.style.height)) - overlay.offsetHeight,
		p = overlay.hsPos || 'center center';
		
	if (/^bottom/.test(p)) top += dTop;
	if (/^center/.test(p)) top += dTop / 2;
	if (/right$/.test(p)) left += dLeft;
	if (/center$/.test(p)) left += dLeft / 2;
	overlay.style.left = left +'px';
	overlay.style.top = top +'px';
},

createOverlays : function() {
	for (var i = 0; i < hs.overlays.length; i++) {
		var o = hs.overlays[i], tId = o.thumbnailId, sg = o.slideshowGroup;
		if ((!tId && !sg) || tId == this.thumbsUserSetId
				|| sg === this.slideshowGroup) {
			this.createOverlay(o);
		}
	}
},

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

doFullExpand : function () {
	try {
		if (this.fullExpandLabel) hs.discardElement(this.fullExpandLabel);
		
		this.focus();
		
		this.x.min = parseInt(this.wrapper.style.left) - (this.fullExpandWidth - this.content.width) / 2;
		if (this.x.min < hs.marginLeft) this.x.min = hs.marginLeft;		
		this.wrapper.style.left = this.x.min +'px';
		
		hs.setStyles(this.content, { width: this.fullExpandWidth +'px', maxWidth: this.fullExpandWidth +'px',
			height: this.fullExpandHeight +'px'});
		
		this.x.span = this.fullExpandWidth;
		this.wrapper.style.width = (this.x.span + 2*this.offsetBorderW) +'px';
		
		this.y.span = this.wrapper.offsetHeight - 2 * this.offsetBorderH;
		
		if (this.objOutline)
			this.objOutline.setPosition(this, this.x.min, this.y.min, this.x.span, this.y.span);
		
		for (var i = 0; i < this.overlays.length; i++)
			this.positionOverlay(hs.$('hsId'+ this.overlays[i]));
		
		
	
	} catch (e) {
		window.location.href = this.content.src;
	}
},

afterClose : function () {
	this.a.className = this.a.className.replace('highslide-active-anchor', '');
		if (this.objOutline && this.outlineWhileAnimating) this.objOutline.destroy();
	
		hs.discardElement(this.wrapper);
	hs.expanders[this.key] = null;
}

};

var HsExpander = hs.Expander;

hs.addEventListener(document, 'mousedown', hs.mouseClickHandler);
hs.addEventListener(document, 'mouseup', hs.mouseClickHandler);