var hs = {

// Apply your own settings here, or override them in the html file.
graphicsDir : 'images/main_image_view/',
restoreCursor : "zoomout.cur", // zoomout.cur necessary for preload
expandSteps : 10, // number of steps in zoom. Each step lasts for duration/step milliseconds.
expandDuration : 250, // milliseconds
restoreSteps : 10,
restoreDuration : 250,
allowMultipleInstances: true,
hideThumbOnExpand : true,
captionSlideSpeed : 1, // set to 0 to disable slide in effect
outlineWhileAnimating : false, // not recommended, animation gets jaggy on slow systems.
outlineStartOffset : 3, // ends at 10
marginLeft : 10,
marginRight : 35, // leave room for scrollbars + outline
marginTop : 10,
marginBottom : 35, // leave room for scrollbars + outline
numberOfImagesToPreload : 5,
zIndexCounter : 9001, // adjust to other absolutely positioned elements
fullExpandIcon : 'fullexpand.gif',
fullExpandTitle : 'Expand to actual size',
restoreTitle : 'Click, Drag & Drop',
focusTitle : '',
loadingText : 'Wird geladen...',
loadingTitle : 'Click to cancel',
loadingOpacity : 0.75,
showCredits : true, // you can set this to false if you want
creditsText : '',
creditsHref : '',
creditsTitle : '',
enableKeyListener : true,

// These settings can also be overridden inline for each image
anchor : 'auto', // where the image expands from
align : 'auto', // position in the client (overrides anchor)
targetX: null, // the id of a target element
targetY: null,
captionId : null,
captionTemplateId : null,
slideshowGroup : null, // defines groups for next/previous links and keystrokes
spaceForCaption : 30, // leaves space below images with captions
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 : null, // for enhanced css-control


// END OF YOUR SETTINGS


// declare internal properties
preloadTheseImages : [],
continuePreloading: true,
expandedImagesCounter : 0,
expanders : [],
overrides : [
'anchor',
'align',
'targetX',
'targetY',
'outlineType',
'outlineWhileAnimating',
'spaceForCaption',
'wrapperClassName',
'minWidth',
'minHeight',
'captionId',
'captionTemplateId',
'allowSizeReduction',
'slideshowGroup'
],
overlays : [],
pendingOutlines : {},
clones : {},
faders : [],
ie : (document.all && !window.opera),
safari : navigator.userAgent.indexOf("Safari") != -1,
hasFocused : false,

$ : 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') {
el.style.filter = styles[x] == 1 ? 'none' : 'alpha(opacity='+ (styles[x] * 100) +')';

}
else el.style[x] = styles[x];
}
catch (e) {}
}
},

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

clientInfo : function ()	{
var iebody = document.compatMode && document.compatMode != "BackCompat"
? document.documentElement : document.body;

this.width = hs.ie ? iebody.clientWidth : self.innerWidth;
this.height = hs.ie ? iebody.clientHeight : self.innerHeight;
this.scrollLeft = hs.ie ? iebody.scrollLeft : pageXOffset;
this.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) {
try {
new HsExpander(a, params, custom);
return false;
} catch (e) { return true; }
},

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

topmostKey = i;
}
}
}
if (topmostKey == -1) hs.focusKey = -1;
else hs.expanders[topmostKey].focus();
},

closeId : function(id) { // for text links
return hs.close(id);
},

close : function(el) {
try { hs.getExpander(el).doClose(); } catch (e) {}
return false;
},

getAdjacentAnchor : function(key, op) {
var aAr = document.getElementsByTagName('A'), hsAr = {}, activeI = -1, j = 0;
for (i = 0; i < aAr.length; i++) {
if (hs.isHsAnchor(aAr[i]) && ((hs.expanders[key].slideshowGroup == hs.getParam(aAr[i], 'slideshowGroup')))) {
hsAr[j] = aAr[i];
if (hs.expanders[key] && aAr[i] == hs.expanders[key].a) {
activeI = j;
}
j++;
}
}
return hsAr[activeI + op];
},

getParam : function (a, param) {
try {
var s = a.onclick.toString().replace(/\s/g, ' ').split('{')[2].split('}')[0];
if (hs.safari) { // stupid bug
for (var i = 0; i < hs.overrides.length; i++) {
s = s.replace(hs.overrides[i] +':', ','+ hs.overrides[i] +':').replace(new RegExp("^\\s*?,"), '');
}
}
eval('var arr = {'+ s +'};');
if (arr[param]) return arr[param];
else return hs[param];
} catch (e) {
return hs[param];
}
},

getSrc : function (a) {
var src = hs.getParam(a, 'src');
if (src) return src;
return a.rel.replace(/_slash_/g, '/') || 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);
}
},

purge : function(d) {
if (!hs.ie) return;
var a = d.attributes, i, l, n;
if (a) {
l = a.length;
for (i = 0; i < l; i += 1) {
n = a[i].name;
if (typeof d[n] === 'function') {
d[n] = null;
}
}
}
if (hs.geckoBug && hs.geckoBug(d)) return;
a = d.childNodes;
if (a) {
l = a.length;
for (i = 0; i < l; i += 1) {
hs.purge(d.childNodes[i]);
}
}
},

previousOrNext : function (el, op) {
var exp = hs.getExpander(el);
try { hs.getAdjacentAnchor(exp.key, op).onclick(); } catch (e) {}
try { exp.doClose(); } catch (e) {}
return false;
},

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

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

keyHandler : function(e) {
if (!e) e = window.event;
if (!e.target) e.target = e.srcElement; // ie
if (e.target.form) return; // form element has focus

var op = null;
switch (e.keyCode) {
case 34: // Page Down
case 39: // Arrow right
case 40: // Arrow down
op = 1;
break;
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) {
hs.removeEventListener(document, 'keydown', hs.keyHandler);
try { if (!hs.enableKeyListener) return true; } catch (e) {}

if (e.preventDefault) e.preventDefault();
else e.returnValue = false;
if (op == 0) {
try { hs.getExpander().doClose(); } catch (e) {}
return false;
} else {
return hs.previousOrNext(hs.focusKey, op);
}
} else return true;
},

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

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

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

cleanUp : function () {
for (i = 0; i < hs.expanders.length; i++) {
if (hs.expanders[i] && hs.expanders[i].isExpanded) hs.focusTopmost();
}
},

mouseClickHandler : function(e)
{
if (!e) e = window.event;
if (e.button > 1) return true;
if (!e.target) e.target = e.srcElement;
if (e.target.form) return;

var fobj = e.target;
while (fobj.parentNode
&& !(fobj.className && fobj.className.match(/maineffect-(image|move|html)/)))
{
fobj = fobj.parentNode;
}

if (!fobj.parentNode) return;

hs.dragExp = hs.getExpander(fobj);

if (fobj.className.match(/maineffect-(image|move)/)) {
var isDraggable = true;
var wLeft = parseInt(hs.dragExp.wrapper.style.left);
var wTop = parseInt(hs.dragExp.wrapper.style.top);
}

if (e.type == 'mousedown') {
if (isDraggable) // drag or focus
{
if (fobj.className.match('maineffect-image')) hs.dragExp.content.style.cursor = 'move';

hs.wLeft = wLeft;
hs.wTop = wTop;

hs.dragX = e.clientX;
hs.dragY = e.clientY;
hs.addEventListener(document, 'mousemove', hs.mouseMoveHandler);
if (e.preventDefault) e.preventDefault(); // FF

if (hs.dragExp.content.className.match(/maineffect-(image|html)-blur/)) {
hs.dragExp.focus();
hs.hasFocused = true;
}
return false;
}
else if (fobj.className.match(/maineffect-html/)) { // just focus
hs.dragExp.focus();
hs.dragExp.redoShowHide();
hs.hasFocused = false; // why??
}

} else if (e.type == 'mouseup') {
hs.removeEventListener(document, 'mousemove', hs.mouseMoveHandler);
if (isDraggable && hs.dragExp) {
if (fobj.className.match('maineffect-image')) {
fobj.style.cursor = hs.styleRestoreCursor;
}
var hasMoved = wLeft != hs.wLeft || wTop != hs.wTop;
if (!hasMoved && !hs.hasFocused && !fobj.className.match(/maineffect-move/)) {
hs.dragExp.onClick();
} else if (hasMoved || (!hasMoved && hs.hasHtmlexpanders)) {
hs.dragExp.redoShowHide();
}
hs.hasFocused = false;

} else if (fobj.className.match('maineffect-image-blur')) {
fobj.style.cursor = hs.styleRestoreCursor;
}
}
},

mouseMoveHandler : function(e)
{
if (!hs.dragExp || !hs.dragExp.wrapper) return;
if (!e) e = window.event;

hs.dragExp.x.min = hs.wLeft + e.clientX - hs.dragX;
hs.dragExp.y.min = hs.wTop + e.clientY - hs.dragY;

var w = hs.dragExp.wrapper;

w.style.left = hs.dragExp.x.min +'px';
w.style.top  = hs.dragExp.y.min +'px';

if (hs.dragExp.objOutline) {
var o = hs.dragExp.objOutline;
o.table.style.left = (hs.dragExp.x.min - o.offset) +'px';
o.table.style.top = (hs.dragExp.y.min - o.offset) +'px';
}
return false;
},

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;
}
}
},

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

preloadFullImage : function (i) {
if (hs.continuePreloading && hs.preloadTheseImages[i] && hs.preloadTheseImages[i] != 'undefined') {
var img = document.createElement('img');
img.onload = function() { hs.preloadFullImage(i + 1); };
img.src = hs.preloadTheseImages[i];
}
},

preloadImages : function (number) {
if (number && typeof number != 'object') hs.numberOfImagesToPreload = number;
var a, re, j = 0;

var aTags = document.getElementsByTagName('A');
for (i = 0; i < aTags.length; i++) {
a = aTags[i];
re = hs.isHsAnchor(a);
if (re && re[0] == 'hs.expand') {
if (j < hs.numberOfImagesToPreload) {
hs.preloadTheseImages[j] = hs.getSrc(a);
j++;
}
}
}

// preload outlines
new HsOutline(hs.outlineType, function () { hs.preloadFullImage(0)} );

// preload cursor
var cur = hs.createElement('img', { src: hs.graphicsDir + hs.restoreCursor });
},

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
);
}
},

fade : function (el, o, oFinal, dir, i) {
o = parseFloat(o);
el.style.visibility = (o <= 0) ? 'hidden' : 'visible';
if (o < 0 || (dir == 1 && o > oFinal)) return;
if (i == null) i = hs.faders.length;
if (typeof(el.i) != 'undefined' && el.i != i) {
clearTimeout(hs.faders[el.i]);
o = el.tempOpacity;
}
el.i = i;
el.tempOpacity = o;
el.style.visibility = (o <= 0) ? 'hidden' : 'visible';
hs.setStyles(el, { opacity: o });
hs.faders[i] = setTimeout(function() {
hs.fade(el, Math.round((o + 0.1 * dir)*100)/100, oFinal, dir, i);
}, 25);
}
}; // end hs object

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

this.hasAlphaImageLoader = hs.ie && v >= 5.5 && v < 7;
this.hasPngSupport = !hs.ie || (hs.ie && v >= 7);
if (!outlineType || (!this.hasAlphaImageLoader && !this.hasPngSupport)) {
if (onLoad) onLoad();
return;
}

hs.genContainer();
this.table = hs.createElement(
'table',
{
cellSpacing: 0 // saf
},
{
visibility: 'hidden',
position: 'absolute',
zIndex: hs.zIndexCounter++,
borderCollapse: 'collapse'
},
hs.container,
true
);
this.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' }, this.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();
};

HsOutline.prototype.preloadGraphic = function () {
var src = hs.graphicsDir + ""+ this.outlineType +".png";

var appendTo = hs.safari ? hs.container : null;
this.graphic = hs.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;
};

HsOutline.prototype.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'});
}

hs.setStyles (this.td[i], dim);
}
}

hs.pendingOutlines[this.outlineType] = this;
if (this.onLoad) this.onLoad();
};

HsOutline.prototype.destroy = function() {
hs.purge(this.table);
try { this.table.parentNode.removeChild(this.table); } catch (e) {}
};

//-----------------------------------------------------------------------------
// The expander object
HsExpander = function(a, params, custom, contentType) {
hs.continuePreloading = false;

this.custom = custom;
// override inline parameters
for (i = 0; i < hs.overrides.length; i++) {
var name = hs.overrides[i];
if (params && typeof params[name] != 'undefined') this[name] = params[name];
else this[name] = hs[name];
}

// get thumb
var el;
if (params && params.thumbnailId) el = hs.$(params.thumbnailId);
else el = a.getElementsByTagName('IMG')[0];
if (!el) el = a;

// cancel other
for (i = 0; i < hs.expanders.length; i++) {
if (hs.expanders[i] && hs.expanders[i].thumb != el && !hs.expanders[i].onLoadStarted) {
hs.expanders[i].cancelLoading();
}
}
// check if already open
for (i = 0; i < hs.expanders.length; i++) {
if (hs.expanders[i] && hs.expanders[i].a == a) {
hs.expanders[i].focus();
return false;
}
}

if (!hs.allowMultipleInstances) {
try { hs.expanders[hs.expandedImagesCounter - 1].doClose(); } catch (e){}
}

var key = this.key = hs.expandedImagesCounter++;
hs.expanders[this.key] = this;
if (contentType == 'html') {
this.isHtml = true;
this.contentType = 'html';
} else {
this.isImage = true;
this.contentType = 'image';
}
this.a = a;

this.thumbsUserSetId = el.id || a.id;
this.thumb = el;

this.overlays = [];

var pos = hs.position(el);

// instanciate the wrapper
this.wrapper = hs.createElement(
'div',
{
id: 'maineffect-wrapper-'+ this.key,
className: this.wrapperClassName
},
{
visibility: 'hidden',
position: 'absolute',
zIndex: hs.zIndexCounter++
}, null, true );
this.wrapper.onmouseover = function (e) {
try { hs.expanders[key].onMouseOver(e); } catch (e) {}
};
this.wrapper.onmouseout = function (e) {
try { hs.expanders[key].onMouseOut(e); } catch (e) {}
};

// store properties of thumbnail
this.thumbWidth = el.width ? el.width : el.offsetWidth;
this.thumbHeight = el.height ? el.height : el.offsetHeight;
this.thumbLeft = pos.x;
this.thumbTop = pos.y;

// thumb borders
this.thumbOffsetBorderW = (this.thumb.offsetWidth - this.thumbWidth) / 2;
this.thumbOffsetBorderH = (this.thumb.offsetHeight - this.thumbHeight) / 2;

// get the wrapper
hs.genContainer();
if (hs.pendingOutlines[this.outlineType]) {
this.connectOutline();
this[this.contentType +'Create']();
} else if (!this.outlineType) {
this[this.contentType +'Create']();
} else {
this.displayLoading();
var pThis = this;
new HsOutline(this.outlineType,
function () {
pThis.connectOutline();
pThis[pThis.contentType +'Create']();
}
);
}

};

HsExpander.prototype.connectOutline = function(x, y) {
var w = hs.pendingOutlines[this.outlineType];
this.objOutline = w;
hs.pendingOutlines[this.outlineType] = null;
};

HsExpander.prototype.displayLoading = function() {
if (this.onLoadStarted || this.loading) return;

this.originalCursor = this.a.style.cursor;
this.a.style.cursor = 'wait';

if (!hs.loading) {
hs.loading = hs.createElement('a',
{
className: 'maineffect-loading',
title: hs.loadingTitle,
innerHTML: hs.loadingText
},
{
position: 'absolute',
opacity: hs.loadingOpacity
}, hs.container
);
}

this.loading = hs.loading;
this.loading.href = 'javascript:hs.expanders['+ this.key +'].cancelLoading()';
this.loading.visibility = 'visible';

this.loading.style.left = (this.thumbLeft + this.thumbOffsetBorderW
+ (this.thumbWidth - this.loading.offsetWidth) / 2) +'px';
this.loading.style.top = (this.thumbTop
+ (this.thumbHeight - this.loading.offsetHeight) / 2) +'px';
setTimeout(
"if (hs.expanders["+ this.key +"] && hs.expanders["+ this.key +"].loading) "
+ "hs.expanders["+ this.key +"].loading.style.visibility = 'visible';",
100
);
};

HsExpander.prototype.imageCreate = function() {
var key = this.key;

var img = document.createElement('img');
this.content = img;
img.onload = function () { try { hs.expanders[key].onLoad(); } catch (e) {} };
img.className = 'maineffect-image';
img.style.visibility = 'hidden'; // prevent flickering in IE
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);
// uncomment to flush img size:
// img.src = null;
img.src = hs.getSrc(this.a);

this.displayLoading();
};

HsExpander.prototype.onLoad = function() {
try {

if (!this.content) return;
if (this.onLoadStarted) return; // old Gecko loop
else this.onLoadStarted = true;


if (this.loading) {
this.loading.style.visibility = 'hidden';
this.loading = null;
this.a.style.cursor = this.originalCursor || '';
}
if (this.isImage) {
this.newWidth = this.content.width;
this.newHeight = this.content.height;
this.fullExpandWidth = this.newWidth;
this.fullExpandHeight = this.newHeight;

this.content.width = this.thumbWidth;
this.content.height = this.thumbHeight;

} else if (this.htmlGetSize) this.htmlGetSize();

this.marginBottom = hs.marginBottom;
this.getCaption();

this.wrapper.appendChild(this.content);
this.content.style.position = 'relative'; // Saf
if (this.caption) this.wrapper.appendChild(this.caption);
this.wrapper.style.left = this.thumbLeft +'px';
this.wrapper.style.top = this.thumbTop +'px';
hs.container.appendChild(this.wrapper);

// correct for borders
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' };
if (this.align == 'center') {
justify.x = 'center';
justify.y = 'center';
} else {
if (this.anchor.match(/^top/)) justify.y = null;
if (this.anchor.match(/right$/)) justify.x = 'max';
if (this.anchor.match(/^bottom/)) justify.y = 'max';
if (this.anchor.match(/left$/)) justify.x = null;
}

client = new hs.clientInfo();

// justify
this.x = {
min: parseInt(this.thumbLeft) - this.offsetBorderW + this.thumbOffsetBorderW,
span: this.newWidth,
minSpan: this.newWidth < minWidth ? this.newWidth : minWidth,
justify: justify.x,
target: this.targetX,
marginMin: hs.marginLeft,
marginMax: modMarginRight,
scroll: client.scrollLeft,
clientSpan: client.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,
justify: justify.y,
target: this.targetY,
marginMin: hs.marginTop,
marginMax: this.marginBottom,
scroll: client.scrollTop,
clientSpan: client.height,
thumbSpan: this.thumbHeight
};
var oldBottom = this.y.min + parseInt(this.thumbHeight);
this.y = this.justify(this.y);

if (this.isHtml) this.htmlSizeOperations();
if (this.isImage) this.correctRatio(ratio);

var x = this.x;
var y = this.y;

this.show();
} catch (e) {
if (hs.expanders[this.key] && hs.expanders[this.key].a)
window.location.href = hs.getSrc(hs.expanders[this.key].a);
}
};

HsExpander.prototype.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 + this.spaceForCaption};
hs.hideSelects = (hs.ie && hs.ieVersion() < 7);
if (hs.hideSelects) this.showHideElements('SELECT', 'hidden', imgPos);
// Iframes bug
hs.hideIframes = (window.opera || navigator.vendor == 'KDE' || (hs.ie && hs.ieVersion() < 5.5));
if (hs.hideIframes) this.showHideElements('IFRAME', 'hidden', imgPos);

// Make outline ready
if (this.objOutline && !this.outlineWhileAnimating) this.positionOutline(this.x.min, this.y.min, this.x.span, this.y.span);
var o2 = this.objOutline ? this.objOutline.offset : 0;

// Apply size change
this.changeSize(
1,
this.thumbLeft + this.thumbOffsetBorderW - this.offsetBorderW,
this.thumbTop + this.thumbOffsetBorderH - this.offsetBorderH,
this.thumbWidth,
this.thumbHeight,
this.x.min,
this.y.min,
this.x.span,
this.y.span,
hs.expandDuration,
hs.expandSteps,
hs.outlineStartOffset,
o2
);
};

HsExpander.prototype.justify = function (p) {

var tgt, dim = p == this.x ? 'x' : 'y';
if (p.target && p.target.match(/ /)) {
tgt = p.target.split(' ');
p.target = tgt[0];
}
if (p.target && hs.$(p.target)) {
p.min = hs.position(hs.$(p.target))[dim];
if (tgt && tgt[1] && tgt[1].match(/^[-]?[0-9]+px$/)) p.min += parseInt(tgt[1]);

} else if (p.justify == 'auto' || p.justify == 'center') {
var hasMovedMin = false;
var allowReduce = true;

// calculate p.min
if (p.justify == 'center') p.min = Math.round(p.scroll + (p.clientSpan - p.span - p.marginMax) / 2);
else p.min = Math.round(p.min - ((p.span - p.thumbSpan) / 2)); // auto

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;
}
// calculate right/newWidth
if (p.min + p.span > p.scroll + p.clientSpan - p.marginMax) {
if (hasMovedMin && allowReduce) p.span = p.clientSpan - p.marginMin - p.marginMax; // can't expand more
else if (p.span < p.clientSpan - p.marginMin - p.marginMax) { // move newTop up
p.min = p.scroll + p.clientSpan - p.span - p.marginMin - p.marginMax;
} else { // image larger than client
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;
}

} else if (p.justify == 'max') {
p.min = Math.floor(p.min - p.span + p.thumbSpan);
}

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

HsExpander.prototype.correctRatio = function(ratio) {
var x = this.x;
var y = this.y;
var changed = false;
if (x.span / y.span > ratio) { // width greater
var tmpWidth = x.span;
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;
}

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);
}
};

HsExpander.prototype.changeSize = function(dir, x1, y1, w1, h1, x2, y2, w2, h2, dur, steps, oo1, oo2) {
var dW = (w2 - w1) / steps,
dH = (h2 - h1) / steps,
dX = (x2 - x1) / steps,
dY = (y2 - y1) / steps,
dOo = (oo2 - oo1) /steps,
t,
exp = "hs.expanders["+ this.key +"]";
for (i = 1; i <= steps; i++) {
w1 += dW;
h1 += dH;
x1 += dX;
y1 += dY;
oo1 += dOo;
t = Math.round(i * (dur / steps));

var s = "try {";
if (i == 1) {
s += exp +".content.style.visibility = 'visible';"
+ "if ("+ exp +".thumb.tagName == 'IMG' && hs.hideThumbOnExpand) "+ exp +".thumb.style.visibility = 'hidden';"
}
if (i == steps) {
w1 = w2;
h1 = h2;
x1 = x2;
y1 = y2;
oo1 = oo2;
}
s += exp +"."+ this.contentType +"SetSize("+ Math.round(w1) +", "+ Math.round(h1) +", "
+ Math.round(x1) +", "+ Math.round(y1) +", "+ Math.round(oo1);
s += ");} catch (e) {}";
setTimeout(s, t);
}
if (dir == 1) {
setTimeout('try { '+ exp +'.objOutline.table.style.visibility = "visible"; } catch (e){}', t);
setTimeout('try { '+ exp +'.onExpanded(); } catch(e){}', t+50);
}
else setTimeout('try { '+ exp +'.onEndClose(); } catch(e){}', t);

};

HsExpander.prototype.imageSetSize = function (w, h, x, y, offset) {
try {
this.content.width = w;
this.content.height = h;

if (this.objOutline && this.outlineWhileAnimating) {
var o = this.objOutline.offset - offset;
this.positionOutline(x + o, y + o, w - 2 * o, h - 2 * o, 1);
}

hs.setStyles ( this.wrapper,
{
'visibility': 'visible',
'left': x +'px',
'top': y +'px'
}
);

} catch (e) { window.location.href = hs.getSrc(this.a);	}
};

HsExpander.prototype.positionOutline = function(x, y, w, h, vis) {
if (!this.objOutline) return;
var o = this.objOutline;
if (vis) o.table.style.visibility = 'visible';
o.table.style.left = (x - o.offset) +'px';
o.table.style.top = (y - o.offset) +'px';
o.table.style.width = (w + 2 * (this.offsetBorderW + o.offset)) +'px';
w += 2 * (this.offsetBorderW - o.offset);
h += + 2 * (this.offsetBorderH - o.offset);
o.td[4].style.width = w >= 0 ? w +'px' : 0;
o.td[4].style.height = h >= 0 ? h +'px' : 0;
if (o.hasAlphaImageLoader) o.td[3].style.height = o.td[5].style.height = o.td[4].style.height;
};

HsExpander.prototype.onExpanded = function() {

this.isExpanded = true;
this.focus();
if (this.isHtml && this.objectLoadTime == 'after') this.writeExtendedContent();
this.createCustomOverlays();
if (hs.showCredits) this.writeCredits();

if (this.caption) this.writeCaption();

if (this.fullExpandWidth > this.x.span) this.createFullExpand();
if (!this.caption) this.onDisplayFinished();
};

HsExpander.prototype.onDisplayFinished = function() {
var key = this.key;
var outlineType = this.outlineType;
new HsOutline(outlineType, function () {
try { hs.expanders[key].preloadNext();	} catch (e) {}
});
};

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

HsExpander.prototype.cancelLoading = function() {
this.a.style.cursor = this.originalCursor;
if (this.loading) hs.loading.style.visibility = 'hidden';
hs.expanders[this.key] = null;
};

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

HsExpander.prototype.getCaption = function() {
if (!this.captionId && this.thumbsUserSetId)  this.captionId = 'caption-for-'+ this.thumbsUserSetId;
if (this.captionId) {
this.caption = hs.getNode(this.captionId);
}
if (this.captionTemplateId) {
var s = (this.caption) ? this.caption.innerHTML : '';
this.caption = hs.getNode(this.captionTemplateId);
if (this.caption) this.caption.innerHTML
= this.caption.innerHTML.replace(/\s/g, ' ').replace('{caption}', s);
}
if (this.caption) this.marginBottom += this.spaceForCaption;

};

HsExpander.prototype.writeCaption = function() {
try {
this.wrapper.style.width = this.wrapper.offsetWidth +'px';
this.caption.style.visibility = 'hidden';
this.caption.className += ' maineffect-display-block';

var height;
if (hs.ie && (hs.ieVersion() < 6 || document.compatMode == 'BackCompat')) {
height = this.caption.offsetHeight;
} else {
var temp = hs.createElement('div', {innerHTML: this.caption.innerHTML},
null, null, true); // to get height
this.caption.innerHTML = '';
this.caption.appendChild(temp);
height = this.caption.childNodes[0].offsetHeight;
this.caption.innerHTML = this.caption.childNodes[0].innerHTML;
}
hs.setStyles(this.caption, { overflow: 'hidden', height: 0, zIndex: 2 });

if (hs.captionSlideSpeed) {
step = Math.round(height/50);
if (step == 0) step = 1;
step = step * hs.captionSlideSpeed;
} else {
this.placeCaption(height, 1);
return;
}

var t = 0;
for (var h = height % step; h <= height; h += step, t += 10) {
var end = (h == height) ? 1 : 0;
var eval = "try { "
+ "hs.expanders["+ this.key +"].placeCaption("+ h +", "+ end +");"
+ "} catch (e) {}";
setTimeout (eval, t);
}

} catch (e) {}
};

HsExpander.prototype.placeCaption = function(height, end) {
if (!this.caption) return;
this.caption.style.height = height +'px';
this.caption.style.visibility = 'visible';
this.y.span = this.wrapper.offsetHeight - 2 * this.offsetBorderH;
var o = this.objOutline;
if (o) {
o.td[4].style.height = (this.wrapper.offsetHeight - 2 * this.objOutline.offset) +'px';
if (o.hasAlphaImageLoader) o.td[3].style.height = o.td[5].style.height = o.td[4].style.height;
}
if (end) this.onDisplayFinished();
};

HsExpander.prototype.showHideElements = function (tagName, visibility, imgPos) {
var els = document.getElementsByTagName(tagName);
if (els) {
for (i = 0; i < els.length; i++) {
if (els[i].nodeName == tagName) {
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.visibility = 'visible';

} else if (visibility == 'hidden') { // hide if behind
var elPos = hs.position(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 = hs.getWrapperKey(els[i]);
if (!clearsX && !clearsY && wrapperKey != this.key) { // element falls behind image
if (!els[i].currentStyle || (els[i].currentStyle && els[i].currentStyle['visibility'] != 'hidden')) { // IE
if (!hiddenBy) {
els[i].setAttribute('hidden-by', '['+ this.key +']');
} else if (!hiddenBy.match('['+ this.key +']')) {
els[i].setAttribute('hidden-by', hiddenBy + '['+ this.key +']');
}
els[i].style.visibility = 'hidden';
}
} else if (hiddenBy == '['+ this.key +']' || hs.focusKey == wrapperKey) { // on move
els[i].setAttribute('hidden-by', '');
els[i].style.visibility = 'visible';
} else if (hiddenBy && hiddenBy.match('['+ this.key +']')) {
els[i].setAttribute('hidden-by', hiddenBy.replace('['+ this.key +']', ''));
}

}
}
}
}
};

HsExpander.prototype.focus = function() {
// blur others
for (i = 0; i < hs.expanders.length; i++) {
if (hs.expanders[i] && i == hs.focusKey) {
var blurExp = hs.expanders[i];
blurExp.content.className += ' maineffect-'+ blurExp.contentType +'-blur';
if (blurExp.caption) {
blurExp.caption.className += ' maineffect-caption-blur';
}
if (blurExp.isImage) {
blurExp.content.style.cursor = hs.ie ? 'hand' : 'pointer';
blurExp.content.title = hs.focusTitle;
}
}
}

// focus this
this.wrapper.style.zIndex = hs.zIndexCounter++;
if (this.objOutline) this.objOutline.table.style.zIndex = this.wrapper.style.zIndex;

this.content.className = 'maineffect-'+ this.contentType;
if (this.caption) {
this.caption.className = this.caption.className.replace(' maineffect-caption-blur', '');
}

if (this.isImage) {
this.content.title = hs.restoreTitle;

hs.styleRestoreCursor = window.opera ? 'pointer' : 'url('+ hs.graphicsDir + hs.restoreCursor +'), move';
if (hs.ie && hs.ieVersion() < 6) hs.styleRestoreCursor = 'hand';
this.content.style.cursor = hs.styleRestoreCursor;
}

hs.focusKey = this.key;
hs.addEventListener(document, 'keydown', hs.keyHandler);

};

HsExpander.prototype.onClick = function() {
this.doClose();
};

HsExpander.prototype.doClose = function() {
hs.removeEventListener(document, 'keydown', hs.keyHandler);
try {
this.isClosing = true;

var x = parseInt(this.wrapper.style.left);
var y = parseInt(this.wrapper.style.top);
var w = (this.isImage) ? this.content.width : parseInt(this.content.style.width);
var h = (this.isImage) ? this.content.height : parseInt(this.content.style.height);

if (this.objOutline) {
if (this.outlineWhileAnimating) this.positionOutline(x, y, w, h);
else if (this.preserveContent) this.objOutline.table.style.visibility = 'hidden';
else this.objOutline.destroy();
}

// remove children
var n = this.wrapper.childNodes.length;
for (i = n - 1; i >= 0 ; i--) {
var child = this.wrapper.childNodes[i];
if (child != this.content) {
hs.purge(this.wrapper.childNodes[i]);
this.wrapper.removeChild(this.wrapper.childNodes[i]);
}
}
if (this.isHtml) this.htmlOnClose();

this.wrapper.style.width = 'auto';
this.content.style.cursor = 'default';
var o2 = this.objOutline ? this.objOutline.offset : 0;

this.changeSize(
-1,
x,
y,
w,
h,
this.thumbLeft - this.offsetBorderW + this.thumbOffsetBorderW,
this.thumbTop - this.offsetBorderH + this.thumbOffsetBorderH,
this.thumbWidth,
this.thumbHeight,
hs.restoreDuration,
hs.restoreSteps,
o2,
hs.outlineStartOffset
);

} catch (e) {
this.onEndClose();
}
};

HsExpander.prototype.onEndClose = function () {
this.thumb.style.visibility = 'visible';

if (hs.hideSelects) this.showHideElements('SELECT', 'visible');
if (hs.hideIframes) this.showHideElements('IFRAME', 'visible');

if (this.isHtml && this.preserveContent) this.sleep();
else {
if (this.objOutline && this.outlineWhileAnimating) this.objOutline.destroy();
hs.purge(this.wrapper);
if (hs.ie && hs.ieVersion() < 5.5) this.wrapper.innerHTML = ''; // crash
else this.wrapper.parentNode.removeChild(this.wrapper);
}

if (hs.mask) hs.mask.style.display = 'none';
hs.expanders[this.key] = null;

hs.cleanUp();
};

HsExpander.prototype.createOverlay = function (el, position, hideOnMouseOut, opacity) {
if (typeof el == 'string') el = hs.getNode(el);
if (!el || typeof el == 'string' || !this.isImage) return;

var overlay = hs.createElement(
'div',
null,
{
'left' : 0,
'top' : 0,
'position' : 'absolute',
'zIndex' : 3,
'visibility' : 'hidden'
},
this.wrapper,
true
);
if (opacity) hs.setStyles(el, { 'opacity': opacity });
el.className += ' maineffect-display-block';
overlay.appendChild(el);

var left = this.offsetBorderW;
var dLeft = this.content.width - overlay.offsetWidth;
var top = this.offsetBorderH;
var dTop = this.content.height - overlay.offsetHeight;

if (!position) position = 'center center';
if (position.match(/^bottom/)) top += dTop;
if (position.match(/^center/)) top += dTop / 2;
if (position.match(/right$/)) left += dLeft;
if (position.match(/center$/)) left += dLeft / 2;
overlay.style.left = left +'px';
overlay.style.top = top +'px';

if (hideOnMouseOut) overlay.setAttribute('hideOnMouseOut', true);
if (!opacity) opacity = 1;
overlay.setAttribute('opacity', opacity);
hs.fade(overlay, 0, opacity, 1);

hs.push(this.overlays, overlay);
};

HsExpander.prototype.createCustomOverlays = function() {
for (i = 0; i < hs.overlays.length; i++) {
var o = hs.overlays[i];
if (o.thumbnailId == null || o.thumbnailId == this.thumbsUserSetId) {
this.createOverlay(o.overlayId, o.position, o.hideOnMouseOut, o.opacity);
}
}
};

HsExpander.prototype.onMouseOver = function () {
for (i = 0; i < this.overlays.length; i++) {
var o = this.overlays[i];
if (o.getAttribute('hideOnMouseOut'))
hs.fade(o, 0, o.getAttribute('opacity'), 1);
}
};

HsExpander.prototype.onMouseOut = function() {
for (i = 0; i < this.overlays.length; i++) {
var o = this.overlays[i];
if (o.getAttribute('hideOnMouseOut'))
hs.fade(o, o.getAttribute('opacity'), 0, -1);
}
};

HsExpander.prototype.createFullExpand = function () {
var a = hs.createElement(
'a',
{
href: 'javascript:hs.expanders['+ this.key +'].doFullExpand();',
title: hs.fullExpandTitle
},
{
background: 'url('+ hs.graphicsDir + hs.fullExpandIcon+')',
display: 'block',
margin: '0 10px 10px 0',
width: '45px',
height: '44px'
}, null, true
);

this.createOverlay(a, 'bottom right', true, 0.75);
this.fullExpandIcon = a;
};

HsExpander.prototype.doFullExpand = function () {
try {
hs.purge(this.fullExpandIcon);
this.fullExpandIcon.parentNode.removeChild(this.fullExpandIcon);
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';

var borderOffset = this.wrapper.offsetWidth - this.content.width;

this.content.width = this.fullExpandWidth;
this.content.height = this.fullExpandHeight;

this.x.span = this.content.width;
this.wrapper.style.width = (this.x.span + borderOffset) +'px';

this.y.span = this.wrapper.offsetHeight - 2 * this.offsetBorderH;
this.positionOutline(this.x.min, this.y.min, this.x.span, this.y.span);

// reposition overlays
for (var i = 0; i < this.overlays.length; i++) {
hs.purge(this.overlays[i]);
this.overlays[i].parentNode.removeChild(this.overlays[i]);
}
if (hs.showCredits) this.writeCredits();
this.createCustomOverlays();

this.redoShowHide();

} catch (e) {
window.location.href = this.content.src;
}
};

// on end move and resize
HsExpander.prototype.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 + this.spaceForCaption
};
if (hs.hideSelects) this.showHideElements('SELECT', 'hidden', imgPos);
if (hs.hideIframes) this.showHideElements('IFRAME', 'hidden', imgPos);

};

// set handlers
hs.addEventListener(document, 'mousedown', hs.mouseClickHandler);
hs.addEventListener(document, 'mouseup', hs.mouseClickHandler);
hs.addEventListener(window, 'load', hs.preloadImages);