/******************************************************************************
Name:    Highslide JS
Version: 4.0.12 (February 4 2009)
Config:  default
Author:  Torstein Hønsi
Support: http://highslide.com/support

Licence:
Highslide JS is licensed under a Creative Commons Attribution-NonCommercial 2.5
License (http://creativecommons.org/licenses/by-nc/2.5/).

You are free:
    * to copy, distribute, display, and perform the work
    * to make derivative works

Under the following conditions:
    * Attribution. You must attribute the work in the manner  specified by  the
      author or licensor.
    * Noncommercial. You may not use this work for commercial purposes.

* For  any  reuse  or  distribution, you  must make clear to others the license
  terms of this work.
* Any  of  these  conditions  can  be  waived  if  you  get permission from the 
  copyright holder.

Your fair use and other rights are in no way affected by the above.
******************************************************************************/

var hs = {
// Language strings
lang : {
    cssDirection: 'ltr',
    loadingText : 'Chargement',
    loadingTitle : 'Cliquez pour annuler',
    focusTitle : 'Cliquez pour mettre en avant-plan',
    fullExpandTitle : 'Expandre pour grandeur réelle',
    creditsText : 'Powered by <i>Highslide JS</i>',
    creditsTitle : 'Go to the Highslide JS homepage',
    restoreTitle : 'Cliquez pour fermer ou glissez-déposer pour déplacer l\'image.'
},
// See http://highslide.com/ref for examples of settings  
graphicsDir : 'highslide/graphics/',
expandCursor : 'zoomin.cur', // null disables
restoreCursor : 'zoomout.cur', // null disables
expandDuration : 250, // milliseconds
restoreDuration : 250,
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
padToMinWidth : false, // pad the popup width to make room for wide caption
fullExpandPosition : 'bottom right',
fullExpandOpacity : 1,
showCredits : true, // you can set this to false if you want
creditsHref : 'http://highslide.com/',
enableKeyListener : true,
openerTagNames : ['a'], // Add more to allow slideshow indexing

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 : 'highslide-wrapper', // for enhanced css-control
// END OF YOUR SETTINGS


// declare internal properties
preloadTheseImages : [],
continuePreloading: true,
expanders : [],
overrides : [
    'allowSizeReduction',
    'useBox',
    'outlineType',
    'outlineWhileAnimating',
    'captionId',
    'captionText',
    'captionEval',
    'captionOverlay',
    'headingId',
    'headingText',
    'headingEval',
    'headingOverlay',
    'dragByHeading',
    
    'width',
    'height',
    
    '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) 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) {
        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];
    }
},

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

getPageSize : function () {
    var d = document, w = window, iebody = d.compatMode && d.compatMode != 'BackCompat' 
        ? d.documentElement : d.body;
    
    var width = hs.ie ? iebody.clientWidth : 
            (d.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
    }
},

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, type) {
    if (!a) a = hs.createElement('a', null, { display: 'none' }, hs.container);
    if (typeof a.getParams == 'function') return params;    
    try {   
        new hs.Expander(a, params, custom);
        return false;
    } catch (e) { return true; }
},


focusTopmost : function() {
    var topZ = 0, topmostKey = -1;
    for (var 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();
},

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 = '';
},
transit : function (adj, exp) {
    hs.last = exp = exp || hs.getExpander();
    try {
        hs.upcoming = adj;
        adj.onclick();      
    } catch (e){
        hs.last = hs.upcoming = null;
    }
    try {
        exp.close();
    } catch (e) {}
    return false;
},

previousOrNext : function (el, op) {
    var exp = hs.getExpander(el),
        adj = exp.getAdjacentAnchor(op);
    return hs.transit(adj, exp);
},

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 (typeof e.target.form != 'undefined') return true; // form element has focus
    var exp = hs.getExpander();
    
    var op = null;
    switch (e.keyCode) {
        case 70: // f
            if (exp) exp.doFullExpand();
            return true;
        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) {hs.removeEventListener(document, window.opera ? 'keypress' : 'keydown', hs.keyHandler);
        if (!hs.enableKeyListener) return true;
        
        if (e.preventDefault) e.preventDefault();
        else e.returnValue = false;
        
        if (exp) {
            if (op == 0) {
                exp.close();
            } else {
                hs.previousOrNext(exp.key, op);
            }
            return false;
        }
    }
    return true;
},


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


getWrapperKey : function (element, expOnly) {
    var el, re = /^highslide-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
    if (!expOnly) {
        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, expOnly) {
    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, expOnly)] || null;
},

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

reOrder : function () {
    for (var 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;
    
    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.pos, width: exp.x.size, top: exp.y.pos, 
                height: exp.y.size, 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.styleRestoreCursor && 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();
            } 
            else if (hasDragged || (!hasDragged && hs.hasHtmlExpanders)) {
                hs.dragArgs.exp.doShowHide('hidden');
            }
            
            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) {
        
        if (a.type == 'resize') exp.resize(a);
        else {
            exp.moveTo(a.left + a.dX, a.top + a.dY);
            if (a.type == 'image') exp.content.style.cursor = 'move';
        }
    }
    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.isExpanded) return;
        if (!exp || !e.relatedTarget || hs.getExpander(e.relatedTarget, true) == exp 
            || hs.dragArgs) return;
        for (var i = 0; i < exp.overlays.length; i++) {
            var o = hs.$('hsId'+ exp.overlays[i]);
            if (o && o.hideOnMouseOut) {
                var from = over ? 0 : o.opacity,
                    to = over ? o.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;
        }
    }
},

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


init : function () {
    if (!hs.container) {
        hs.container = hs.createElement('div', {
                className: 'highslide-container'
            }, {
                position: 'absolute', 
                left: 0, 
                top: 0, 
                width: '100%', 
                zIndex: hs.zIndexCounter,
                direction: 'ltr'
            }, 
            document.body,
            true
        );
        hs.loading = hs.createElement('a', {
                className: 'highslide-loading',
                title: hs.lang.loadingTitle,
                innerHTML: hs.lang.loadingText,
                href: 'javascript:;'
            }, {
                position: 'absolute',
                top: '-9999px',
                opacity: hs.loadingOpacity,
                zIndex: 1
            }, hs.container
        );
        hs.garbageBin = hs.createElement('div', null, { display: 'none' }, hs.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 hs.langDefaults) {
            if (typeof hs[x] != 'undefined') hs.lang[x] = hs[x];
            else if (typeof hs.lang[x] == 'undefined' && typeof hs.langDefaults[x] != 'undefined') 
                hs.lang[x] = hs.langDefaults[x];
        }
        
        hs.hideSelects = (hs.ie && hs.ieVersion() < 7);
        hs.hideIframes = ((window.opera && navigator.appVersion < 9) || navigator.vendor == 'KDE' 
            || (hs.ie && hs.ieVersion() < 5.5));
    }
},
domReady : function() {
    hs.isDomReady = true;
    if (hs.onDomReady) hs.onDomReady();
},

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

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


fade : function (el, o, oFinal, dur, fn, i, dir) {
    if (typeof i == 'undefined') { // new fader
        if (typeof dur != 'number') dur = 250;
        if (dur < 25) { // instant
            hs.setStyles( el, { opacity: oFinal });
            if (fn) fn();
            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)) { 
        if (fn) fn();
        return;
    }
    if (el.fading && el.fading.i != i) {
        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, fn, i, dir);
    }, 25);
},

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


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.init();
    this.table = hs.createElement(
        'table', { 
            cellSpacing: 0 
        }, {
            visibility: 'hidden',
            position: 'absolute',
            borderCollapse: 'collapse',
            width: 0
        },
        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 +' highslide-outline';
    
    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', 
        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' };
    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, pos, vis) {
    pos = pos || {
        x: exp.x.pos,
        y: exp.y.pos,
        w: exp.x.size + exp.x.p1 + exp.x.p2,
        h: exp.y.size + exp.y.p1 + exp.y.p2
    };
    if (vis) this.table.style.visibility = (pos.h >= 4 * this.offset) 
        ? 'visible' : 'hidden';
    hs.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);
    hs.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 hs.discardElement(this.table);
}
};

hs.Dimension = function(exp, dim) {
    this.exp = exp;
    this.dim = dim;
    this.ucwh = dim == 'x' ? 'Width' : 'Height';
    this.wh = this.ucwh.toLowerCase();
    this.uclt = dim == 'x' ? 'Left' : 'Top';
    this.lt = this.uclt.toLowerCase();
    this.ucrb = dim == 'x' ? 'Right' : 'Bottom';
    this.rb = this.ucrb.toLowerCase();
    this.p1 = this.p2 = 0;
};
hs.Dimension.prototype = {
get : function(key) {
    switch (key) {
        case 'loadingPos':
            return this.tpos + this.tb + (this.t - hs.loading['offset'+ this.ucwh]) / 2;
        case 'wsize':
            return this.size + 2 * this.cb + this.p1 + this.p2;
        case 'fitsize':
            return this.clientSize - this.marginMin - this.marginMax;
        case 'opos':
            return this.pos - (this.exp.outline ? this.exp.outline.offset : 0);
        case 'osize':
            return this.get('wsize') + (this.exp.outline ? 2*this.exp.outline.offset : 0);
        case 'imgPad':
            return this.imgSize ? Math.round((this.size - this.imgSize) / 2) : 0;
        
    }
},
calcBorders: function() {
    // correct for borders
    this.cb = (this.exp.content['offset'+ this.ucwh] - this.t) / 2;
    this.marginMax = hs['margin'+ this.ucrb] + 2 * this.cb;
},
calcThumb: function() {
    this.t = this.exp.el[this.wh] ? parseInt(this.exp.el[this.wh]) : 
        this.exp.el['offset'+ this.ucwh];
    this.tpos = this.exp.tpos[this.dim];
    this.tb = (this.exp.el['offset'+ this.ucwh] - this.t) / 2;
    if (this.tpos == 0) {
        this.tpos = (hs.page[this.wh] / 2) + hs.page['scroll'+ this.uclt];      
    };
},
calcExpanded: function() {
    var exp = this.exp;
    this.justify = 'auto';
    
    
    // size and position
    this.pos = this.tpos - this.cb + this.tb;
    this.size = Math.min(this.full, exp['max'+ this.ucwh] || this.full);
    this.minSize = exp.allowSizeReduction ? 
        Math.min(exp['min'+ this.ucwh], this.full) :this.full;
    if (exp.useBox) {
        this.size = exp[this.wh];
        this.imgSize = this.full;
    }
    if (this.dim == 'x' && hs.padToMinWidth) this.minSize = exp.minWidth;
    this.marginMin = hs['margin'+ this.uclt];
    this.scroll = hs.page['scroll'+ this.uclt];
    this.clientSize = hs.page[this.wh];
},
setSize: function(i) {
    var exp = this.exp;
    if (exp.isImage && (exp.useBox || hs.padToMinWidth)) {
        this.imgSize = i;
        this.size = Math.max(this.size, this.imgSize);
        exp.content.style[this.lt] = this.get('imgPad')+'px';
    } else
    this.size = i;

    exp.content.style[this.wh] = i +'px';
    exp.wrapper.style[this.wh] = this.get('wsize') +'px';
    if (exp.outline) exp.outline.setPosition(exp);
    if (this.dim == 'x' && exp.overlayBox) exp.sizeOverlayBox(true);
},
setPos: function(i) {
    this.pos = i;
    this.exp.wrapper.style[this.lt] = i +'px';  
    
    if (this.exp.outline) this.exp.outline.setPosition(this.exp);
    
}
};

hs.Expander = function(a, params, custom, contentType) {
    if (document.readyState && hs.ie && !hs.isDomReady) {
        hs.onDomReady = function() {
            new hs.Expander(a, params, custom, contentType);
        };
        return;
    } 
    this.a = a;
    this.custom = custom;
    this.contentType = contentType || 'image';
    this.isImage = !this.isHtml;
    
    hs.continuePreloading = false;
    this.overlays = [];
    hs.init();
    var key = this.key = hs.expanders.length;
    
    // override inline parameters
    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];
    }
    if (!this.src) this.src = a.href;
    
    // get thumb
    var el = (params && params.thumbnailId) ? hs.$(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 < hs.expanders.length; i++) {
        if (hs.expanders[i] && hs.expanders[i].a == a) {
            hs.expanders[i].focus();
            return false;
        }
    }   

    // cancel other
    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.allowMultipleInstances && !hs.upcoming) {
        if (hs.expanders[key-1]) hs.expanders[key-1].close();
        if (typeof hs.focusKey != 'undefined' && hs.expanders[hs.focusKey])
            hs.expanders[hs.focusKey].close();
    }
    
    // initiate metrics
    this.el = el;
    this.tpos = hs.getPosition(el);
    hs.page = hs.getPageSize();
    var x = this.x = new hs.Dimension(this, 'x');
    x.calcThumb();
    var y = this.y = new hs.Dimension(this, 'y');
    y.calcThumb();
    
    // instanciate the wrapper
    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;
    
    // get the outline
    if (!this.outlineType) {
        this[this.contentType +'Create']();
    
    } else if (hs.pendingOutlines[this.outlineType]) {
        this.connectOutline();
        this[this.contentType +'Create']();
    
    } else {
        this.showLoading();
        var exp = this;
        new hs.Outline(this.outlineType, 
            function () {
                exp.connectOutline();
                exp[exp.contentType +'Create']();
            } 
        );
    }
    return true;
};

hs.Expander.prototype = {

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

showLoading : function() {
    if (this.onLoadStarted || this.loading) return;
    
    this.loading = hs.loading;
    var exp = this;
    this.loading.onclick = function() {
        exp.cancelLoading();
    };
    var exp = this, 
        l = this.x.get('loadingPos') +'px',
        t = this.y.get('loadingPos') +'px';
    setTimeout(function () { 
        if (exp.loading) hs.setStyles(exp.loading, { left: l, top: t, zIndex: hs.zIndexCounter++ })}
    , 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';
    hs.setStyles(img, {
        visibility: 'hidden',
        display: 'block',
        position: 'absolute',
        maxWidth: '9999px',
        zIndex: 3
    });
    img.title = hs.lang.restoreTitle;
    if (hs.safari) hs.container.appendChild(img);
    if (hs.ie && hs.flushImgSize) img.src = null;
    img.src = this.src;
    
    this.showLoading();
},

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) {
            hs.setStyles(this.loading, { top: '-9999px' });
            this.loading = null;
        }
        
        hs.setStyles (this.wrapper, {
            left: x.tpos +'px',
            top: y.tpos +'px'
        }); 
            x.full = this.content.width;
            y.full = this.content.height;
            
            hs.setStyles(this.content, {
                width: this.x.t +'px',
                height: this.y.t +'px'
            });
            this.wrapper.appendChild(this.content);
            hs.container.appendChild(this.wrapper);
        
        x.calcBorders();
        y.calcBorders();
        this.getOverlays();
        
        var ratio = x.full / y.full;
        
        x.calcExpanded();
        this.justify(x);
        
        y.calcExpanded();
        this.justify(y);
        if (this.overlayBox) this.sizeOverlayBox(0, 1);
        
        if (this.allowSizeReduction) {
                this.correctRatio(ratio);
            if (this.isImage && this.x.full > (this.x.imgSize || this.x.size)) {
                this.createFullExpand();
                if (this.overlays.length == 1) this.sizeOverlayBox();
            }
        }
        this.show();
        
    } catch (e) {
        window.location.href = this.src;
    }
},

justify : function (p, moveOnly) {
    var tgtArr, tgt = p.target, dim = p == this.x ? 'x' : 'y';
    
        var hasMovedMin = false;
        
        var allowReduce = p.exp.allowSizeReduction;
            p.pos = Math.round(p.pos - ((p.get('wsize') - p.t) / 2));
        if (p.pos < p.scroll + p.marginMin) {
            p.pos = p.scroll + p.marginMin;
            hasMovedMin = true;     
        }
        if (!moveOnly && p.size < p.minSize) {
            p.size = p.minSize;
            allowReduce = false;
        }
        if (p.pos + p.get('wsize') > p.scroll + p.clientSize - p.marginMax) {
            if (!moveOnly && hasMovedMin && allowReduce) {
                p.size = p.get('fitsize')- 2 * p.cb - p.p1 - p.p2; // can't expand more
            } else if (p.get('wsize') < p.get('fitsize')) {
                p.pos = p.scroll + p.clientSize - p.marginMax - p.get('wsize');
            } else { // image larger than viewport
                p.pos = p.scroll + p.marginMin;
                if (!moveOnly && allowReduce) p.size = p.get('fitsize')- 2 * p.cb - p.p1 - p.p2;
            }           
        }
        
        if (!moveOnly && p.size < p.minSize) {
            p.size = p.minSize;
            allowReduce = false;
        }
        
    
        
    if (p.pos < p.marginMin) {
        var tmpMin = p.pos;
        p.pos = p.marginMin; 
        
        if (allowReduce && !moveOnly) p.size = p.size - (p.pos - tmpMin);
        
    }
},

correctRatio : function(ratio) {
    var x = this.x, 
        y = this.y,
        changed = false,
        xSize = Math.min(x.full, x.size),
        ySize = Math.min(y.full, y.size),
        useBox = (this.useBox || hs.padToMinWidth);
    
    if (xSize / ySize > ratio) { // width greater
        xSize = ySize * ratio;
        if (xSize < x.minSize) { // below minWidth
            xSize = x.minSize;
            ySize = xSize / ratio;
        }
        changed = true;
    
    } else if (xSize / ySize < ratio) { // height greater
        ySize = xSize / ratio;
        changed = true;
    }
    
    if (hs.padToMinWidth && x.full < x.minSize) {
        x.imgSize = x.full;
        y.size = y.imgSize = y.full;
    } else if (this.useBox) {
        x.imgSize = xSize;
        y.imgSize = ySize;
    } else {
        x.size = xSize;
        y.size = ySize;
    }
    this.fitOverlayBox(useBox ? null : ratio);
    if (useBox && y.size < y.imgSize) {
        y.imgSize = y.size;
        x.imgSize = y.size * ratio;
    }
    if (changed || useBox) {
        x.pos = x.tpos - x.cb + x.tb;
        x.minSize = x.size;
        this.justify(x, true);
    
        y.pos = y.tpos - y.cb + y.tb;
        y.minSize = y.size;
        this.justify(y, true);
        if (this.overlayBox) this.sizeOverlayBox();
    }
},
fitOverlayBox : function(ratio) {
    var x = this.x, y = this.y;
    if (this.overlayBox) {
        while (y.size > this.minHeight && x.size > this.minWidth 
                &&  y.get('wsize') > y.get('fitsize')) {
            y.size -= 10;
            if (ratio) x.size = y.size * ratio;
            this.sizeOverlayBox(0, 1);
        }
    }
},

show : function () {
    this.doShowHide('hidden');
    // Apply size change
    this.changeSize(
        1,
        { 
            xpos: this.x.tpos + this.x.tb - this.x.cb,
            ypos: this.y.tpos + this.y.tb - this.y.cb,
            xsize: this.x.t,
            ysize: this.y.t,
            xp1: 0,
            xp2: 0,
            yp1: 0,
            yp2: 0,
            ximgSize: this.x.t,
            ximgPad: 0,
            yimgSize: this.y.t,
            yimgPad: 0,
            o: hs.outlineStartOffset
        },
        {
            xpos: this.x.pos,
            ypos: this.y.pos,
            xsize: this.x.size,
            ysize: this.y.size,
            xp1: this.x.p1,
            yp1: this.y.p1,
            xp2: this.x.p2,
            yp2: this.y.p2,
            ximgSize: this.x.imgSize,
            ximgPad: this.x.get('imgPad'),
            yimgSize: this.y.imgSize,
            yimgPad: this.y.get('imgPad'),
            o: this.outline ? this.outline.offset : 0
        },
        hs.expandDuration
    );
},

changeSize : function(up, from, to, dur) {
    
    if (this.outline && !this.outlineWhileAnimating) {
        if (up) this.outline.setPosition(this);
        else this.outline.destroy();
    }
    
    
    if (!up && this.overlayBox) {
        hs.discardElement(this.overlayBox);
    }
    if (this.fadeInOut) {
        from.op = up ? 0 : 1;
        to.op = up;
    }
    var t,
        exp = this,
        easing = Math[this.easing] || Math.easeInQuad,
        steps = (up ? hs.expandSteps : hs.restoreSteps) || parseInt(dur / 25) || 1;
    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 (isNaN(size[x])) size[x] = to[x];
                if (!/^op$/.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.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) hs.setStyles(this.wrapper, { opacity: to.op });
        hs.setStyles ( this.wrapper, {
            width : (to.xsize +to.xp1 + to.xp2 +
                2 * this.x.cb) +'px',
            height : (to.ysize +to.yp1 + to.yp2 +
                2 * this.y.cb) +'px',
            left: to.xpos +'px',
            top: to.ypos +'px'
        });
        hs.setStyles(this.content, {
            left: (to.xp1 + to.ximgPad) +'px',
            top: (to.yp1 + to.yimgPad) +'px',
            width: (to.ximgSize ||to.xsize) +'px',
            height: (to.yimgSize ||to.ysize) +'px'
        });
        
        if (this.outline && this.outlineWhileAnimating) {
            var o = this.outline.offset - to.o;
            this.outline.setPosition(this, {
                x: to.xpos + o, 
                y: to.ypos + o, 
                w: to.xsize + to.xp1 + to.xp2 + - 2 * o, 
                h: to.ysize + to.yp1 + to.yp2 + - 2 * o
            }, 1);
        }
            
        this.wrapper.style.visibility = 'visible';
        
    } catch (e) {
        window.location.href = this.src;    
    }
},


afterExpand : function() {
    this.isExpanded = true; 
    this.focus();
    this.prepareNextOutline();
    
    
    var p = hs.page, mX = hs.mouse.x + p.scrollLeft, mY = hs.mouse.y + p.scrollTop;
    this.mouseIsOver = this.x.pos < mX && mX < this.x.pos + this.x.get('wsize')
        && this.y.pos < mY && mY < this.y.pos + this.y.get('wsize');
    
    if (this.overlayBox) this.showOverlays();
    
},


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


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


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


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.lang.creditsText,
        title: hs.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] = hs.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 && !hs.isHsAnchor(next)) {
                if ((new RegExp('highslide-'+ type)).test(next.className || null)) {
                    this[type] = next.cloneNode(1);
                    break;
                }
                next = next.nextSibling;
            }
        }
        
        if (!this[type] && s) this[type] = hs.createElement('div', 
                { className: 'highslide-'+ 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);
        }
    }
},


// on end move and resize
doShowHide : function(visibility) {
    if (hs.hideSelects) this.showHideElements('SELECT', visibility);
    if (hs.hideIframes) this.showHideElements('IFRAME', visibility);
    if (hs.geckoMac) this.showHideElements('*', visibility);
},
showHideElements : function (tagName, visibility) {
    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 = hs.getPosition(els[i]);
                elPos.w = els[i].offsetWidth;
                elPos.h = els[i].offsetHeight;
            
                
                    var clearsX = (elPos.x + elPos.w < this.x.get('opos') 
                        || elPos.x > this.x.get('opos') + this.x.get('osize'));
                    var clearsY = (elPos.y + elPos.h < this.y.get('opos') 
                        || elPos.y > this.y.get('opos') + this.y.get('osize'));
                var wrapperKey = hs.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.indexOf('['+ this.key +']') == -1) {
                        els[i].setAttribute('hidden-by', hiddenBy + '['+ this.key +']');
                    }
                } else if ((hiddenBy == '['+ this.key +']' || hs.focusKey == wrapperKey)
                        && wrapperKey != this.key) { // on move
                    els[i].setAttribute('hidden-by', '');
                    els[i].style[prop] = els[i].origProp || '';
                } else if (hiddenBy && hiddenBy.indexOf('['+ this.key +']') > -1) {
                    els[i].setAttribute('hidden-by', hiddenBy.replace('['+ this.key +']', ''));
                }
                        
            }
        }
    }
},

focus : function() {
    this.wrapper.style.zIndex = hs.zIndexCounter++;
    // blur others
    for (var i = 0; i < hs.expanders.length; i++) {
        if (hs.expanders[i] && i == hs.focusKey) {
            var blurExp = hs.expanders[i];
            blurExp.content.className += ' highslide-'+ blurExp.contentType +'-blur';
                blurExp.content.style.cursor = hs.ie ? 'hand' : 'pointer';
                blurExp.content.title = hs.lang.focusTitle;
        }
    }
    
    // focus this
    if (this.outline) this.outline.table.style.zIndex 
        = this.wrapper.style.zIndex;
    this.content.className = 'highslide-'+ this.contentType;
        this.content.title = hs.lang.restoreTitle;
        
        if (hs.restoreCursor) {
            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; 
    hs.addEventListener(document, window.opera ? 'keypress' : 'keydown', hs.keyHandler);    
},
moveTo: function(x, y) {
    this.x.setPos(x);
    this.y.setPos(y);
},
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.isImage && 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.isImage) w = h * r;
    }
    this.resizeTo(w, h);
},
resizeTo: function(w, h) {
    this.y.setSize(h);
    this.x.setSize(w);
},

close : function() {
    if (this.isClosing || !this.isExpanded) return;
    this.isClosing = true;
    
    hs.removeEventListener(document, window.opera ? 'keypress' : 'keydown', hs.keyHandler);
    
    try {
        this.content.style.cursor = 'default';
        this.changeSize(
            0, {
                xpos: this.x.pos,
                ypos: this.y.pos,
                xsize: this.x.size,
                ysize: this.y.size,
                xp1: this.x.p1,
                yp1: this.y.p1,
                xp2: this.x.p2,
                yp2: this.y.p2,
                ximgSize: this.x.imgSize,
                ximgPad: this.x.get('imgPad'),
                yimgSize: this.y.imgSize,
                yimgPad: this.y.get('imgPad'),
                o: this.outline ? this.outline.offset : 0
            }, {
                xpos: this.x.tpos - this.x.cb + this.x.tb,
                ypos: this.y.tpos - this.y.cb + this.y.tb,
                xsize: this.x.t,
                ysize: this.y.t,
                xp1: 0,
                yp1: 0,
                xp2: 0,
                yp2: 0,
                ximgSize: this.x.imgSize ? this.x.t : null,
                ximgPad: 0,
                yimgSize: this.y.imgSize ? this.y.t : null,
                yimgPad: 0,
                o: hs.outlineStartOffset
            },
            hs.restoreDuration
        );
        
    } 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;
    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 = hs.createElement(
        'div', { 
            id: 'hsId'+ hs.idCounter++, hsId: o.hsId
        }, {
            position: 'absolute',
            visibility: 'hidden',
            width: width,
            direction: hs.lang.cssDirection || ''
        },
        this.overlayBox,
        true
    );
    
    overlay.appendChild(el);
    hs.setAttribs(overlay, {
        hideOnMouseOut: o.hideOnMouseOut,
        opacity: o.opacity || 1,
        hsPos: o.position,
        fade: o.fade
    });
    
    if (this.gotOverlays) {
        this.positionOverlay(overlay);
        if (!overlay.hideOnMouseOut || this.mouseIsOver) hs.fade(overlay, 0, overlay.opacity);
    }
    hs.push(this.overlays, hs.idCounter - 1);
},
positionOverlay : function(overlay) {
    var p = overlay.hsPos || 'middle center';
    if (/left$/.test(p)) overlay.style.left = 0; 
    if (/center$/.test(p))  hs.setStyles (overlay, { 
        left: '50%',
        marginLeft: '-'+ Math.round(overlay.offsetWidth / 2) +'px'
    }); 
    if (/right$/.test(p))   overlay.style.right = 0;
    
    if (/^leftpanel$/.test(p)) { 
        hs.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$/.test(p)) {
        hs.setStyles(overlay, {
            left: '100%',
            marginLeft: this.x.cb +'px',
            top: - this.y.cb +'px',
            bottom: - this.y.cb +'px',
            overflow: 'auto'
        });
        this.x.p2 = overlay.offsetWidth;
    }
    if (/^top/.test(p)) overlay.style.top = 0; 
    if (/^middle/.test(p))  hs.setStyles (overlay, { 
        top: '50%', 
        marginTop: '-'+ Math.round(overlay.offsetHeight / 2) +'px'
    }); 
    if (/^bottom/.test(p)) overlay.style.bottom = 0;
    if (/^above$/.test(p)) {
        hs.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)) {
        hs.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 += ' highslide-move';
    if (hs.showCredits) this.writeCredits();
    for (var i = 0; i < hs.overlays.length; i++) {
        var o = hs.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 = hs.$('hsId'+ this.overlays[i]);
        if (/panel$/.test(o.hsPos)) this.positionOverlay(o);
        else hs.push(os, o);
    }
    for (var i = 0; i < os.length; i++) this.positionOverlay(os[i]);
    this.gotOverlays = true;
},
genOverlayBox : function() {
    if (!this.overlayBox) this.overlayBox = hs.createElement (
        'div', {
            className: this.wrapperClassName
        }, {
            position : 'absolute',
            width: this.x.size ? this.x.size +'px' : this.x.full +'px',
            height: 0,
            visibility : 'hidden',
            overflow : 'hidden',
            zIndex : hs.ie ? 4 : null
        },
        hs.container,
        true
    );
},
sizeOverlayBox : function(doWrapper, doPanels) {
    hs.setStyles( this.overlayBox, {
        width: this.x.size +'px', 
        height: this.y.size +'px'
    });
    if (doWrapper || doPanels) {
        for (var i = 0; i < this.overlays.length; i++) {
            var o = hs.$('hsId'+ this.overlays[i]);
            var ie6 = (hs.ie && (hs.ieVersion() <= 6 || document.compatMode == 'BackCompat'));
            if (o && /^(above|below)$/.test(o.hsPos)) {
                if (ie6) {
                    o.style.width = (this.overlayBox.offsetWidth + 2 * this.x.cb
                        + this.x.p1 + this.x.p2) +'px';
                }
                this.y[o.hsPos == 'above' ? 'p1' : 'p2'] = o.offsetHeight;
            }
            if (o && ie6 && /^(left|right)panel$/.test(o.hsPos)) {
                o.style.height = (this.overlayBox.offsetHeight + 2 * this.y.cb
                        + this.y.p1 + this.y.p2) +'px';
            }
        }
    }
    if (doWrapper) {
        hs.setStyles(this.content, {
            top: this.y.p1 +'px'
        });
        hs.setStyles(this.overlayBox, {
            top: (this.y.p1 + this.y.cb) +'px'
        });
    }
},

showOverlays : function() {
    var b = this.overlayBox;
    b.className = '';
    hs.setStyles(b, {
        top: (this.y.p1 + this.y.cb) +'px',
        left: (this.x.p1 + this.x.cb) +'px',
        overflow : 'visible'
    });
    if (hs.safari) b.style.visibility = 'visible';
    this.wrapper.appendChild (b);
    for (var i = 0; i < this.overlays.length; i++) {
        var o = hs.$('hsId'+ this.overlays[i]);
        o.style.zIndex = 4;
        if (!o.hideOnMouseOut || this.mouseIsOver) hs.fade(o, 0, o.opacity);
    }
},



createFullExpand : function () {
    this.fullExpandLabel = hs.createElement(
        'a', {
            href: 'javascript:hs.expanders['+ this.key +'].doFullExpand();',
            title: hs.lang.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();
        var xSize = this.x.size;
        this.resizeTo(this.x.full, this.y.full);
        
        var xpos = this.x.pos - (this.x.size - xSize) / 2;
        if (xpos < hs.marginLeft) xpos = hs.marginLeft;
        
        this.moveTo(xpos, this.y.pos);
        this.doShowHide('hidden');
    
    } catch (e) {
        window.location.href = this.content.src;
    }
},


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

};
if (document.readyState && hs.ie) {
    (function () {
        try {
            document.documentElement.doScroll('left');
        } catch (e) {
            setTimeout(arguments.callee, 50);
            return;
        }
        hs.domReady();
    })();
}
hs.langDefaults = hs.lang;
// history
var HsExpander = hs.Expander;

// set handlers
hs.addEventListener(window, 'load', function() {
    if (hs.expandCursor) {
        var sel = '.highslide img', 
            dec = 'cursor: url('+ hs.graphicsDir + hs.expandCursor +'), pointer !important;';
            
        var style = hs.createElement('style', { type: 'text/css' }, null, 
            document.getElementsByTagName('HEAD')[0]);
    
        if (!hs.ie) {
            style.appendChild(document.createTextNode(sel + " {" + dec + "}"));
        } else {
            var last = document.styleSheets[document.styleSheets.length - 1];
            if (typeof(last.addRule) == "object") last.addRule(sel, dec);
        }
    }
});
hs.addEventListener(document, 'mousemove', function(e) {
    hs.mouse = { x: e.clientX, y: e.clientY };
});
hs.addEventListener(document, 'mousedown', hs.mouseClickHandler);
hs.addEventListener(document, 'mouseup', hs.mouseClickHandler);
hs.addEventListener(window, 'load', hs.preloadImages);