/******************************************************************************
Version 2.2.8 (January 10 2007)

Author:  Torstein Hønsi
Support: http://vikjavev.no/highslide/forum
Email:   See http://vikjavev.no/megsjol

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 = {

// Apply your own settings here, or override them in the html file.  
graphicsDir : 'js/graphics/',
restoreCursor : "zoomout.cur", // necessary for preload
fullExpandIcon : 'fullexpand.gif',
expandSteps : 10, // number of steps in zoom. Each step lasts for duration/step milliseconds.
expandDuration : 250, // milliseconds
restoreSteps : 10,
restoreDuration : 250,
captionSlideSpeed : 1, // set to 0 to disable slide in effect
numberOfImagesToPreload : 5, // set to 0 for no preload
marginLeft : 10,
marginRight : 35, // leave room for scrollbars + outline
marginTop : 10,
marginBottom : 35, // leave room for scrollbars + outline
zIndexCounter : 1001, // adjust to other absolutely positioned elements
slideInOutline : true, // whether the outline should appear at once or slide in
fullExpandTitle : 'Expand to actual size',
restoreTitle : 'Click to close image, click and drag to move. Use arrow keys for next and previous.',
focusTitle : 'Click to bring to front',
loadingText : 'Loading...',
loadingTitle : 'Click to cancel',
loadingOpacity : 0.75,
showCredits : false, // you can set this to false if you want
creditsText : '',
creditsHref : '',
creditsTitle : '',


// 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)
captionId : null,
slideshowGroup : '', // defines groups for next/previous links and keystrokes
enableKeyListener : true,
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 : new Array(),
continuePreloading: true,
expandedImagesCounter : 0,
expanders : new Array(),
overrides : new Array(
     'anchor',
     'align',
     'outlineType', 
     'spaceForCaption', 
     'wrapperClassName',
     'minWidth',
     'minHeight',
     'captionId',
     'allowSizeReduction',
     'slideshowGroup',
     'enableKeyListener'
),
overlays : new Array(),
toggleImagesGroup : null,

// drag functionality
ie : (document.all && !window.opera),
nn6 : document.getElementById && !document.all,
safari : navigator.userAgent.indexOf("Safari") != -1,
hasFocused : false,
isDrag : false,

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

createElement : function (tag, attribs, styles, parent) {
     var el = document.createElement(tag);
     if (attribs) hs.setAttribs(el, attribs);
     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) {
          el.style[x] = styles[x];
     }
},

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

//--- Find client width and height
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;
} ,

//--- Finds the position of an element
position : function(el)  { 
     var parent = el;
     var p = Array();
     p.x = parent.offsetLeft;
     p.y = parent.offsetTop;
     while (parent.offsetParent)   {
          parent = parent.offsetParent;
          p.x += parent.offsetLeft;
          p.y += parent.offsetTop;
     }
     return p;
}, 

expand : function(a, params, contentType) {
     try {
          new HsExpander(a, params, contentType);
          return false;
          
     } catch(e) {
          return true;
     }
     
},

//--- Focus the topmost image after restore
focusTopmost : function() {
     var topZ = 0;
     var 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(elId) { // for text links
     for (i = 0; i < hs.expanders.length; i++) {
          if (hs.expanders[i] && (hs.expanders[i].thumb.id == elId || hs.expanders[i].a.id == elId)) {
               hs.expanders[i].doClose();
               return;
          }
     }
},

close : function(el) {
     var key = hs.getWrapperKey(el);
     if (hs.expanders[key]) hs.expanders[key].doClose();
     return false;
},


toggleImages : function(closeId, expandEl) {
     if (closeId) hs.closeId(closeId);
     if (hs.ie) expandEl.href = expandEl.href.replace('about:(blank)?', ''); // mysterious IE thing
     hs.toggleImagesExpandEl = expandEl;
     return false;
},

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

},

getSrc : function (a) {
     return a.rel.replace(/_slash_/g, '/') || a.href;
},

previousOrNext : function (el, op) {
     if (typeof el == 'object') var activeKey = hs.getWrapperKey(el);
     else if (typeof el == 'number') var activeKey = el;
     if (hs.expanders[activeKey]) {
          hs.toggleImagesExpandEl = hs.getAdjacentAnchor(activeKey, op);
          hs.toggleImagesGroup = hs.expanders[activeKey].slideshowGroup;
          hs.expanders[activeKey].doClose();
     }
     
     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 left
               op = 1;
               break;
          case 33: // Page Up
          case 37: // Arrow left
          case 38: // Arrow down
               op = -1;
               break;
          case 27: // Escape
          case 13: // Enter
               if (hs.expanders[hs.focusKey]) hs.expanders[hs.focusKey].doClose();
               return false;
     }
     if (op != null) {
          hs.removeEventListener(document, 'keydown', hs.keyHandler);
          if (hs.expanders[hs.focusKey] && hs.expanders[hs.focusKey].enableKeyListener == false) return true;
          return hs.previousOrNext(hs.focusKey, op);
     }
     else return true;
},

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

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

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

mouseDownHandler : function(e) 
{
     if (!e) e = window.event;
     if (e.button > 1) return true;
     if (!e.target) e.target = e.srcElement;
     
     var fobj = e.target;
     // loop out
     while (!fobj.tagName.match(/(HTML|BODY)/)    && !fobj.className.match(/highslide-(image|move|html)/))
     {
          fobj = hs.nn6 ? fobj.parentNode : fobj.parentElement;
     }
     if (fobj.tagName.match(/(HTML|BODY)/)) return;

     hs.dragKey = hs.getWrapperKey(fobj);

     if (fobj.className.match(/highslide-(image|move)/)) // drag or focus
     {
          hs.isDrag = true;
          hs.dragObj = hs.expanders[hs.dragKey].content;

          if (fobj.className.match('highslide-image')) hs.dragObj.style.cursor = 'move';
          tx = parseInt(hs.expanders[hs.dragKey].wrapper.style.left);
          ty = parseInt(hs.expanders[hs.dragKey].wrapper.style.top);
          
          hs.leftBeforeDrag = tx;
          hs.topBeforeDrag = ty;
          
          hs.dragX = hs.nn6 ? e.clientX : event.clientX;
          hs.dragY = hs.nn6 ? e.clientY : event.clientY;
          hs.addEventListener(document, 'mousemove', hs.mouseMoveHandler);
          if (e.preventDefault) e.preventDefault();
          
          
          if (hs.dragObj.className.match(/highslide-(image|html)-blur/)) {
               hs.expanders[hs.dragKey].focus();
               hs.hasFocused = true;
          }
          return false;
     }
     else if (fobj.className.match(/highslide-html/)) { // just focus
          hs.expanders[hs.dragKey].focus();
          hs.expanders[hs.dragKey].redoShowHide();
          hs.hasFocused = false; // why??
     }
},

mouseMoveHandler : function(e)
{
     if (hs.isDrag) {
          if (!hs.expanders[hs.dragKey] || !hs.expanders[hs.dragKey].wrapper) return;
          var wrapper = hs.expanders[hs.dragKey].wrapper;
          
          var left = hs.nn6 ? tx + e.clientX - hs.dragX : tx + event.clientX - hs.dragX;
          wrapper.style.left = left +'px';
          var top = hs.nn6 ? ty + e.clientY - hs.dragY : ty + event.clientY - hs.dragY;
          wrapper.style.top  = top +'px';
          
          
          return false;
     }
}, 

mouseUpHandler : function(e) {
     if (!e) e = window.event;
     if (e.button > 1) return true;
     if (!e.target) e.target = e.srcElement;
     
     hs.isDrag = false;
     var fobj = e.target;
     
     while (!fobj.tagName.match(/(HTML|BODY)/) && !fobj.className.match(/highslide-(image|move)/))
     {
          fobj = fobj.parentNode;
     }
     if (fobj.className.match(/highslide-(image|move)/) && hs.expanders[hs.dragKey]) {
          
          if (fobj.className.match('highslide-image')) {
               fobj.style.cursor = hs.styleRestoreCursor;
               hs.removeEventListener(document, 'mousemove', hs.mouseMoveHandler);
          }
          var left = parseInt(hs.expanders[hs.dragKey].wrapper.style.left);
          var top = parseInt(hs.expanders[hs.dragKey].wrapper.style.top);
          var hasMoved = left != hs.leftBeforeDrag || top != hs.topBeforeDrag;
          if (!hasMoved && !hs.hasFocused) {
               hs.expanders[hs.dragKey].doClose();
          } else if (hasMoved || (!hasMoved && hs.hasHtmlExpanders)) {
               hs.expanders[hs.dragKey].redoShowHide();
          }
          hs.hasFocused = false;
     
     } else if (fobj.className.match('highslide-image-blur')) {
          fobj.style.cursor = hs.styleRestoreCursor;        
     }
},

addEventListener : function (el, event, func) {
     if (document.addEventListener) el.addEventListener(event, func, false);
     else if (document.attachEvent) el.attachEvent('on'+ event, func);
     else el[event] = func;
},

removeEventListener : function (el, event, func) {
     if (document.removeEventListener) el.removeEventListener(event, func, false);
     else if (document.detachEvent) el.detachEvent('on'+ event, func);
     else el[event] = null;
},

isHsAnchor : function (a) {
     return (a.className && (a.className.match("highslide$") || a.className.match("highslide ")));
},

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) this.numberOfImagesToPreload = number;
     
     var j = 0;
     
     var aTags = document.getElementsByTagName('A');
     for (i = 0; i < aTags.length; i++) {
          a = aTags[i];
          if (hs.isHsAnchor(a)) {
               if (j < this.numberOfImagesToPreload) {
                    hs.preloadTheseImages[j] = hs.getSrc(a); 
                    j++;
               }
          }
     }
     
     hs.preloadFullImage(0); // starts recursive process
     
     // preload cursor
     var cur = document.createElement('img');
     cur.src = hs.graphicsDir + hs.restoreCursor;
     
     // preload outlines
     if (hs.outlineType) {
          for (i = 1; i <= 8; i++) {
               var img = document.createElement('img');
               img.src = hs.graphicsDir + "outlines/"+ hs.outlineType +"/"+ i +".png";
          }
     }    
}

}; // end hs object

//-----------------------------------------------------------------------------
// The expander object
HsExpander = function(a, params, contentType) {
     try {
          
          hs.continuePreloading = false;
          hs.container = hs.$('highslide-container');
          /*if (!hs.container) {
          hs.container = hs.createElement('div', 
               null, 
               { position: 'absolute', left: 0, top: 0, width: '100%', zIndex: hs.zIndexCounter }, 
               document.body
          );
          }*/
          
          if (params && params.thumbnailId) {
               var el = hs.$(params.thumbnailId);
          
          } else { // first img within anchor
               for (i = 0; i < a.childNodes.length; i++) {
                    if (a.childNodes[i].tagName && a.childNodes[i].tagName == 'IMG') {
                         var el = a.childNodes[i];
                         break;
                    }              
               }
          }
          if (!el) el = a;
          
          // cancel other instances
          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].thumb == el) {
                    hs.expanders[i].focus();
                    return false;
               }
          }
          
          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;
          
          
          // override inline parameters
          for (i = 0; i < hs.overrides.length; i++) {
               var name = hs.overrides[i];
               if (params && params[name] != undefined) this[name] = params[name];
               else this[name] = hs[name];
          }
          
          // check slideshowGroup
          if (hs.toggleImagesGroup != null && hs.toggleImagesGroup != this.slideshowGroup) {
               hs.toggleImagesGroup = null;
               hs.expanders[this.key] = null;
               return;
          }
          
          
          this.thumbsUserSetId = el.id || a.id;
          this.thumb = el;         
          
          this.overlays = new Array();

          var pos = hs.position(el); 
                    
          // instanciate the wrapper
          this.wrapper = hs.createElement(
               'div',
               {
                    id: 'highslide-wrapper-'+ this.key,
                    className: this.wrapperClassName
               },
               {
                    visibility: 'hidden',
                    position: 'absolute',
                    zIndex: hs.zIndexCounter++
               }
          );
          
          // store properties of the 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;
          this.thumbClass = el.className;
          
          // thumb borders
          this.thumbOffsetBorderW = (this.thumb.offsetWidth - this.thumbWidth) / 2;
          this.thumbOffsetBorderH = (this.thumb.offsetHeight - this.thumbHeight) / 2;
          
          if (this.isImage) this.imageCreate();
     
          return false;
     
     } catch(e) {
          return true;
     }
     
};

HsExpander.prototype.displayLoading = function() {
     if (this.onLoadStarted) return;
          
     this.originalCursor = this.a.style.cursor;
     this.a.style.cursor = 'wait';
     
     this.loading = hs.createElement('a',
          {
               className: 'highslide-loading',
               title: hs.loadingTitle,
               href: 'javascript:hs.expanders['+ this.key +'].cancelLoading()',
               innerHTML: hs.loadingText               
          },
          {
               position: 'absolute',
               visibility: 'hidden'
          }, hs.container);
          
     if (hs.ie) this.loading.style.filter = 'alpha(opacity='+ (100*hs.loadingOpacity) +')';
     else this.loading.style.opacity = hs.loadingOpacity;
     
     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 img = document.createElement('img');
     var key = this.key;

     var img = document.createElement('img');
    this.content = img;
    img.onload = function () { if (hs.expanders[key]) hs.expanders[key].onLoad();  };
    img.className = 'highslide-image '+ this.thumbClass;
    img.style.visibility = 'hidden'; // prevent flickering in IE
    img.style.display = 'block';
     img.style.position = 'absolute';
    img.style.zIndex = 3;
    img.title = hs.restoreTitle;
    img.onmouseover = function () { 
     if (hs.expanders[key]) hs.expanders[key].onMouseOver(); 
    };
    img.onmouseout = function (e) { 
     var rel = e ? e.relatedTarget : event.toElement;
          if (hs.expanders[key]) hs.expanders[key].onMouseOut(rel);
     };
    if (hs.safari) hs.container.appendChild(img);
     img.src = hs.getSrc(this.a);
     
     this.displayLoading();
};

HsExpander.prototype.onLoad = function() {   
     try { 
     
          if (!this.content) return;
          // prevent looping on certain Gecko engines:
          if (this.onLoadStarted) return;
          else this.onLoadStarted = true;
          
                  
          if (this.loading) {
               hs.container.removeChild(this.loading);
               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;
          }
          
          // identify caption div
          var modMarginBottom = hs.marginBottom;
          if (this.captionId && hs.$(this.captionId)) {
               this.caption = hs.$(this.captionId).cloneNode(true);
          } else if (this.thumbsUserSetId && hs.$('caption-for-'+ this.thumbsUserSetId)) {
               this.caption = hs.$('caption-for-'+ this.thumbsUserSetId).cloneNode(true);
          }
          if (this.caption) {
               modMarginBottom += this.spaceForCaption;
               this.caption.id = null;
          }
          
          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);
          if (this.swfObject) this.swfObject.write(this.flashContainerId);
          
          // correct for borders
          this.offsetBorderW = (this.wrapper.offsetWidth - this.thumbWidth) / 2;
          this.offsetBorderH = (this.wrapper.offsetHeight - this.thumbHeight) / 2;
          var modMarginRight = hs.marginRight + 2 * this.offsetBorderW;
          modMarginBottom += 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, 
               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, 
               marginMin: hs.marginTop, 
               marginMax: modMarginBottom, 
               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();


          // correct ratio
          if (this.isImage) this.correctRatio(ratio);

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

          // Selectbox bug
          var imgPos = {x: x.min - 20, y: y.min - 20, w: x.span + 40, h: 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);
          
          // Apply size change
          
          this.changeSize(
               this.thumbLeft + this.thumbOffsetBorderW - this.offsetBorderW,
               this.thumbTop + this.thumbOffsetBorderH - this.offsetBorderH,
               this.thumbWidth,
               this.thumbHeight,
               x.min,
               y.min,
               x.span,
               y.span, 
               hs.expandDuration,
               hs.expandSteps
          );             
          
          setTimeout(
               "if (hs.expanders["+ this.key +"])"
               + "hs.expanders["+ this.key +"].onExpanded()",
               hs.expandDuration
          );

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

HsExpander.prototype.changeSize = function(x1, y1, w1, h1, x2, y2, w2, h2, dur, steps) {
     dW = (w2 - w1) / steps;
     dH = (h2 - h1) / steps;
     dX = (x2 - x1) / steps;
     dY = (y2 - y1) / steps;
     
     for (i = 1; i < hs.expandSteps; i++) {
          w1 += dW;
          h1 += dH;
          x1 += dX;
          y1 += dY;
          
          setTimeout(
               "if (hs.expanders["+ this.key +"]) "
               + "hs.expanders["+ this.key +"]."+ this.contentType +"SetSize("
               + w1 +", "+ h1 +", "+ x1 +", "+ y1 +")", 
               Math.round(i * (dur / steps))
          );
     }
};

HsExpander.prototype.imageSetSize = function (width, height, left, top) {
     try {
          this.content.width = width;
          this.content.height = height;
          
          hs.setStyles ( this.wrapper,
               {
                    'visibility': 'visible',
                    'left': left +'px',
                    'top': top +'px'
               }
          );
          this.content.style.visibility = 'visible';
          if (this.thumb.tagName == 'IMG') this.thumb.style.visibility = 'hidden';
          
     } catch(e) {
          window.location.href = hs.getSrc(hs.expanders[this.key].a);
     }
};

HsExpander.prototype.onExpanded = function() {
     this[this.contentType +'SetSize'](this.x.span, this.y.span, this.x.min, this.y.min);
     this.isExpanded = true;
     this.focus();
     this.createCustomOverlays();
     if (hs.showCredits) this.writeCredits();
     
     if (this.caption) this.writeCaption();
     //else if (this.outlineType) this.writeOutline();
     if (!this.caption || !hs.slideInOutline && this.outlineType) this.writeOutline();
     
     if (this.fullExpandWidth > this.x.span) this.createFullExpand();
     
     if (!this.caption && !this.outlineType) this.onDisplayFinished();
};

HsExpander.prototype.onDisplayFinished = function() {
     // preload next
     var nextA = hs.getAdjacentAnchor(this.key, 1);
     if (nextA) {
          var img = document.createElement('img');
          img.src = hs.getSrc(nextA);
     }
};

HsExpander.prototype.justify = function (p) {
     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.cancelLoading = function() {
     this.a.style.cursor = this.originalCursor;
     
     if (this.loading) {
          hs.container.removeChild(this.loading);
          this.loading = null;
     }
          
     hs.expanders[this.key] = null;
};

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

HsExpander.prototype.writeCaption = function() {
     try {
          this.wrapper.style.width = this.wrapper.offsetWidth +'px';  
          this.caption.style.visibility = 'hidden';
          this.caption.style.position = 'relative';
          if (hs.ie) this.caption.style.zoom = 1;  
          this.caption.className += ' highslide-display-block'; // have to use className due to Opera
          
          var capHeight = this.caption.offsetHeight;
          var slideHeight = (capHeight < this.content.height) ? capHeight : this.content.height;
          this.caption.style.marginTop = '-'+ slideHeight +'px';
          
          this.caption.style.zIndex = 2;
          
          var step = 1;
          if (slideHeight > 400) step = 4;
          else if (slideHeight > 200) step = 2;
          else if (slideHeight > 100) step = 1;
          if (hs.captionSlideSpeed) step = step * hs.captionSlideSpeed;
          else step = slideHeight;
          

          setTimeout("if (hs.expanders["+ this.key +"] && hs.expanders["+ this.key +"].caption) "
                    + "hs.expanders["+ this.key +"].caption.style.visibility = 'visible'", 10); // flickering in Gecko
          var t = 0;
          
          for (marginTop = -slideHeight; marginTop <= 0; marginTop += step, t += 10) {
               var eval = "if (hs.expanders["+ this.key +"] && hs.expanders["+ this.key +"].caption) { "
                    + "hs.expanders["+ this.key +"].caption.style.marginTop = '"+ marginTop +"px';";
               if (hs.slideInOutline && marginTop >= 0) eval += 'hs.expanders['+ this.key +'].writeOutline();';
               else if (!hs.slideInOutline) eval += 'hs.expanders['+ this.key +'].repositionOutline(0);';
               eval += "}";
               
               setTimeout (eval, t);
          }
          
     } catch (e) {} 
};

HsExpander.prototype.writeOutline = function() { 
     if (!this.outlineType) {
          this.onDisplayFinished();
          return;   
     }
     this.outline = new Array();
     var v = hs.ieVersion();
     
     hs.hasAlphaImageLoader = hs.ie && v >= 5.5 && v < 7;
     hs.hasIe7Bug = hs.ie && v == 7; // bug: png breaks when filters applied
     hs.hasPngSupport = !hs.ie;
     this.preloadOutlineElement(1); // start recursive process
};

HsExpander.prototype.preloadOutlineElement = function(i) {
     if (!hs.hasAlphaImageLoader && !hs.hasPngSupport && !hs.hasIe7Bug) return;
     
     if (this.outline[i] && this.outline[i].onload) { // Gecko multiple onloads bug
          this.outline[i].onload = null;
          return;
     }
     
     var src = hs.graphicsDir + "outlines/"+ this.outlineType +"/"+ i +".png";
     
     if (hs.hasAlphaImageLoader) {
          
          this.outline[i] = hs.createElement('div',
               null,
               {
                    filter: "progid:DXImageTransform.Microsoft.AlphaImageLoader("
                         + "enabled=true, sizingMethod=scale src='"+ src + "') "
               }
          );
     } else if (hs.hasIe7Bug) {
          this.outline[i] = hs.createElement('div',
               null,
               {
                    background: 'url('+ src +')'
               }
          );
     }
          
     var img = document.createElement('img'); // for onload trigger
     if (hs.hasPngSupport) {
          this.outline[i] = img;
     }
     
     // common properties
     this.outline[i].style.position = 'absolute';
     var dim = (i % 2 == 1) ? 10 : 20;
     this.outline[i].style.height = dim +'px';
     this.outline[i].style.width = dim +'px';     
     if (hs.ie) {
          this.outline[i].style.lineHeight = dim +'px';
          this.outline[i].style.fontSize = 0;
     }
     
     if (hs.slideInOutline) {
          var pThis = this;
          if (i < 8) img.onload = function() { pThis.preloadOutlineElement(i + 1); };                    
          else img.onload = function() { pThis.displayOutline(); };
     } else {
          this.wrapper.appendChild(this.outline[i]);
          if (i < 8) this.preloadOutlineElement(i + 1);                    
          else this.repositionOutline(0);
     }
     
     if (hs.safari) {
          this.outline[i].style.left = '10px';
          this.outline[i].style.top = '10px';
          hs.container.appendChild(img);
     }
     img.src = src;
};

HsExpander.prototype.displayOutline = function() {
     this.repositionOutline(12);
     for (i = 1; i <= 8; i++) {
          this.wrapper.appendChild(this.outline[i]);
     }
     this.hasOutline = true;

     for (i = 10, t = 0; i >= 0; i--, t += 50) {
          setTimeout(
               'if (hs.expanders['+ this.key +']) hs.expanders['+ this.key +'].repositionOutline('+ i +')',
               t
          );
     }
};

HsExpander.prototype.repositionOutline = function(offset) {
     if (this.isClosing) return;
     
     var w = this.wrapper.offsetWidth;
     var h = this.wrapper.offsetHeight;

     var fix = Array (
          Array (Array (1, 5), 'width', w - (2 * offset) - 20),
          Array (Array (1, 5), 'left', 10 + offset),
          Array (Array (1, 2, 8), 'top', -10 + offset),
          Array (Array (2, 4), 'left', w - 10 - offset),
          Array (Array (3, 3), 'left', w - offset),
          Array (Array (3, 7), 'top', 10 + offset),
          Array (Array (3, 7), 'height', h - (2 * offset) - 20),
          Array (Array (4, 6), 'top', h - 10 - offset),
          Array (Array (5, 5), 'top', h - offset),
          Array (Array (6, 7, 8), 'left', -10 + offset)
     );
     // strange khtml bug causes glitch in outline:
     if (navigator.vendor == 'KDE') {
          fix.push(Array(1, 5), 'height', (offset % 2) + 10);
     }
     for (i = 0; i < fix.length; i++) {
          for (j = 0; j < fix[i][0].length; j++) {
               this.outline[fix[i][0][j]].style[fix[i][1]] = fix[i][2] +'px';
          }
     }
     
     if (offset == 0) 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 (!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 += ' highslide-'+ blurExp.contentType +'-blur';
               if (blurExp.caption) {
                    blurExp.caption.className += ' highslide-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++;
     
     this.content.className = 'highslide-'+ this.contentType;
     if (this.caption) {
          this.caption.className = this.caption.className.replace(' highslide-caption-blur', '');
     }
     
     if (this.isImage) {
          this.content.title = hs.restoreTitle;
          
          hs.styleRestoreCursor = window.opera ? 'pointer' : 'url('+ hs.graphicsDir + hs.restoreCursor +'), pointer';
          if (hs.ie && hs.ieVersion() < 6) hs.styleRestoreCursor = 'hand';
          this.content.style.cursor = hs.styleRestoreCursor;
     }
     
     hs.focusKey = this.key;
     hs.addEventListener(document, 'keydown', hs.keyHandler);
};

HsExpander.prototype.doClose = function() {
     hs.removeEventListener(document, 'keydown', hs.keyHandler);
     try {
          if (!hs.expanders[this.key]) return;
          var exp = hs.expanders[this.key];

          this.isClosing = true;
          
          // 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) {
                    this.wrapper.removeChild(this.wrapper.childNodes[i]);
               }
          }
          
          if (this.scrollerDiv && this.scrollerDiv != 'scrollingContent') exp[this.scrollerDiv].style.overflow = 'hidden';

          hs.outlinePreloader = 0;
          this.wrapper.style.width = null;
          
          var width = (this.isImage) ? this.content.width : parseInt(this.content.style.width);
          var height = (this.isImage) ? this.content.height : parseInt(this.content.style.height);
          this.changeSize(
               parseInt(this.wrapper.style.left),
               parseInt(this.wrapper.style.top),
               width,
               height,
               this.thumbLeft - this.offsetBorderW + this.thumbOffsetBorderW,
               this.thumbTop - this.offsetBorderH + this.thumbOffsetBorderH,
               this.thumbWidth,
               this.thumbHeight, 
               hs.restoreDuration,
               hs.restoreSteps
          );             
          
          setTimeout('if (hs.expanders['+ this.key +']) hs.expanders['+ this.key +'].onEndClose()', hs.restoreDuration);
     
     } catch(e) {
          hs.expanders[this.key].onEndClose();
     }
};

HsExpander.prototype.onEndClose = function () {
     this.thumb.style.visibility = 'visible';
     //this.content.style.visibility = 'hidden';
     
     if (hs.hideSelects) this.showHideElements('SELECT', 'visible');
     if (hs.hideIframes) this.showHideElements('IFRAME', 'visible');
     
     this.wrapper.parentNode.removeChild(this.wrapper);
     hs.expanders[this.key] = null;

     hs.cleanUp();
};

HsExpander.prototype.createOverlay = function (el, position, hideOnMouseOut, opacity) {
     if (typeof el == 'string' && hs.$(el)) {
          el = hs.$(el).cloneNode(true);
          el.id = null;  
     }
     if (!el || typeof el == 'string' || !this.isImage) return;
     
     if (!position) var position = 'center center';
     var overlay = hs.createElement(
          'div',
          null,
          {
               'position' : 'absolute',
               'zIndex' : 3,
               'visibility': 'hidden'
          },
          this.wrapper
     );
     if (opacity && opacity < 1) {
          if (hs.ie) overlay.style.filter = 'alpha(opacity='+ (opacity * 100) +')';
          else overlay.style.opacity = opacity;
     }
     el.className += ' highslide-display-block';
     overlay.appendChild(el);
     
     /*if (hs.ie && this.isImage) { // strange bug sometimes makes values wrong in the first def.
          this.offsetBorderW = hs.position(this.wrapper).x - hs.position(this.content).x;
          this.offsetBorderH = hs.position(this.wrapper).y - hs.position(this.content).y;
     }*/
     var left = this.offsetBorderW;
     var top = this.offsetBorderH;
     
     if (position.match(/^bottom/)) top += this.content.height - overlay.offsetHeight;
     if (position.match(/^center/)) top += (this.content.height - overlay.offsetHeight) / 2;
     if (position.match(/right$/)) left += this.content.width - overlay.offsetWidth;
     if (position.match(/center$/)) left += (this.content.width - overlay.offsetWidth) / 2;
     overlay.style.left = left +'px';
     overlay.style.top = top +'px';
     
     if (this.mouseIsOver || !hideOnMouseOut) overlay.style.visibility = 'visible';
     if (hideOnMouseOut) overlay.setAttribute('hideOnMouseOut', true);
     
     this.overlays.push(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 () {
     this.mouseIsOver = true;
     for (i = 0; i < this.overlays.length; i++) {
          this.overlays[i].style.visibility = 'visible';
     }
};

HsExpander.prototype.onMouseOut = function(rel) {
     this.mouseIsOver = false;
     var hideThese = new Array();
     for (i = 0; i < this.overlays.length; i++) {
          var node = rel;
          while (node && node.parentNode) {
               if (node == this.overlays[i]) return;
               node = node.parentNode;
          }
          if (this.overlays[i].getAttribute('hideOnMouseOut')) {
               hideThese.push(this.overlays[i]);
          }
     }
     for (i = 0; i < hideThese.length; i++) {          
          hideThese[i].style.visibility = 'hidden';
     }
};

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

HsExpander.prototype.doFullExpand = function () {
     try {
     
          var newLeft = parseInt(this.wrapper.style.left) - (this.fullExpandWidth - this.content.width) / 2;
          if (newLeft < hs.marginLeft) newLeft = hs.marginLeft;
          this.wrapper.style.left = newLeft +'px';
          
          var borderOffset = this.wrapper.offsetWidth - this.content.width;
          
          
          this.content.width = this.fullExpandWidth;
          this.content.height = this.fullExpandHeight;
          this.focus();
          
          this.fullExpandIcon.parentNode.removeChild(this.fullExpandIcon);
          
          this.wrapper.style.width = (this.content.width + borderOffset) +'px';
          
          if (this.outlineType) this.repositionOutline(0);
          
          // reposition overlays
          for (x in this.overlays) {
               this.wrapper.removeChild(this.overlays[x]);
          }         
          if (hs.showCredits) this.writeCredits();
          this.createCustomOverlays();
          
          this.redoShowHide();
     
     } catch(e) {
          window.location.href = hs.expanders[this.key].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.mouseDownHandler);
hs.addEventListener(document, 'mouseup', hs.mouseUpHandler);




















hs.graphicsDir = 'js/graphics/';
hs.outlineType = 'rounded-white';
window.onload = function() { hs.preloadImages(5);}