/******************************************************************************
Version 2.2.7 (December 8 2006)

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 : '/javascripts/highslide/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 : true, // you can set this to false if you want
creditsText : '',
creditsHref : 'http://vikjavev.no/highslide/?user=1',
creditsTitle : 'Go to the Highslide JS homepage',


// 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: 350,
minHeight: 300,
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['on'+ 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['on'+ 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 }, 
        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);