// -------------------------------------------------------------------
// Image Thumbnail Viewer II- By Dynamic Drive, available at: http://www.dynamicdrive.com
// Last updated: Feb 5th, 2007
// -------------------------------------------------------------------

var thumbnailviewer2={
enableTitle: true, //Should "title" attribute of link be used as description?
enableTransition: false, //Enable fading transition in IE? (KEEP this false - integrated fdrlib.js instead for cross-browser fade-in effect )
hideimgmouseout: false, //Hide enlarged image when mouse moves out of anchor link? (if enlarged image is hyperlinked, always set to false!)


/////////////No need to edit beyond here/////////////////////////

iefilterstring: 'progid:DXImageTransform.Microsoft.GradientWipe(GradientSize=1.0 Duration=0.7)', //IE specific multimedia filter string
iefiltercapable: document.compatMode && window.createPopup? true : false, //Detect browser support for IE filters
preloadedimages:[], //array to preload enlarged images (ones set to display "onmouseover"
targetlinks:[], //array to hold participating links (those with rel="enlargeimage:initType")
alreadyrunflag: false, //flag to indicate whether init() function has been run already come window.onload

loadimage:function(linkobj){
var imagepath=linkobj.getAttribute("href") //Get URL to enlarged image
var showcontainer=document.getElementById(linkobj.getAttribute("rev").split("::")[0]) //Reference container on page to show enlarged image in
var dest=linkobj.getAttribute("rev").split("::")[1] //Get URL enlarged image should be linked to, if any
var description=(thumbnailviewer2.enableTitle && linkobj.getAttribute("title"))? linkobj.getAttribute("title") : "" //Get title attr
var imageHTML='<img src="'+imagepath+'" style="border-width: 0" />' //Construct HTML for enlarged image
if (typeof dest!="undefined") //Hyperlink the enlarged image?
imageHTML='<a href="'+dest+'">'+imageHTML+'</a>'
if (description!="") //Use title attr of the link as description?
imageHTML+='<br /><div class="tcap">'+description+'</div>';
if (this.iefiltercapable){ //Is this an IE browser that supports filters?
showcontainer.style.filter=this.iefilterstring
showcontainer.filters[0].Apply()
}
showcontainer.innerHTML=imageHTML
this.featureImage=showcontainer.getElementsByTagName("img")[0] //Reference enlarged image itself
this.featureImage.onload=function(){ //When enlarged image has completely loaded
if (thumbnailviewer2.iefiltercapable) //Is this an IE browser that supports filters?
showcontainer.filters[0].Play()
}
this.featureImage.onerror=function(){ //If an error has occurred while loading the image to show
if (thumbnailviewer2.iefiltercapable) //Is this an IE browser that supports filters?
showcontainer.filters[0].Stop()
}
// intergrated cross-browser fade-in effect - fdrlib.js
fadeElementIn('loadarea',0.5);
},

hideimage:function(linkobj){
var showcontainer=document.getElementById(linkobj.getAttribute("rev").split("::")[0]) //Reference container on page to show enlarged image in
showcontainer.innerHTML=""
},


cleanup:function(){ //Clean up routine on page unload
if (this.featureImage){this.featureImage.onload=null; this.featureImage.onerror=null; this.featureImage=null}
this.showcontainer=null
for (var i=0; i<this.targetlinks.length; i++){
this.targetlinks[i].onclick=null
this.targetlinks[i].onmouseover=null
this.targetlinks[i].onmouseout=null
}
},

addEvent:function(target, functionref, tasktype){ //assign a function to execute to an event handler (ie: onunload)
var tasktype=(window.addEventListener)? tasktype : "on"+tasktype
if (target.addEventListener)
target.addEventListener(tasktype, functionref, false)
else if (target.attachEvent)
target.attachEvent(tasktype, functionref)
},

init:function(){ //Initialize thumbnail viewer script
this.iefiltercapable=(this.iefiltercapable && this.enableTransition) //True or false: IE filters supported and is enabled by user
var pagelinks=document.getElementsByTagName("a")
for (var i=0; i<pagelinks.length; i++){ //BEGIN FOR LOOP
if (pagelinks[i].getAttribute("rel") && /enlargeimage:/i.test(pagelinks[i].getAttribute("rel"))){ //Begin if statement: Test for rel="enlargeimage"
var initType=pagelinks[i].getAttribute("rel").split("::")[1] //Get display type of enlarged image ("click" or "mouseover")
if (initType=="mouseover"){ //If type is "mouseover", preload the enlarged image for quicker display
this.preloadedimages[this.preloadedimages.length]=new Image()
this.preloadedimages[this.preloadedimages.length-1].src=pagelinks[i].href
pagelinks[i]["onclick"]=function(){ //Cancel default click action
return false
}
}
pagelinks[i]["on"+initType]=function(){ //Load enlarged image based on the specified display type (event)
thumbnailviewer2.loadimage(this) //Load image
return false
}
if (this.hideimgmouseout)
pagelinks[i]["onmouseout"]=function(){
thumbnailviewer2.hideimage(this)
}
this.targetlinks[this.targetlinks.length]=pagelinks[i] //store reference to target link
} //end if statement
} //END FOR LOOP


} //END init() function

}


if (document.addEventListener) //Take advantage of "DOMContentLoaded" event in select Mozilla/ Opera browsers for faster init
thumbnailviewer2.addEvent(document, function(){thumbnailviewer2.alreadyrunflag=1; thumbnailviewer2.init()}, "DOMContentLoaded") //Initialize script on page load
else if (document.all && document.getElementsByTagName("a").length>0){ //Take advantage of "defer" attr inside SCRIPT tag in IE for instant init
thumbnailviewer2.alreadyrunflag=1
thumbnailviewer2.init()
}
thumbnailviewer2.addEvent(window, function(){if (!thumbnailviewer2.alreadyrunflag) thumbnailviewer2.init()}, "load") //Default init method: window.onload
thumbnailviewer2.addEvent(window, function(){thumbnailviewer2.cleanup()}, "unload")

// Add fade library code

// fdrlib.js - version 1.0
// FadeDropRaise Library for Javascript
// Nick O'Neill 2005

function fadeElementIn(id,time,begin){
   // <a href="javascript:fadeElementIn(myelementid,0.3)">fade in!</a>
   // ---- SET THESE IN YOUR SCRIPTS
   // id is the id of the element you're fading
   // time is the amount of time you'd like your element to spend fading in (try 0.3)
   // set final opacity after fade in on line 30 - change .93 to 1 to remove opacity after faded in
   
   // ---- DON'T SET THESE IN YOUR SCRIPTS
   // begin is the start time of your fade - it will be set automatically when the function is called
       
   var elem = getByID(id);
   
   var current = new Date().getTime();
   if (typeof(begin) == "number"){}
   else {begin = new Date().getTime()}
   
   var timeDiff = (current - begin) / 1000; // /
   
   if (timeDiff < time){
      
      var boxOpacity = (timeDiff/time)*(timeDiff/time);

      setOpacity(elem.id,boxOpacity);
   
      setTimeout("fadeElementIn(\'"+id+"\',"+time+","+begin+")",16);
   } else {setOpacity(elem.id,1);return} // change .93 to 1 to remove opacity after faded in
}

function setOpacity(id,opacity){
   var toSet = getByID(id);
   
   if (toSet.style.MozOpacity != null){toSet.style.MozOpacity = opacity;}
   if (toSet.style.opacity != null){toSet.style.opacity = opacity;}
   if (toSet.style.filter != null){toSet.style.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity="+(opacity*100)+")";}
}
function setTop(id,top){
   getByID(id).style.position = 'relative';
   getByID(id).style.top = pixel(top);
}
function getByID(n){
	var d = window.document;
	if (d.getElementById)
		return d.getElementById(n);
	else if (d.all)
		return d.all[n];
}
function pixel(px){
   return px+"px";
}
function antipixel(px){
   return parseInt(px.replace(/px/,''));
}

// END Add fade library code


