// -------------------------------------------------------------------

// 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 caption?
enableDesc: true, //Should "desc" attribute of link be used as description?
enableDest: false, //should images link?
enableSpawnThumb: true, //should pop-up images be spawned?
enableSpawnLink: true, //should pop-up links be spawned?
enableSpawnLinkText: true, //should pop-up links be spawned?
enableSpecialLink: true, //should special links be spawned?
enableTransition: true, //Enable fading transition in IE?
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=(thumbnailviewer2.enableDest && linkobj.getAttribute("clicklink"))? linkobj.getAttribute("clicklink") : "" //Get URL enlarged image should be linked to, if any
var caption=(thumbnailviewer2.enableTitle && linkobj.getAttribute("title"))? linkobj.getAttribute("title") : "" //Get caption attr
var description=(thumbnailviewer2.enableDesc && linkobj.getAttribute("desc"))? linkobj.getAttribute("desc") : "" //Get description attr
var spawnthumb=(thumbnailviewer2.enableSpawnThumb && linkobj.getAttribute("spawnthumb"))? linkobj.getAttribute("spawnthumb") : "" //Get spawned thumbnail href
var spawnlink=(thumbnailviewer2.enableSpawnLink && linkobj.getAttribute("spawnlink"))? linkobj.getAttribute("spawnlink") : "" //Get spawned link href
var spawnlinktext=(thumbnailviewer2.enableSpawnLinkText && linkobj.getAttribute("spawnlinktext"))? linkobj.getAttribute("spawnlinktext") : "" //Get spawned link href
var speciallink=(thumbnailviewer2.enableSpecialLink && linkobj.getAttribute("speciallink"))? linkobj.getAttribute("speciallink") : "" //Get spawned link href
var imageHTML='<img src="'+imagepath+'" style="border-width: 0" />' //Construct HTML for enlarged image
//if (dest!="true") //Hyperlink the enlarged image?
//imageHTML='<a href="'+dest+'" target="blank">'+imageHTML+'</a>'
if (typeof dest!="undefined") //Hyperlink the enlarged image?
imageHTML='<a href="'+dest+'">'+imageHTML+'</a>'

if (caption!="") //Use title attr of the link as caption?
imageHTML='<b class="caption" id="captionfix">'+caption+'</b>'+imageHTML //Customized. Default = imageHTML+='<br />'+description. Added "moveleft" id to fix caption offset
if (description!="") //Use desc attr of the link as description?
imageHTML='<p class="description" id="descriptionfix">'+description+'</p>'+imageHTML //Customized. Default = imageHTML+='<br />'+description
if (spawnthumb!="") //Use href attr of the link as spawned thumbnail?
imageHTML='<img class="spawnthumb" id="spawnthumbfix" src="'+spawnthumb+'" />'+imageHTML //Customized. Default = imageHTML+='<br />'+description
if (spawnlink!="") //Use href attr of the link as spawned link?
imageHTML='<a class="spawnlink" id="spawnlinkfix" target="blank" href="'+spawnlink+'"/>Click here </a>'+imageHTML //Customized. Default = imageHTML+='<br />'+description
if (spawnlinktext!="") //Use spawnlinktext of the link as spawned link text?
imageHTML='<p class="spawnlinktext" id="spawnlinktextfix">'+spawnlinktext+'</p>'+imageHTML //Customized. Default = imageHTML+='<br />'+description
if (speciallink!="") //Use href attr of the link as spawned link?
imageHTML='<a class="speciallink" id="speciallinkfix" href="'+speciallink+'"/>.</a>'+imageHTML //Customized. Default = imageHTML+='<br />'+description

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()
}
},

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")