// -------------------------------------------------------------------
// Image Thumbnail Viewer Script- By Dynamic Drive, available at: http://www.dynamicdrive.com
// Last updated: Jan 22nd, 2007
// -------------------------------------------------------------------
var thumbnailviewer=
{
		enableTitle: true, //Should "title" attribute of link be used as description?
		enableAnimation: true, //Enable fading animation?
		definefooter: '<div class="footerbar"></div>', //Define HTML for footer interface
		defineLoading: 'Loading Image...', //Define HTML for "loading" div
	
	/////////////No need to edit beyond here/////////////////////////
	
		scrollbarwidth: 16,
		opacitystring: 'filter:progid:DXImageTransform.Microsoft.alpha(opacity=100); -moz-opacity: 100; opacity: 100',
		targetlinks:[], //Array to hold links with rel="thumbnail"

	createthumbBox:function()
	{
		//write out HTML for Image Thumbnail Viewer plus loading div
		document.write('<div id="thumbBox"><div id="thumbImage"></div></div>')
		//document.write('<div id="thumbBox" onClick="thumbnailviewer.closeit()"><div id="thumbImage"></div>'+this.definefooter+'</div>')
		//document.write(+this.definefooter+'</div><div id="thumbBox" onClick="thumbnailviewer.closeit()"><div id="thumbImage"></div>')
		document.write('<div id="thumbLoading">'+this.defineLoading+'</div>')
		this.thumbBox=document.getElementById("thumbBox")
		this.thumbImage=document.getElementById("thumbImage") //Reference div that holds the shown image
		this.thumbLoading=document.getElementById("thumbLoading") //Reference "loading" div that will be shown while image is fetched
		this.standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body //create reference to common "body" across doctypes	
	},
	
	
	centerDiv:function(divobj)
	{ //Centers a div element on the page
		var ie=document.all && !window.opera
		var dom=document.getElementById
		var scroll_top=(ie)? this.standardbody.scrollTop : window.pageYOffset
		var scroll_left=(ie)? this.standardbody.scrollLeft : window.pageXOffset
		var docwidth=(ie)? this.standardbody.clientWidth : window.innerWidth-this.scrollbarwidth
		var docheight=(ie)? this.standardbody.clientHeight: window.innerHeight
		var docheightcomplete=(this.standardbody.offsetHeight>this.standardbody.scrollHeight)? this.standardbody.offsetHeight : this.standardbody.scrollHeight //Full scroll height of document
		var objwidth=divobj.offsetWidth //width of div element
		var objheight=divobj.offsetHeight //height of div element
		var topposition=(docheight>objheight)? scroll_top+docheight/2-objheight/2+"px" : scroll_top+10+"px" //Vertical position of div element: Either centered, or if element height larger than viewpoint height, 10px from top of viewpoint
		divobj.style.left=docwidth/2-objwidth/2+"px" //Center div element horizontally
		divobj.style.top=Math.floor(parseInt(210))+"px"
		divobj.style.visibility="visible"
	},
	
	showthumbBox:function()
	{ //Show ThumbBox div

		this.centerDiv(this.thumbBox)

		if (this.enableAnimation){ //If fading animation enabled
		this.currentopacity=100 //Starting opacity value VALUE CHANGED FROM 0.1 TO 100 FROM BALAJI

		this.opacitytimer=setInterval("thumbnailviewer.opacityanimation()", 20)
	}
},
loadswf:function(input,output)
{ 
	//alert(input+' '+output)
	//if (this.thumbBox.style.visibility=="visible") //if thumbox is visible on the page already
this.thumbBox.style.visibility="visible"
this.thumbBox.style.left="31%"
this.thumbBox.style.top="210px"
//this.thumbBox.style.height="300"
//	this.closeit() //Hide it first (not doing so causes triggers some positioning bug in Firefox
	//alert(this.thumbBox.style.left)
	//alert('OUTPUT '+output.getAttribute("output"))
	//var imageHTML='<table width="80%" border="0" align="center" bordercolor="#FFFFFF" cellspacing="0"><tr><td width="45%" height="20" align="center"><img src="Images/RED.JPG" width="10" height="10">&nbsp;&nbsp;INPUT&nbsp;&nbsp;<img src="Images/Blue.JPG" width="10" height="10"></td><td width="30"></td><td width="45%" align="center"><img src="Images/RED.JPG" width="10" height="10">&nbsp;&nbsp;OUTPUT&nbsp;&nbsp;<img src="Images/Blue.JPG" width="10" height="10"></td></tr><tr><td colspan="3" align="center"><object id="11" rel="thumb" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width="580" height="270"><param name="movie" value="'+input+'"><param name="quality" value="high"><embed src="'+input+'" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="580" height="270"></embed></object></td></tr><tr><td align="center" height="20"></td><td></td><td align="center"></td></tr></table>' //Construct HTML for shown image
	var imageHTML='<object id="11" rel="thumb" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width="600" height="225"><param name="movie" value="'+input+'"><param name="quality" value="high"><embed src="'+input+'" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="600" height="225"></embed></object>'
	//if (this.enableTitle && input.getAttribute("title")) //Use title attr of the link as description?
	//imageHTML+='<br/>'
	//alert(imageHTML)
	this.centerDiv(this.thumbLoading) //Center and display "loading" div while we set up the image to be shown
	this.thumbImage.innerHTML=imageHTML //Populate thumbImage div with shown image's HTML (while still hidden)
	this.featureImage=this.thumbImage.getElementsByTagName("object")[0] //Reference shown image itself
	this.featureImage.onload=function(){ //When target image has completely loaded
	thumbnailviewer.thumbLoading.style.visibility="hidden" //Hide "loading" div
	thumbnailviewer.showthumbBox() //Display "thumbbox" div to the world!
}

if (document.all && !window.createPopup) {}//Target IE5.0 browsers only. Address IE image cache not firing onload bug: panoramio.com/blog/onload-event/
//this.featureImage.src=link.getAttribute("href")

this.featureImage.onerror=function()
{ //If an error has occurred while loading the image to show	
thumbnailviewer.thumbLoading.style.visibility="hidden" //Hide "loading" div, game over
}

},
loadimage:function(input,output)
{ //Load image function that gets attached to each link on the page with rel="thumbnail"
	//alert(output.getAttribute("input"));
	if (this.thumbBox.style.visibility=="visible") //if thumbox is visible on the page already
	this.closeit() //Hide it first (not doing so causes triggers some positioning bug in Firefox
//	var imageHTML='<table width="80%" border="0" align="center" bordercolor="#FFFFFF" cellspacing="0"><tr><td width="45%" height="20" align="center"><img src="Images/RED.JPG" width="10" height="10">&nbsp;&nbsp;INPUT&nbsp;&nbsp;<img src="Images/Blue.JPG" width="10" height="10"></td><td width="30"></td><td width="45%" align="center"><img src="Images/RED.JPG" width="10" height="10">&nbsp;&nbsp;OUTPUT&nbsp;&nbsp;<img src="Images/Blue.JPG" width="10" height="10"></td></tr><tr><td colspan="3" align="center"><img title ="OUTPUT" height="270" width="580" border="1" src="'+output.getAttribute("output")+'"/></td></tr><tr><td align="center" height="20"></td><td></td><td align="center"></td></tr></table>' //Construct HTML for shown image
	//this.thumbBox.style.valign="middle"
	var imageHTML='<img title ="OUTPUT" height="225" width="600" src="'+output.getAttribute("output")+'"/>' //Construct HTML for shown image
	if (this.enableTitle && input.getAttribute("title")) //Use title attr of the link as description?
	imageHTML+='<br />'+input.getAttribute("title")
	this.centerDiv(this.thumbLoading) //Center and display "loading" div while we set up the image to be shown
	this.thumbImage.innerHTML=imageHTML //Populate thumbImage div with shown image's HTML (while still hidden)
	this.featureImage=this.thumbImage.getElementsByTagName("img")[0] //Reference shown image itself
	this.featureImage.onload=function(){ //When target image has completely loaded
	thumbnailviewer.thumbLoading.style.visibility="hidden" //Hide "loading" div
	thumbnailviewer.showthumbBox() //Display "thumbbox" div to the world!
	
	
}
/*if (document.all && !window.createPopup) //Target IE5.0 browsers only. Address IE image cache not firing onload bug: panoramio.com/blog/onload-event/
this.featureImage.src=link.getAttribute("href")*/

this.featureImage.onerror=function()
{ //If an error has occurred while loading the image to show
	thumbnailviewer.thumbLoading.style.visibility="hidden" //Hide "loading" div, game over
}
},

setimgopacity:function(value)
{ //Sets the opacity of "thumbimage" div per the passed in value setting (0 to 1 and in between)
	var targetobject=this.featureImage
	if (targetobject.filters && targetobject.filters[0]){ //IE syntax
	if (typeof targetobject.filters[0].opacity=="number") //IE6
	targetobject.filters[0].opacity=value*100
	else //IE 5.5
	targetobject.style.filter="alpha(opacity="+value*100+")"
}
	else if (typeof targetobject.style.MozOpacity!="undefined") //Old Mozilla syntax
	targetobject.style.MozOpacity=value
	else if (typeof targetobject.style.opacity!="undefined") //Standard opacity syntax
	targetobject.style.opacity=value
	else //Non of the above, stop opacity animation
	this.stopanimation()
},

opacityanimation:function(){ //Gradually increase opacity function

this.setimgopacity(this.currentopacity)
this.currentopacity+=0.1
if (this.currentopacity>1)
this.stopanimation()

},

stopanimation:function(){
if (typeof this.opacitytimer!="undefined")
clearInterval(this.opacitytimer)
},


closeit:function(){ //Close "thumbbox" div function
//this.stopanimation()
this.thumbBox.style.visibility="hidden"
this.thumbImage.innerHTML=""
this.thumbBox.style.left="-2000px"
this.thumbBox.style.top="-2000px"
},

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

dotask: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 by scanning page and attaching appropriate function to links with rel="thumbnail"

			
			
if (!this.enableAnimation)
this.opacitystring=""
var pagelinks=document.getElementsByTagName("a")

	
for (var i=0; i<pagelinks.length; i++)
{ //BEGIN FOR LOOP
	//alert(imglinks[i+1].getAttribute("src") +'   and   '+pagelinks[i].getAttribute("rel"));
	if (pagelinks[i].getAttribute("rel") && pagelinks[i].getAttribute("rel")=="thumbnail")
	{ //Begin if statement
		//pagelinks[i].onmouseover=function()
		pagelinks[i].onclick=function()
		{
			//alert(imglinks[i+1].getAttribute("src") +'   and   '+pagelinks[i].getAttribute("href"))
			thumbnailviewer.stopanimation() //Stop any currently running fade animation on "thumbbox" div before proceeding
		if(this.getAttribute("value")=="0"){
			imagelinks=document.getElementsByTagName("img")
			}else{				
				imagelinks=document.getElementsByTagName("img")
				
				}
			var d=0;
			while(d<imagelinks.length)
			{
					
					if(imagelinks[d].getAttribute("id")==this.getAttribute("id"))
					{break;}else{d++;}
			}				
						//alert(imagelinks[d]);
						if(this.getAttribute("value")=="0"){
							thumbnailviewer.loadimage(imagelinks[d],this) //Load image
						}else
						{
							//alert(this.getAttribute("input")+'  '+this.getAttribute("output"))
							thumbnailviewer.loadswf(this.getAttribute("input"),this.getAttribute("output")) //Load image							
							}
			
			return false
		}
		//this.targetlinks[this.targetlinks.length]=pagelinks[i] //store reference to target link
		
	} //end if statement
	
} 
for (var i=0; i<pagelinks.length; i++)
{ 
	
	if (pagelinks[i].getAttribute("rel") && pagelinks[i].getAttribute('rel')=='thumbnail')
	{ 
			//alert(pagelinks[i].getAttribute('output'));
			//imagelinks=document.getElementsByTagName("img");
			thumbnailviewer.loadimage(pagelinks[i],pagelinks[i]); break;
			
			//alert(document.getElementsByTagName("img").src);
			
	}
} //end if statement
//END FOR LOOP
//Reposition "thumbbox" div when page is resized
this.dotask(window, function(){if (thumbnailviewer.thumbBox.style.visibility=="visible") thumbnailviewer.centerDiv(thumbnailviewer.thumbBox)}, "resize")


} //END init() function

}

thumbnailviewer.createthumbBox() //Output HTML for the image thumbnail viewer
thumbnailviewer.dotask(window, function(){thumbnailviewer.init()}, "load") //Initialize script on page load
thumbnailviewer.dotask(window, function(){thumbnailviewer.cleanup()}, "unload")