var thumbnailviewer={
enableTitle: true, 
enableAnimation: true, 
definefooter: '<div class="footerbar"><img src="/section/image/stage/bot_chiudi.gif" width="74" height="16"></div>',
defineLoading: '<img src="/section/image/stage/loading.gif" />Caricamento in corso...', 
scrollbarwidth: 16,
opacitystring: 'filter:progid:DXImageTransform.Microsoft.alpha(opacity=10); -moz-opacity: 0.1; opacity: 0.1',
targetlinks:[], 

createthumbBox:function(){
document.write('<div id="thumbBox" onClick="thumbnailviewer.closeit()" style="visibility:hidden"><div id="thumbImage"></div>'+this.definefooter+'</div>')
document.write('<div id="thumbLoading" style="visibility:hidden">'+this.defineLoading+'</div>')
this.thumbBox=document.getElementById("thumbBox")
this.thumbImage=document.getElementById("thumbImage")
this.thumbLoading=document.getElementById("thumbLoading") 
this.standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body 
},


centerDiv:function(divobj){
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" 
divobj.style.top=Math.floor(parseInt(topposition))+"px"
divobj.style.visibility="visible"
},

showthumbBox:function(){ 
this.centerDiv(this.thumbBox)
if (this.enableAnimation){ 
this.currentopacity=0.1
this.opacitytimer=setInterval("thumbnailviewer.opacityanimation()", 20)
}
},


loadimage:function(link){ 
if (this.thumbBox.style.visibility=="visible")
this.closeit() 
var imageHTML='<img src="'+link.getAttribute("href")+'" style="'+this.opacitystring+'" />'
if (this.enableTitle && link.getAttribute("title")) 
imageHTML+='<br />'+link.getAttribute("title")
this.centerDiv(this.thumbLoading) 
this.thumbImage.innerHTML=imageHTML 
this.featureImage=this.thumbImage.getElementsByTagName("img")[0] 
this.featureImage.onload=function(){
thumbnailviewer.thumbLoading.style.visibility="hidden"
thumbnailviewer.showthumbBox()
}
if (document.all && !window.createPopup)
this.featureImage.src=link.getAttribute("href")
this.featureImage.onerror=function(){ 
thumbnailviewer.thumbLoading.style.visibility="hidden" 
}
},


loadvideo:function(link){
	var v=link.getAttribute("href").split("\/");
	var video=v[v.length-1];
	//this.centerDiv(this.thumbLoading)
	this.thumbImage.innerHTML="<object classid=\"clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\" codebase=\"http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0\"  width=\"320\" height=\"276\" id=\"player\" align=\"middle\"><param name=\"allowFullScreen\" value=\"true\" /><param name=\"allowScriptAccess\" value=\"sameDomain\" /><param name=\"movie\" value=\"/section/image/flash/video_list.swf\" /><param name=\"quality\" value=\"high\" /><param name=\"wmode\" value=\"transparent\" /><param name=\"bgcolor\" value=\"#ffffff\" /><param name=\"FlashVars\" value=\"video="+video+"\"><embed src=\"/section/image/flash/video_list.swf\" flashvars=\"video="+video+"\" quality=\"high\" bgcolor=\"#ffffff\" width=\"320\" height=\"276\" name=\"player\" align=\"middle\" allowScriptAccess=\"sameDomain\" allowFullScreen=\"true\" type=\"application/x-shockwave-flash\" pluginspage=\"http://www.macromedia.com/go/getflashplayer\" /></object>";
	this.centerDiv(this.thumbBox)
	
	this.thumbBox.style.visibility="visible";
	
},

setimgopacity:function(value){ 
var targetobject=this.featureImage
if (targetobject.filters && targetobject.filters[0]){
if (typeof targetobject.filters[0].opacity=="number")
	targetobject.filters[0].opacity=value*100
else //IE 5.5
	targetobject.style.filter="alpha(opacity="+value*100+")"
}
else if (typeof targetobject.style.MozOpacity!="undefined")
targetobject.style.MozOpacity=value
else if (typeof targetobject.style.opacity!="undefined")
targetobject.style.opacity=value
else 
this.stopanimation()
},

opacityanimation: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(){ 
this.stopanimation()
this.thumbBox.style.visibility="hidden"
this.thumbImage.innerHTML=""
this.thumbBox.style.left="-2000px"
this.thumbBox.style.top="-2000px"
},

cleanup:function(){
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].onclick=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(){ 
if (!this.enableAnimation)
this.opacitystring=""
var pagelinks=document.getElementsByTagName("a")
for (var i=0; i<pagelinks.length; i++){
if (pagelinks[i].getAttribute("rel") && pagelinks[i].getAttribute("rel")=="thumbnail"){
pagelinks[i].onclick=function(){
thumbnailviewer.stopanimation()
this.objh=this.getAttribute("href");

if(this.objh.indexOf('.flv')>0){
thumbnailviewer.loadvideo(this)
}else{
thumbnailviewer.loadimage(this)
}


return false
}
this.targetlinks[this.targetlinks.length]=pagelinks[i]
} 
}

this.dotask(window, function(){if (thumbnailviewer.thumbBox.style.visibility=="visible") thumbnailviewer.centerDiv(thumbnailviewer.thumbBox)}, "resize")


} 

}

thumbnailviewer.createthumbBox() 
thumbnailviewer.dotask(window, function(){thumbnailviewer.init()}, "load") 
thumbnailviewer.dotask(window, function(){thumbnailviewer.cleanup()}, "unload")