
var screenObj={
enableTitle: true, //Should "title" attribute of link be used as description?
enableAnimation: true, //Enable fading animation?
definefooter: '<div class="footerbar"><img src="/section/image/stage/bot_chiudi.gif" width="74" height="16"></div>', //Define HTML for footer interface
defineLoading: '<img src="/section/image/stage/loading.gif" /> Loading Image...', //Define HTML for "loading" div

/////////////No need to edit beyond here/////////////////////////

scrollbarwidth: 16,
opacitystring: 'filter:progid:DXImageTransform.Microsoft.alpha(opacity=10); -moz-opacity: 0.1; opacity: 0.1',
targetlinks:[], //Array to hold links with rel="thumbnail"

createthumbBox:function(){
//write out HTML for Image Thumbnail Viewer plus loading div




document.write('<div id="overlay" style="visibility:hidden"></div><div id="boxPopUp" style="visibility:hidden"></div><div id="thumbBox" onClick="screenObj.closeit()" style="visibility:hidden"><div id="thumbImage"></div>'+this.definefooter+'</div>')
document.write('<div id="thumbLoading" style="visibility:hidden">'+this.defineLoading+'</div>')
this.overlay=document.getElementById("overlay");
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


},



getPageSize:function(){

	var xScroll, yScroll;

	if (window.innerHeight && window.scrollMaxY) {
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}

	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}

	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else {
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight)
	return arrayPageSize;
},


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
scroll_top=scroll_top==0 ? 45: scroll_top;
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(topposition))+"px"
divobj.style.visibility="visible"
},

showthumbBox:function(){ //Show ThumbBox div
this.showOverlay();
this.centerDiv(this.thumbBox)
if (this.enableAnimation){ //If fading animation enabled
this.currentopacity=0.1 //Starting opacity value
this.opacitytimer=setInterval("screenObj.opacityanimation()", 20)
}
},

showOverlay:function(){
	var pagesize=this.getPageSize();
document.getElementById("overlay").style.height = pagesize[1] +"px";
document.getElementById("overlay").style.visibility="visible";
	},

loadimage:function(link){ //Load image function that gets attached to each link on the page with rel="thumbnail"
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='<img src="'+link.getAttribute("href")+'" style="'+this.opacitystring+'" />' //Construct HTML for shown image
if (this.enableTitle && link.getAttribute("title")) //Use title attr of the link as description?
imageHTML+='<br />'+link.getAttribute("title")
this.centerDiv(this.thumbLoading) //Center and display "loading" div while we set up the image to be shown
this.thumbImage.innerHTML=imageHTML // "<div class=logo><img src=/image/stage/copyright_image.jpg></div>" 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
screenObj.thumbLoading.style.visibility="hidden" //Hide "loading" div
screenObj.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
screenObj.thumbLoading.style.visibility="hidden" //Hide "loading" div, game over
}
},

loadvideo:function(link){
	var v=link.getAttribute("href").split("\/");
	var video=v[v.length-1];
	//this.centerDiv(this.thumbLoading)
	this.viewVideo(video);
	//this.thumbBox.style.visibility="visible";
	
},

viewVideo:function(video){
	var pagesize=this.getPageSize();
document.getElementById("overlay").style.height = pagesize[1] +"px";
document.getElementById("overlay").style.visibility="visible";
document.getElementById("boxPopUp").innerHTML="<object classid=\"clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=10,0,0,0\"  width=\"414\" height=\"354\" id=\"player\" align=\"middle\"><param name=\"allowFullScreen\" value=\"true\" /><param name=\"allowScriptAccess\" value=\"sameDomain\" /><param name=\"movie\" value=\"/section/image/flash/video_player.swf\" /><param name=\"quality\" value=\"high\" /><param name=\"wmode\" value=\"transparent\" /><param name=\"bgcolor\" value=\"#ffffff\" /><param name=\"FlashVars\" value=\"movie="+video+"\"><embed src=\"/section/image/flash/video_player.swf\" flashvars=\"movie="+video+"\" quality=\"high\" bgcolor=\"#ffffff\" width=\"414\" height=\"354\" name=\"player\" align=\"middle\" wmode=\"transparent\" allowScriptAccess=\"sameDomain\" allowFullScreen=\"true\" type=\"application/x-shockwave-flash\" pluginspage=\"http://www.adobe.com/go/getflashplayer\" /></object>";
this.centerDiv(document.getElementById("boxPopUp"))
	
},


viewFlyer:function(n){
var pagesize=this.getPageSize();
var w=n==0? "620": "900";
document.getElementById("overlay").style.height = pagesize[1] +"px";
document.getElementById("overlay").style.visibility="visible";

if(n>0){
	vars="flyerID="+n;
	}else{
		
		vars="view=1";
		}


document.getElementById("boxPopUp").innerHTML="<object  classid=\"clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=10,0,0,0\"    width=\""+w+"\" height=\"660\" id=\"player\" align=\"middle\"><param name=\"allowFullScreen\" value=\"true\" /><param name=\"allowScriptAccess\" value=\"sameDomain\" /><param name=\"movie\" value=\"/section/image/flash/flyer.swf\" /><param name=\"quality\" value=\"high\" /><param name=\"wmode\" value=\"transparent\" /><param name=\"bgcolor\" value=\"#ffffff\" /><param name=\"FlashVars\" value=\""+vars+"\"><embed src=\"/section/image/flash/flyer.swf\" flashvars=\""+vars+"\" quality=\"high\" bgcolor=\"#ffffff\" width=\""+w+"\" height=\"660\" name=\"player\" align=\"middle\" wmode=\"transparent\" allowScriptAccess=\"sameDomain\" allowFullScreen=\"true\" type=\"application/x-shockwave-flash\" pluginspage=\"http://www.adobe.com/go/getflashplayer\" /></object>";
this.centerDiv(document.getElementById("boxPopUp"))
	
},



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.overlay.style.visibility="hidden";
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].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(){ //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
if (pagelinks[i].getAttribute("rel") && pagelinks[i].getAttribute("rel")=="thumbnail"){ //Begin if statement
pagelinks[i].onclick=function(){
screenObj.stopanimation() //Stop any currently running fade animation on "thumbbox" div before proceeding
//screenObj.loadimage(this) //Load image
this.objh=this.getAttribute("href");
if(this.objh.indexOf('.flv')>0){
screenObj.loadvideo(this)
}else{
screenObj.loadimage(this)
}


return false
}
this.targetlinks[this.targetlinks.length]=pagelinks[i] //store reference to target link
} //end if statement
} //END FOR LOOP
//Reposition "thumbbox" div when page is resized
this.dotask(window, function(){if (screenObj.thumbBox.style.visibility=="visible") screenObj.centerDiv(screenObj.thumbBox)}, "resize")


} //END init() function

}

screenObj.createthumbBox() //Output HTML for the image thumbnail viewer
screenObj.dotask(window, function(){screenObj.init()}, "load") //Initialize script on page load
screenObj.dotask(window, function(){screenObj.cleanup()}, "unload")


function playVideo(video){
	screenObj.viewVideo(video);
	
	}
	
function closeBoxPopUp(){
	document.getElementById("overlay").style.visibility="hidden";
	document.getElementById("boxPopUp").innerHTML="";
	
	
	
	}	
	
function closeVideoBox(){
	document.getElementById("videobox").style.visibility="hidden";
	document.getElementById("videobox").innerHTML="";
	
	}	
	
	