// JavaScript Document
var __isIE =  navigator.appVersion.match(/MSIE/);  
var __userAgent = navigator.userAgent;  
var __isFireFox = __userAgent.match(/firefox/i);  
var __isFireFoxOld = __isFireFox && (__userAgent.match(/firefox\/2./i) || __userAgent.match(/firefox\/1./i));  
var __isFireFoxNew = __isFireFox && !__isFireFoxOld;  

function __parseBorderWidth(width) {  
var res = 0;  
if (typeof(width) == "string" && width != null && width != "" ) {  
var p = width.indexOf("px");  
if (p >= 0) {  
res = parseInt(width.substring(0, p));  
}  
else {  
//do not know how to calculate other values (such as 0.5em or 0.1cm) correctly now  
//so just set the width to 1 pixel  
res = 1;   
}  
}  
return res;  
}  

//returns border width for some element  
function __getBorderWidth(element) {  
var res = new Object();  
res.left = 0; res.top = 0; res.right = 0; res.bottom = 0;  
if (window.getComputedStyle) {  
//for Firefox  
var elStyle = window.getComputedStyle(element, null);  
res.left = parseInt(elStyle.borderLeftWidth.slice(0, -2));    
res.top = parseInt(elStyle.borderTopWidth.slice(0, -2));    
res.right = parseInt(elStyle.borderRightWidth.slice(0, -2));    
res.bottom = parseInt(elStyle.borderBottomWidth.slice(0, -2));    
}  
else {  
//for other browsers  
res.left = __parseBorderWidth(element.style.borderLeftWidth);  
res.top = __parseBorderWidth(element.style.borderTopWidth);  
res.right = __parseBorderWidth(element.style.borderRightWidth);  
res.bottom = __parseBorderWidth(element.style.borderBottomWidth);  
}  
return res;  
}

function getAbsolutePos(element) {  
var res = new Object();  
res.x = 0; res.y = 0;  
if (element !== null) {  
res.x = element.offsetLeft;  
res.y = element.offsetTop;  
var offsetParent = element.offsetParent;  
var parentNode = element.parentNode;  
var borderWidth = null;  
while (offsetParent != null) {  
res.x += offsetParent.offsetLeft;  
res.y += offsetParent.offsetTop;  
var parentTagName = offsetParent.tagName.toLowerCase();   
if ((__isIE && parentTagName != "table") || (__isFireFoxNew && parentTagName == "td")) {              
borderWidth = __getBorderWidth(offsetParent);  
res.x += borderWidth.left;  
res.y += borderWidth.top;  
}  
if (offsetParent != document.body && offsetParent != document.documentElement) {  
res.x -= offsetParent.scrollLeft;  
res.y -= offsetParent.scrollTop;  
}  
//next lines are necessary to support FireFox problem with offsetParent  
if (!__isIE) {  
while (offsetParent != parentNode && parentNode !== null) {  
res.x -= parentNode.scrollLeft;  
res.y -= parentNode.scrollTop;  
if (__isFireFoxOld) {  
borderWidth = _getBorderWidth(parentNode);  
res.x += borderWidth.left;  
res.y += borderWidth.top;  
}  
parentNode = parentNode.parentNode;  
}      
}  
parentNode = offsetParent.parentNode;  
offsetParent = offsetParent.offsetParent;  
}  
}  
return res;  
}  

function aprichiudi (myul)
{
	if (document.getElementById(myul).style.display == "block")
	{
		document.getElementById('h1'+myul).style.backgroundImage = "url(/css/Arrow-Right.gif)";
		document.getElementById(myul).style.display = "none";
	}
	else
	{
		 document.getElementById('h1'+myul).style.backgroundImage = "url(/css/Arrow-Bottom.gif)";
		 document.getElementById(myul).style.display = "block";
	}
}


function Visualizza(foto)
{
 var str = foto.src;
 document.getElementById("OverView").src = "";
 document.getElementById("OverView").src = str.replace('small','big');
 var pos = getAbsolutePos(foto);	
 document.getElementById("OverView").style.top = pos.y - 30;
 document.getElementById("OverView").style.left = pos.x - 310;
 document.getElementById("OverView").style.visibility = "visible";
}

function Nascondi(foto)
{
	document.getElementById("OverView").style.visibility = "hidden";
}