<!--
	// Controlla la trasparenza delle immagini .png
	function correctPNG(){
		for(var i=0; i<document.images.length; i++){
			var img = document.images[i]
			var imgName = img.src.toUpperCase()
			if(imgName.substring(imgName.length-3, imgName.length) == "PNG"){
				var imgID = (img.id) ? "id='" + img.id + "' " : ""
				var imgClass = (img.className) ? "class='" + img.className + "' " : ""
				var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
				var imgStyle = " display: inline-block" + img.style.cssText 
				var imgAttribs = img.attributes;
				for (var j=0; j<imgAttribs.length; j++){
					var imgAttrib = imgAttribs[j];
					if(imgAttrib.nodeName == "align"){		  
						if(imgAttrib.nodeValue == "left") imgStyle = "float: left;" + imgStyle
						if(imgAttrib.nodeValue == "right") imgStyle = "float: right;" + imgStyle
						break
					}
				}
				var strNewHTML = "<span " + imgID + imgClass + imgTitle
				strNewHTML += " style=\"" + "width: " + img.width + "px; height: " + img.height + "px;" + imgStyle + ";"
				strNewHTML += " filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
				strNewHTML += "(src='" + img.src + "', sizingMethod='image');\""
				strNewHTML += "></span>" 
				img.outerHTML = strNewHTML
				i = i-1
			}
		}
	}
	
	if(document.all)
		window.attachEvent("onload", correctPNG);
	
	window.onload = function(){
		if(navigator.appName == "Microsoft Internet Explorer"){
			var arrElements = new Array(3);
			arrElements[0] = "object";
			arrElements[1] = "embed";
			arrElements[2] = "applet";
			
			for(n = 0; n < arrElements.length; n++){
				replaceObj = document.getElementsByTagName(arrElements[n]);
				
				for(i = 0; i < replaceObj.length; i++ ){
					parentObj = replaceObj[i].parentNode;
					newHTML = parentObj.innerHTML;
					parentObj.removeChild(replaceObj[i]);
					parentObj.innerHTML = newHTML;
				}
			}
		}
	}
	
	// Cambia l'immagine di sfondo alla classe
	function changeClass(idName, imgName){
		document.getElementById(idName).style.backgroundImage = "url('images/" + imgName + "')";
	}
	
	// Apre una pop-up centrata
	function centerPopup(namePage, w, h){
		var l = Math.floor((screen.width-w)/2);
		var t = Math.floor((screen.height-h)/2);
		var site = window.open("" + namePage + "", "popup", "toolbar=no, location=no, directories=no, status=yes, menubar=no, scrollbars=yes, resizable=no, width=" + w + ", height=" + h + ", top=" + t + ", left=" + l);
		site.focus();
	}
	
	// Mostra/nasconde il div "id"
	function showHideDiv(id, what){
		if(what == "show"){
			if(document.layers)
				document.layers['' + id + ''].visibility = "show";
			else if(document.all)
				document.all['' + id + ''].style.visibility = "visible";
			else if(document.getElementById)
				document.getElementById('' + id + '').style.visibility = "visible";
		}
		else{
			if(what == "hide"){
				if(document.layers)
					document.layers['' + id + ''].visibility = "hide";
				else if(document.all)
					document.all['' + id + ''].style.visibility = "hidden";
				else if(document.getElementById)
					document.getElementById('' + id + '').style.visibility = "hidden";
			}
		}
	}
//-->