myBrowser=navigator.appName
myVersion=navigator.appVersion
var version45=(myVersion.indexOf("4.")!=-1||myVersion.indexOf("5.")!=-1)
var NS=(myBrowser.indexOf("Netscape")!=-1 && version45)
var IE=(myBrowser.indexOf("Explorer")!=-1 && version45)
if(IE){var hide="hidden";var show="visible"}
if(NS){var hide="hide";var show="show"}
if(!NS&&!IE)alert("This file is intended to run under Netscape versions 4.0+ or Internet Explorer versions 4.0+, and may not run properly on earlier versions")

function visBlock(divId)
{
if(IE){
	WhichEl = eval(divId);
	WhichEl.style.display= "block";
	}
if(NS){ document.eval(divId).visibility=show }
}

function invisBlock(divId)
{
if(IE){
	WhichEl = eval(divId);
	WhichEl.style.display= "none";
	}
if(NS){document.eval(divId).visibility=hide}
}


function ExpandBlock(divId)
{
if(IE){
	WhichEl = eval(divId);
	if (WhichEl.style.display == "none") {
		WhichEl.style.display= "block";
		} else {
		WhichEl.style.display= "none";
		}
	}
if(NS){ document.eval(divId).visibility=show }
}

function gshot(desktopURL, windowName, dimX, dimY)
{
	desktop=window.open(desktopURL,windowName,"toolbar=no,location=no,status=no,menubar=no,scrollbars=no,width="+dimX+",height="+dimY+",resizable=no");
}

function gshot_scroll(desktopURL, windowName, dimX, dimY)
{
	desktop=window.open(desktopURL,windowName,"toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,width="+dimX+",height="+dimY+",resizable=no");
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		home_amarc_amarc_it_over = newImage("images_home/home_amarc@amarc.it-over.gif");
		home_Livello_2_over = newImage("images_home/home_Livello-2-over.gif");
		home_Livello_5_over = newImage("images_home/home_Livello-5-over.gif");
		home_Livello_4_over = newImage("images_home/home_Livello-4-over.gif");
		home_Livello_1_over = newImage("images_home/home_Livello-1-over.gif");
		home_Livello_6_over = newImage("images_home/home_Livello-6-over.gif");
		home_Livello_3_over = newImage("images_home/home_Livello-3-over.gif");
		preloadFlag = true;
	}
}