var MapNomi = new Array ("1","2","3","4","5","6","7","8")
var MapSources = new Array ();
for (conta in MapNomi)
	{
	MapSources[conta] = new Image();
	MapSources[conta].src = "../img/logo_menu"+MapNomi[conta]+".gif";
	}
var MapDefault = new Image(); MapDefault.src="../img/logo_default.gif";
var BaseMap = new Image(); BaseMap.src="../img/logo_default.gif";

var MapDefaultTimer;
		
function RollOn(ImgNum)
	{
	document.RollerMap.src=MapSources[ImgNum].src;
	clearTimeout(MapDefaultTimer);
	}

function RollOut()
	{
	clearTimeout(MapDefaultTimer);
	document.RollerMap.src=MapDefault.src;
	MapDefaultTimer=setTimeout("document.RollerMap.src=BaseMap.src;",200);
	}
	
onload=SetDefaults;

function SetDefaults()
	{
	if (ImgDefault!=-1)
		{
		BaseMap.src=MapSources[ImgDefault].src;
		document.RollerMap.src=MapSources[ImgDefault].src;
		}
	}