var path = "/images/";
var format = ".png";
var preover = "-over";
var predown = "-down";
var ImgSrc,Img;
			
function swap (name)
{
	ImgSrc=document[name].src;
	Img=document[name];
	document[name].src = path+name+preover+format;;
}
			
function restore ()
{
	Img.src = ImgSrc;
}

function down(name)
{
	document[name].src = path+name+predown+format;
}
	
function preload ()	
{
	var imgOver = new Array();
	for (var i = 0; i < PreloadArray.length; i++)
	{
		imgOver[i] = new Image();
		imgOver[i].src = PreloadArray[i] ;
	}
}

function openWin(url, features)
{
	window.open(url, '', features);
}