// Variables
var path = "../images/";
var imgArray = new Array('download','register','history','feature','screen','help','forums','eng','more');
var imgOn = new Array();
var imgOff = new Array();
//var i;
var bFirst = true;

// Preload Images Function
function preloadImgs()
{
	if( bFirst ){
		bFirst = false;
		for (var i = 0; i < imgArray.length; i++)
		{
			imgOn[i] = new Image();
			imgOn[i].src = path + imgArray[i] + "-on.gif";
			imgOff[i] = new Image();
			imgOff[i].src = path + imgArray[i] + "-off.gif";
		}
	}
}

// Mouse Over Function
function rollOver(i)
{
	preloadImgs(i)
	document.images[imgArray[i]].src = imgOn[i].src;
}

// Mouse Out Function
function rollOut(i)
{
	preloadImgs(i)
	document.images[imgArray[i]].src = imgOff[i].src;
}