// Some variables

var base= "images/";
var imgOff = new Array();
var imgOn = new Array();
var imgNames = new Array('info_64x17',
	'buy_51x17',
	'basket_73x32',
	'checkout_61x32',
	'keepshopping_92x17',
	'continue_159x17');

// Pre-load part.
// assume images all end with _off.gif or _on.gif!
function preload(directory)
{
	base = directory;
	if (document.images)
	{
		for (i=0;i<imgNames.length;i++)
		{
			imgOff[i] = new Image;
			imgOff[i].src = base + imgNames[i] + "_off.gif";
			imgOn[i] = new Image;
			imgOn[i].src = base + imgNames[i] + "_on.gif";
		}
	}
}

// The functions: first mouseover, then mouseout

function over(name, num)
{
	if (document.images)
	{
		document.images[name].src = imgOn[num].src;
	}
}

function out(name, num)
{
	if (document.images)
	{
		document.images[name].src = imgOff[num].src;
	}
}