function precache(id)
{
	var img = new Array();

	for(var i = 0; i < id.length; i++)
	{
		img[i] = new Image();
		img[i].src = "/images/" + id[i] + "a.jpg";
	}
}

function mouseon(id)
{
	var obj = document.getElementById(id);
	obj.src = "/images/" + id + "a.jpg";
}

function mouseoff(id)
{
	var obj = document.getElementById(id);
	obj.src = "/images/" + id + ".jpg";
}