var current_sponsor = 1;
function preload_sponsors() {
	var temp;
	for (var i = 1; i <= 15; i++ ) {
		temp = new Image(240, 99);
		temp.src = "images/sponsor_" + i + ".gif";
	}
	setTimeout(swapSponsor, 5000);
}
function swapSponsor() {
	document.getElementById("sponsor_image");
}