function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		home_over = newImage("images/menu/home-over.gif");
		about_over = newImage("images/menu/about-over.gif");
		auctiontimes_over = newImage("images/menu/auctiontimes-over.gif");
		faq_over = newImage("images/menu/faq-over.gif");
		contact_over = newImage("images/menu/contact-over.gif");
		buying_over = newImage("images/menu/buying-over.gif");
		selling_over = newImage("images/menu/selling-over.gif");
		view_over = newImage("images/menu/view-over.gif");
		preloadFlag = true;
	}
}

today=new Date();
jran=today.getTime();
var number = 3;
var random_number="";
var bannerimage="";
var banneralt="";
var bannerurl="";
var bannertarget="";
ia=9301;
ic=49297;
im=233280;
jran = (jran*ia+ic) % im;
random_number = Math.ceil( (jran/(im*1.0)) *number);

// Loads the appropriate image based on random number.
if (random_number==1) {
bannerimage = "images/menu/photo.jpg";
banneralt = "";
}
if (random_number==2) {
bannerimage = "images/menu/photo2.jpg";
banneralt = "";
}
if (random_number==3) {
bannerimage = "images/menu/photo3.jpg";
banneralt = "";
}