window.onload = function initPage() {

	var menu = document.getElementById("main_menu");

	var menuImgs = menu.getElementsByTagName("img");

	for(var i=0;i<menuImgs.length;i++) {

		if(menuImgs[i].className != "current") {

			menuImgs[i].onmouseover = rollImage;

			menuImgs[i].onmouseout = rollBack;

		}

	}

	

	var promolink = document.getElementById("promolink");

		promolink.firstChild.onmouseover = rollImage;

		promolink.firstChild.onmouseout = rollBack;



}



function rollImage() {

	splitsrc = this.src.split("_");

	this.src = splitsrc[0]+"_up.gif";

}



function rollBack() {

	splitsrc = this.src.split("_");

	this.src = splitsrc[0]+"_down.gif";

}