// MAIN MENU

mainNavHover = function() {
	var mainNavEls = document.getElementById("mainNav").getElementsByTagName("LI");
	for (var i=0; i<mainNavEls.length; i++) {
		mainNavEls[i].onmouseover=function() {
			this.className+="mainNavhover";
		}
		mainNavEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp("mainNavhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", mainNavHover);