function initPage() {
	var navRoot = document.getElementById("main");
	var uls = navRoot.getElementsByTagName("ul");
	for (var i=0; i<uls.length; i++) {
		lis = uls[i].getElementsByTagName("li");
		for (var j=0; j<lis.length; j++) {
			lis[j].onmouseover = function() {
				this.className += " hover";
			}
			lis[j].onmouseout = function() {
				this.className = this.className.replace(new RegExp("hover"),"");
			}
		}
	}
	
	var navRoot = document.getElementById("header");
	var uls = navRoot.getElementsByTagName("ul");
	for (var i=0; i<uls.length; i++) {
		lis = uls[i].getElementsByTagName("li");
		for (var j=0; j<lis.length; j++) {
			lis[j].onmouseover = function() {
				this.className += " hover";
			}
			lis[j].onmouseout = function() {
				this.className = this.className.replace(new RegExp("hover"),"");
			}
		}
	}
}
if (window.attachEvent && !window.opera)
attachEvent("onload", initPage);