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