window.onload = function () {
    if (document.all && document.getElementById) {
        navCont = document.getElementById('menuHeader');
        var menu = navCont.firstChild;
		while(menu) {
			if (menu.nodeName.toLowerCase()=="ul") {
				setupIENav(menu);
			}
			menu = menu.nextSibling;
		}
    }
}

function setupIENav(n) {
    var cn = n.firstChild;
    while(cn) {
        if (cn.nodeName.toLowerCase()=="li" && CSSClass.is(cn, "submenuTitle")) {
            cn.onmouseover = showSubUL;
            cn.onmouseout = hideSubUL;
        }
        cn = cn.nextSibling;
    }
}

function showSubUL() {
	CSSClass.add(this, "showMenu");
}

function hideSubUL() {
	CSSClass.remove(this, "showMenu");
}