function menus() {
	var menuitems = new Array();
	menuitems[0] = document.getElementById("corporate");
	menuitems[1] = document.getElementById("investor_info");
	menuitems[2] = document.getElementById("lion_offer");
	
	for (i=0;i<menuitems.length; i++) {
				alert();
			menuitems[i].onmouseover = function() {
				var submenuitem = this.getElementsByTagName("UL");
				submenuitem[0].className = 'submenu active';

			}
			menuitems[i].onmouseout = function() {
				var submenuitem = this.getElementsByTagName("UL");
				submenuitem[0].className = 'submenu';
			}
		}
}
window.onload = menus;