initializeMenu = function() {
	if (document.all&&document.getElementById) {
		$A($('mainmenu').getElementsByTagName('LI')).each(function(element){
			element.onmouseover=function() {
				Element.addClassName(this,'over');
			};
			element.onmouseout=function() {
				Element.removeClassName(this,'over');
			};

			$A(element.getElementsByTagName('LI')).each(function(element){
				element.onmouseover=function() {
					Element.addClassName(this,'over');
				};
				element.onmouseout=function() {
					Element.removeClassName(this,'over');
				};
			});

		});
	}
}

Event.observe(window, 'load', initializeMenu, false);