window.onload = function(){
	
	var topmenu = document.getElementById("topmenu")
	if(topmenu){
		var liSet = topmenu.getElementsByTagName('LI');				
		for(var i = 0; i < liSet.length; i++){										
			liSet[i].onmouseover = function(){
				this.oldClassName = this.className;
				this.className = this.oldClassName + " over";}				
			liSet[i].onmouseout = function(){
				this.className = this.oldClassName;}}}
	
	var ul_ell = document.getElementById('menu').getElementsByTagName('ul');
	for(var i = 0; i < ul_ell.length; i++){		
		var liSet = ul_ell[i].getElementsByTagName('LI');				
		for(var i = 0; i < liSet.length; i++){										
			liSet[i].onmouseover = function(){
				this.oldClassName = this.className;
				this.className = this.oldClassName + " over";}				
			liSet[i].onmouseout = function(){
				this.className = this.oldClassName;}}}
}