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

	var submenu = document.getElementById("submenu")
		if(submenu){
			var liSet = submenu.getElementsByTagName('LI');				
			for(var i = 0; i < liSet.length; i++){										
				liSet[i].onmouseover = function(){
					this.oldClassName = this.className;
					if(this.oldClassName == "white")
						this.className = this.oldClassName + "over";
					else
						this.className = this.oldClassName + " over";}				
				liSet[i].onmouseout = function(){
					this.className = this.oldClassName;}}}
}