/* lib.js required */

addLoadEvent(
	function(){
		
		var numMenu = 5;
		
		for(i = 1; i <= numMenu; i++){
			
			var menu = eval('"menu" + i');
			var subMenu = eval('"sub-menu" + i');
			
			if(document.getElementById(subMenu)){
				document.getElementById(subMenu).style.display = "none";
				
				document.getElementById(menu).onmouseover = closure(showSubMenu, [subMenu]);
				document.getElementById(menu).onmouseout = closure(hideSubMenu, [subMenu]);
			}
		}
	}
);

function showSubMenu(subMenu){
	document.getElementById(subMenu).style.display = "block";
}

function hideSubMenu(subMenu){
	document.getElementById(subMenu).style.display = "none";
}