var menus = new Array(new Array(2), new Array(4));
		
	menus[0][0] = 'about';
	menus[0][1] = 'services';
	menus[0][2] = 'myhealth';
	menus[0][3] = 'jointeam';
	
	function openMenu(el){
		if(document.getElementById(menus[0][el])){
			clearTimeout(menus[1][el]);
			document.getElementById(menus[0][el]).className = 'visible';
		}
	}
	function keepOpen(el){
		clearTimeout(menus[1][el]);
	}
	function closeMenu(el){
		menus[1][el] = window.setTimeout("document.getElementById('" + menus[0][el] + "').className = 'hidden'",100);
	}