var
    to = 0;
  function showmenu(id) {
    breakto();
		document.getElementById('submenu'+id).style.display="block";
	}
	function hidemenu(id) {
		document.getElementById('submenu'+id).style.display="none";
	}
	function timemenu(id) {
		to=setTimeout("hidemenu("+id+")",1000);
	}
	function breakto() {
		if (to) clearTimeout(to);
		to=0;
	}