var showed = '';
var hidden = "hidden";
	function show(id) {
		if (showed!='') document.getElementById('pod'+showed).style.visibility = 'hidden';
		showed = id;
		subMenu = document.getElementById('pod'+id);		
		menu = document.getElementById(id);
			
		subMenu.style.visibility = 'visible';
		
	}
	function hidpod(id) {
		s = setTimeout("document.getElementById('"+id+"').style.visibility = 'hidden'", 300);
	}