// JavaScript Document
var cants=new Array();

function showMenu(obj) {
	clearTimeout( cants[obj]);
	var el = document.getElementById(obj);
	el.style.display = 'block';
}

function hideMenu(obj) {
	var el = document.getElementById(obj);
	if ( el.style.display == 'block') {
		cants[obj]= setTimeout('hideAux("'+obj+'")',500);
	}
}

function hideAux( obj ){
	clearTimeout( cants[obj]);
	var el = document.getElementById(obj);
	el.style.display = 'none';
}