function openFondo(event){
	var open = $("open-fondos");
	var close = $("close-fondos");
	
	if(!open || !close) return stopBubble(false);
	
	event = event || window.event;		
	open.onclick = preventAction;
	
	var fondo = $("fondo-popup");
	if(fondo){
		fondo.style.display = "none";
		fondo.setOpacity(0);
	}
	
	return fadeIn(fondo,function(){ close.onclick = closeFondo; });
}

function closeFondo(event){
	var open = $("open-fondos");
	var close = $("close-fondos");
	
	if(!open || !close) return stopBubble(false);
	
	event = event || window.event;
	close.onclick = preventAction;
	
	return fadeOut("fondo-popup",function(){ open.onclick = openFondo; });			
}

function preventAction(event){
	event = event || window.event;
	return stopBubble(event);
}

function setupFondos()
{
	var open = $("open-fondos");
	var close = $("close-fondos");
	
	if(!open && close) return false;
	
	open.onclick = openFondo; 
}