var openPopups = new Array();

function openPopup(menueId){
	closePopups();
	
	openPopups = new Array();
	
	var popup = getObj(menueId);
	
	if(popup != undefined){	
		popup.style.display = 'block';	
		openPopups[0] = popup;		
	}
}

function closePopups(){
	for(var i = 0; i < openPopups.length; i++){
		openPopups[i].style.display = 'none';
	}
}