function getElements(el) {
	var element = document.getElementById(el);
	if (element != null) {
		for (var i = 0; i < element.childNodes.length; i++) {
			var childNode = element.childNodes[i];
			if(childNode.nodeName == "UL") {
				childNode.style.display = "";
			}
    	}
	}
}