function hide_gap() {
	var divElements = document.getElementsByTagName("ul");
	for(i=0;i<divElements.length;i++) {
		var text = divElements[i].id;
		if (text != "") {
			var children = divElements[i].getElementsByTagName("li");
			//alert(i + ")" + children.length + " " + divElements[i].id);
			if (children.length == 0) {
				//divElements[i].style.display = 'none';
				if (navigator.userAgent.indexOf("MSIE")!=-1) {
					divElements[i].style.margin = '-11px';
					divElements[i].style.padding= '0';
				} else {
					divElements[i].style.margin = '0';
					divElements[i].style.padding= '0';
				}
			 }
		}
	}
}