var tf = "1";
function showTFH(li){
	tf++;
	//sizeTF();
	// Catch child UL node
	var childNodes = li.childNodes;
	for(var i in childNodes) {
		if(childNodes[i].nodeName == "UL") {
			childNodes[i].style.display = "block";
		}
		if(childNodes[i].nodeName == "A") {
			childNodes[i].className = "act";
		}
	}
}
function hideTFH(li){
	tf--;
	//sizeTF();
	var childNodes = li.childNodes;
	for(var i in childNodes) {
		if(childNodes[i].nodeName == "UL") {
			childNodes[i].style.display = "none";
		}
		if(childNodes[i].nodeName == "A") {
			childNodes[i].className = "";
		}
	}
}