var oldID = "1";
var oldSender = null;
function menu_click(sID) {
	document.getElementById("div_" + oldID).style.display = "none";
	document.getElementById("div_" + sID).style.display = "block";
	if (oldSender != null) {
		oldSender.style.fontWeight = "normal";
		oldSender.style.fontSize = "12px";
	}
	var sender = event.srcElement;
	sender.style.fontWeight = "bold";
	sender.style.fontSize = "14px";
	oldID = sID;
	oldSender = sender;
}
function menu_over() {
	var sender = event.srcElement;
	sender.style.color = "#FFF200";
}
function menu_out() {
	var sender = event.srcElement;
	sender.style.color = "#FFFFFF";
}
function ChangeCode() {
	var d = new Date();
	document.getElementById("imgCode").src = "verifycode.html?d=" + d;
}