function showLoginWin() {
    var loginWin = new alertWin("管理员登录","Login.aspx",230,140);
}
function showManageMenu(objName) {
    $(objName).style.display = "block";
    $(objName).parentNode.onmouseover = "this.firstChild.style.display='';";
}
function mouseout(obj) {
    if (typeof (HTMLElement) != "undefined") {
        HTMLElement.prototype.contains = function(obj) {
            while (obj != null && typeof (obj.tagName) != "undefind")
            { if (obj == this) return true; obj = obj.parentNode; } return false;
        };
    }
    var evt = getEvent();
    if (!obj.contains(evt.toElement)) {
        obj.style.display = "none";
    }
}
function getEvent() {
    return (window.event || arguments.callee.caller.arguments[0]);
}