var checkLogin = function(){
    var obj = corefunc.$("iptPassport");
    if(corefunc.trim(obj.value)==""){
        alert("请填写登录帐号！");obj.focus();return false;
    }

    obj = corefunc.$("iptPassword");
    if(corefunc.trim(obj.value)==""){
        alert("请填写登录密码！");obj.focus();return false;
    }
    return true;
}