function JavCheckVcode(Obj,tvcode){
    var VcodeValue = document.getElementById(tvcode).value;
    var ret = Obj.CheckVcode(VcodeValue).value;
    if(ret == "true")
        return true;
    else{
        alert(ret);
        return false;
    }
}

function CheckMomey(ObjID){    
    var theValue = document.getElementById(ObjID).value;    
    if(theValue=="" || eval(theValue) <= 0) {
        alert("请输入要充值的金币数。");
        return false;
    }
    return true;
}