ajax 调用 webserver

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>ajax webserver</title>
    <script type="text/javascript">
           function GetLogin()
           {
              var parme = document.getElementById("txtAccount").value;
              test.login.loginService.GetLogin(parme,Complate,Error);
           }
           function Complate(result)
           {
                var message = "";
                if(result ==false)
                {
                    message = "<font color='blue'>此账号可以注册！</font>";
                }
                if(result == true)
                {
                    message = "<font color='red'>此账号已经存在！</font>";
                    document.getElementById("submit").disabled = true;
                }
                document.getElementById("SpShowMessage").innerHTML = message;
                //alert(result);
           }
           function Error(result)
           {
                alert(result);
           }
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <asp:ScriptManager ID="ScriptManager1" runat="server">
    <Services>
        <asp:ServiceReference Path="~/login/loginService.asmx" />
    </Services>
    </asp:ScriptManager>
    <div>
      用户名： <input id="txtAccount" type="text" onkeyup="GetLogin();"/><span id="SpShowMessage"></span>
      <p>
      <input type="button" id="submit" runat="server" value="提交"/>
      </p>
    </div>
    </form>
</body>
</html>