如何捕获form.submit的响应

I have the following code:

我有以下代码：

<script type="text/javascript">
        function SubmitForm()
        {

            form1.submit();
        }

        function ShowResponse()
        {

        }
</script>
.
.
.
<div>
    <a href="/go.html?url=#" onclick="SubmitForm();">Click</a>
</div>
<script