How to post to a URL with Parameters?

<div>
 <form method="post" action="">
   <input type="hidden" id="url" name="url" value="http:\\mysite"/>
    <input type="hidden" id="parameter" name="parameter" value="polNo=23|seqNo=3456|status=A"/>
 </form>
</div>

<script type="text/javascript" language="javascript">
    $(document).ready(
        function () {
            postToUrl($("#url").val(), $("#parameter").val(), "post");
        }
    );

    function postToUrl(path, params, method) {
        var form = document.createElement("form");
        form.setAttribute("method", method);
        form.setAttribute("action", path);
        var hiddenField = document.createElement("input");
        hiddenField.setAttribute("type", "hidden");
        hiddenField.setAttribute("name", "parameter");
        hiddenField.setAttribute("id", "parameter");
        hiddenField.setAttribute("value", params);
        form.appendChild(hiddenField);
        document.body.appendChild(form);
        form.submit();
    }
</script>