[jQuery] [validate] jquery validation problem

[jQuery] [validate] jquery validation problem


hi,
i new to jquery, i'm using the jquery validation to validate my form.
using this code
<script src="includes/jquery/jquery.validate.js" type="text/
javascript"></script>
<script src="includes/jquery/cmxforms.js" type="text/javascript"></
script>
<script type="text/javascript">
    $.validator.setDefaults({
        submitHandler: function() { alert("submitted!"); }
    });
    $().ready(function() {
        $("#addrest").validate({
            rules: {
                restname: "required"
            },
            messages: {
                restname: "
<font face=\"Arial\" style=\"font-size: 9pt\" color=
\"#96A26F\">Please enter your Restaurant Name</font>"
            }
        });
    });
    $(document).ready(function() {
     $('#yes').click(function(){
     $('#tr').hide();
     });
     $('#no').click(function(){
     $('#tr').show();
     });
     });
</script><script src="includes/jquery/jquery.validate.js" type="text/
javascript"></script>
<script src="includes/jquery/cmxforms.js" type="text/javascript"></
script>
<script type="text/javascript">
    $.validator.setDefaults({
        submitHandler: function() { alert("submitted!"); }
    });
    $().ready(function() {
        $("#addrest").validate({
            rules: {
                restname: "required"
            },
            messages: {
                restname: "
<font face=\"Arial\" style=\"font-size: 9pt\" color=
\"#96A26F\">Please enter your Restaurant Name</font>"
            }
        });
    });
    $(document).ready(function() {
     $('#yes').click(function(){
     $('#tr').hide();
     });
     $('#no').click(function(){
     $('#tr').show();
     });
     });
</script>
its working fine under IE7 but when i press the submit button again on
FF or opera the message appears under the old message so i would have
two messages saying "this is required..." under each other. this keeps
happening every time i press the submit button.
how can i make the message show only once no matter how many times the
submit button is pressed?
thx