[jQuery] Exception errors when using validation rules

[wwor...@gmail.com]

Hi everyone, i'm getting a weird exception with 1.3.1 please see the
video link to watch what happens.

http://screencast.com/t/4Ih9rhKwZP

and if you don't watch the video i'm doing an ajax submit but it's
refreshing the page and throwing the error

exception:
[Exception... "'Syntax error, unrecognized expression:
[...@for='license']' when calling method:
[nsIDOMEventListener::handleEvent]" nsresult: "0x8057001e
(NS_ERROR_XPC_JS_THREW_STRING)" location: "<unknown>" data: no]

jquery
        var container = $('div.container');
        $('#addlicense').validate({
                        submitHandler: function() {
                                $.ajax({
                                  type: 'POST',
                                  url: 'process.php?cmd=addlicense',
                                  dataType: 'html',
                                  data: { issuedby: $('#issuedby').val(), 
license: $
('#license').val(), licensenum: $('#licensenum').val(), issueddate: $
('#issueddate').val(), expiredate: $('#expiredate').val(), licenseid: $
('#licenseid').val(), action: $('#action').val(), noexpire: $("input
[name='noexpire']:checked").val() },
                                  success: function(data){
                                    $('#licenseresult').prepend(data);
                                  },
                                  error: function(){
                                    alert("An error has occurred. Please try 
again.");
                                  },
                                  complete: function() {
                                    $('#results').fadeIn('slow');
                                    $('#licensenew').colorBlend([{ fromColor: 
'#F3F3F3', toColor:
'#33CC33', param: 'backgroundColor', cycles: 1 }]);
                                    $("#addlicense").slideUp();
                                    $("#nolicense").hide();
                                    $("#licensectr").show();
                                  }
                                });
                                return false;
                        },
                        errorContainer: container,
                        errorLabelContainer: $("ul", container),
                        wrapper: 'li',
                        meta: "validate",
                        rules: {
                                license: {
                                        required: true
                                },
                                licensenum: {
                                        required: true
                                },
                                issuedby: {
                                        required: true
                                },
                                issueddate: {
                                        required: true
                                },
                                expiredate: {
                                        required: {
                                                required: true,
                                                depends: function(element) {
                                                        return 
$("#noexpire:checked")
                                                }
                                        }
                                }
                        },
                        messages: {
                                license: {
                                        required: "License Name Description is 
required"
                                },
                                licensenum: {
                                        required: "License number ID is 
required"
                                },
                                issuedby: {
                                        required: "Issued by is required"
                                },
                                issueddate: {
                                        required: "Date Issued is required"
                                },
                                expiredate: {
                                        required: "Expires On is required"
                                }
                        }
        });