[jQuery] problem with submitting a form with ajaxSubmit

[jQuery] problem with submitting a form with ajaxSubmit


I have a problem with submitting a form with ajaxSubmit - I am very
confused because on a other page it is working the same way?
here some code:
$("#myForm1").validate({
        submitHandler: function(form) {
            $(form).ajaxSubmit({
                target: result,
                success: getData,
                clearForm: true
            });;
        },
        rules: {
        name: "required",
        time: "required",
        tax: {required: true, number: true}
        }
    });
<form id="myForm1" name="myForm1" method="post" enctype="multipart/
form-data" action="ajax.php">
when I press the submit button the form is submitted but the browser
go to the ajax.php page?!
could I check something?