$(document).ready(function() {
                var homepage = $("input[name='homepage']").val();

                var validator = $("#aanmelden").validate({

                rules: {
                        voornaam: "required",
                        email: {
                                required: true,
                                email: true,
                                remote: "emails.php"
                        },
                        title: "required",
                        url: "required",
                        repurl:{
                                 required:true,
                                 remote: "check.php?homepage="+homepage
                        }
                },
                messages: {
                        voornaam: "Vul jouw naam in.",
                        email: {
                                required: "Vul jouw geldig emailadres in.",
                                minlength: "De emailadres is niet goed.",
                                remote: jQuery.format("{0} is al in gebruik.")
                        },
                        title: "U moet een titel invullen.",
                        url: "U moet URL invullen.",
                        repurl: "Vul uw teruglink URL in."
                },
                // the errorPlacement has to take the table layout into account
                errorPlacement: function(error, element) {
                        if ( element.is(":radio") )
                                error.appendTo( element.parent().next().next() );
                        else if ( element.is(":checkbox") )
                                error.appendTo ( element.next() );
                        else
                                error.appendTo( element.parent().next() );
                },
                // specifying a submitHandler prevents the default submit, good for the demo
                submitHandler: function() {
                $(form).submit();
                },
                // set this class to error-labels to indicate valid fields
                success: function(label) {
                        // set   as text for IE
                        label.html(" ").addClass("checked");
                }
        });
});