document.observe("dom:loaded", function() {
    $('form_submit').observe('click', function(event) {
        if(check_leads_form()) {
            execute_action('controller.php?page=leads', 'leadsform', 'leads_div');
        }
    });
    Element.observe('leadsform', 'submit', function(event) {
        Event.stop(event);
    });
    /*
    $('postcode').observe('change', function(event) {
        postcodelookup();
    });
    $('huisnummer').observe('change', function(event) {
        postcodelookup();
    });
    */
    /*
    $('zakelijk').observe('click', function(event) {
        if ($('zakelijk').checked) {
            $('bedrijfsnaam_tr').show();
        } else {
            $('bedrijfsnaam_tr').hide();
        }
    });
    */
    $('product').observe('change', function(event) {
        if ($('product').value == '4') {
            $('product_details_tr').show();
        } else {
            $('product_details_tr').hide();
        }
    });
});