move Gravity Forms field labels from below to above fields

<?php
/**
* move field labels from below to above fields
* add this to a simple plugin, or your theme's functions.php file
*
* @ref http://www.gravityhelp.com/forums/topic/change-position-of-sub-labels-on-advanced-fields
* @ref http://pastebin.com/CfFeP4Ux
*
* @param array $form
* @return array
*/
function gf_script_move_labels_above($form) {
    ob_start();
    ?>

    (function($) {
        $(".ginput_container").has("input[type='email'],input[type='text'],input[type='password'],select,textarea").find("label").each(function() {
            var e = $(this), fielddesc = $("<div>").append(e.clone()).remove().html();
            e.siblings("input,select,textarea").before(fielddesc);
            e.remove();
        });
    })(jQuery);

    <?php
    $script = ob_get_clean();
    GFFormDisplay::add_init_script($form['id'], 'gf_labels_above', GFFormDisplay::ON_PAGE_RENDER, $script);

    return $form;
}

add_filter('gform_register_init_scripts', 'gf_script_move_labels_above');