var WPIS_Configuration = {
    init : function() {
        this.files();
    },

    files : function() {
        if ( $( '.wpis_upload_image_button' ).length > 0 ) {
            window.formfield = '';

            $('.wpis_upload_image_button').on('click', function(e) {
                e.preventDefault();
                window.formfield = $(this).parent().prev();
                window.tbframe_interval = setInterval(function() {
                    jQuery('#TB_iframeContent').contents().find('.savesend .button').val(wpis_vars.use_this_file).end().find('#insert-gallery, .wp-post-thumbnail').hide();
                }, 2000);
            if (wpis_vars.post_id != null ) {
                var post_id = 'post_id=' + wpis_vars.post_id + '&';
            }
                tb_show(wpis_vars.add_new_download, 'media-upload.php?' + post_id +'TB_iframe=true');
            });

            window.original_send_to_editor = window.send_to_editor;
            window.send_to_editor = function (html) {
                if (window.formfield) {
                    imgurl = $('a', '<div>' + html + '</div>').attr('href');
                    window.formfield.val(imgurl);
                    window.clearInterval(window.tbframe_interval);
                    tb_remove();
                } else {
                    window.original_send_to_editor(html);
                }
                window.formfield = '';
                window.imagefield = false;
            }
        }
    }

    WPIS_Configuration.init();