File Content: shortcode-generator-control.js function tiny_plugin(url, params) { var popup = params; tb_show('Insert Shortcode', url + '/shortcode-generator-content.php?popup=' + popup + '&width=' + 700 + '&height=' + 500); } (function() { tinymce.create('tinymce.plugins.tinyplugin', { init: function(ed, url) { ed.addButton('tinyplugin', { title: 'Insert Shortcode', onclick: function() { ed.execCommand('mceInsertContent', false, tiny_plugin(url) ); }, image: url + '/shortcode-generator-icon.png' } ); } } ); tinymce.PluginManager.add('tinyplugin', tinymce.plugins.tinyplugin); })(); Submit