Please Help on Mediashare + CKEditor

index.php?module=mediashare&type=external&func=finditem&url=relative&mode=html

// mediashare plugin for Xinha
// developed by sven schomacker (hilope)
//
// uses some code from pagesetter/Guppy by Jorn Lind-Nielsen (http://www.elfisk.dk)
// requires mediashare module, see url above, licensed under GPL
// imagefile taken from pagesetter/Guppy
//
// Distributed under the same terms as xinha itself.
// This notice MUST stay intact for use (see license.txt).

function Mediashare(editor) {
   this.editor = editor;
   var cfg = editor.config;
   var self = this;
   cfg.registerButton({
      id       : "Mediashare",
      tooltip  : "insert mediashare image",
      image    : _editor_url+"plugins/Mediashare/img/ed_mediashare.gif",
      textMode : false,
      action   : function(editor) {
         url = document.location.pnbaseURL + document.location.entrypoint + "?module=mediashare&type=external&func=finditem&url=relative&mode=html";
         mediashareFindItemHtmlArea30(editor, url);
      }
   })
   cfg.addToolbarElement("Mediashare", "insertimage", 1);
}
Mediashare._pluginInfo = {
   name          : "Mediashare for xinha",
   version       : "2.0",
   developer     : "sven schomacker",
   developer_url : "http://www.schomedia.com/",
   sponsor       : "hilope.de",
   sponsor_url   : "http://www.hilope.de/",
   license       : "htmlArea"
};