Fixed "Error alert when linke to node with parenthesis is title"

ckeditor_link.info

 ; $Id$
 name = CKEditor Link
 description = Easily create links to Drupal internal paths through CKEditor.
+package = User interface
 core = 6.x
\ No newline at end of file

plugins/link/plugin.js

@@ -32,7 +32,7 @@
   var extractPath = function(value) {
     value = CKEDITOR.tools.trim(value);
     var match;
-    match = /\((.*?)\)$/i.exec(value);
+    match = /\(([^\(]*?)\)$/i.exec(value);
     if (match && match[1]) {
       value = match[1];
     }