Problems adding more then one plugin?

No matter what, only the last plugin is executed.

I see that both plugin.js are loaded properly. Both Icons and title text are correct in the editor. No error messages.

Here's my code:

   CKEDITOR.replace( 'body',
   {
      filebrowserBrowseUrl : '/' + gPath + '/' + 'frmBrowseFiles?ReadForm',
      filebrowserImageBrowseUrl : '/' + gPath + '/' + 'frmBrowseImages?ReadForm',
      filebrowserLinkBrowseUrl : '/' + gPath + '/' + 'vGetLinks?OpenView',
      skin: 'classic',
      extraPlugins : 'dnewpage,dcopypage',
      toolbar: [
            ['Source'],['Save','dNewPage','dCopyPage','Preview'],
            ['Cut','Copy','Paste','PasteText','PasteFromWord','-','Scayt'],
         ['Undo','Redo','-','Find','Replace','-','SelectAll','RemoveFormat'],
            ['Image','Flash','Table','Smiley','SpecialChar','PageBreak'],
         '/',
            ['Styles','Format'],
         ['Bold','Italic','Strike'],
            ['NumberedList','BulletedList','-','Outdent','Indent','Blockquote'],
            ['Link','Unlink','Anchor'],
            ['Maximize']
         ]
   })