title: uncaught exception: [CKEDITOR.editor] The instance already exists
body: <p>I've included the CKEditor on my site. Everything works even though I get this JS error:</p>
  
  <p><strong>uncaught exception: [CKEDITOR.editor] The instance "simple_editor" already exists.</strong></p>
  
  <p>The code below is contained inside a PHP file which I include where ever I want the editor. I only have one instance of the editor per page.</p>
  
  <pre><code>&lt;textarea class='ckeditor' id='simple_editor' name='simple_editor'&gt;".$page_content."&lt;/textarea&gt;";
  
  &lt;script type="text/javascript"&gt;
   CKEDITOR.replace( 'simple_editor',
   { 
    height: '110px',
    toolbar :
    [
     ['Link','Unlink'],
     ['Styles','Format','Font','FontSize'],
     ['Bold','Italic','Underline','Strike'],
     ['TextColor','BGColor'],
     ['NumberedList','BulletedList','Outdent','Indent']
    ]
   }); 
  &lt;/script&gt;
  </code></pre>
  
  <p>After some googling I've seen people posting some solution which dosnt work.</p>
  
  <pre><code>if (CKEDITOR.instances['simple_editor']) { delete CKEDITOR.instances['simple_editor'] };
  if (CKEDITOR.instances['simple_editor']) { CKEDITOR.instances['simple_editor'].destroy(); }
  </code></pre>
  
  <p>Anyone know what to do? :S</p>