title: umbraco tiny MCE 3 internet explorer insert link error
body: <p>I have an instalation of Umbraco 4.0.2.1. In internet explorer (6 / 7) i get an error when trying to insert a link using the tiny MCE rich text editor. basicaly what happens is i can choose the node in the site i want to link to but when i click insert it reloads but the tiny MCE popup does not dissapear  and i get the following page error.</p>
  
  <pre><code>Line: 368
  Char: 9
  Error: 'the Form._SCROLLPOSITIONX.value' is null or not an object
  code: 0
  URL: "mydev server"/umbraco/plugins/tinymce3/insertLink.aspx
  </code></pre>
  
  <p>I dont get this problem in Firefox and i have other instalations of umbraco 4.0.2.1 in which this error does not occur. I have tried using WinMerge to comparing the code of the two instalations and they seem identical in all the places i can think would have an effect on tinyMCE ("bin", "umbraco_client\tinymce3", "umbraco\plugins\tinymce3")</p>
  
  <p>I am pulling my hair out over this and any help would be very much appreciated.</p>