title: Migrated to .NET 4.0 however MicrosoftAjax.debug.js still says version 3.5
body: <p>Recently upgraded the entire project to .NET 4.0 but when I debug javascript (using FireBug or Developer tools for IE9) it says the javascript file MicrosoftAjax.debug.js is still version 3.5 - is this an issue?</p>
  
  <pre><code>// Name: MicrosoftAjax.debug.js 
  // Assembly: AjaxControlToolkit
  // Version: 3.5.40412.0
  // FileVersion: 3.5.40412.2
  // (c) 2010 CodePlex Foundation 
  </code></pre>