title: jquery wysiwyg throws "Object doesn't support this property or method" on postback
body: <p>I have a textbox which i applied on it jq wysiwyg:</p>
  
  <pre><code>public static void PopulateWysiwyg(this SafeTextBox tb)
  {
      string script =
  @"
  jQuery(document).ready(function()
  {
      jQuery('#safe_text_box').wysiwyg();
  });
  ";
  
      ScriptManager.RegisterStartupScript(
          tb,
          tb.GetType(), 
          tb.ClientID + "_wysiwyg", 
          script.Replace("safe_text_box", tb.ClientID), true
      );
  }
  </code></pre>
  
  <p>When I click a postback button on the form, the wysiwyg js throws an exception:
  <img src="https://farm4.static.flickr.com/3558/3762255039_d462d7665e_o.jpg" alt="java script exception"></p>
  
  <p>Any help?</p>