title: How can I display a free floating panel for an input form using PopupControlExtender?
body: <p>I'm currently playing around with the PopupControlExtender in the ajaxToolkit and can't quite get the functionality I want.</p>
  
  <p>I'm trying to display a free floating "help" panel for an input form.</p>
  
  <p>Once the user presses the help button on the form the panel pops up and displays no problem however once I click back on the main form it dissappears again.</p>
  
  <p>I understand this good behaviour for most applications but I'd like to get the popped up panel to stay on screen until explictly closed (via a close button within the panel itself).</p>
  
  <p>Is this possible and if so how?</p>