title: jquery event listen on position changed
body: <p>I need to listen to an elements relative position. This is particular useful for dynamic layouting issues. There is no option to listen for CSS styles of even position() or offset() attributes.</p>
  
  <p><strong>Why:</strong>
  The relative position can change if a sibling change its dimension inside dialogs or forms (re-layout). So for interactive forms this can help to use i.e. the maximum available height or width of the parent or something like that.</p>