title: jQuery: how to add class to all divs on page except current one
body: <p>is there a way I can add remove the same class from all DIVs on a page - except for the one I am currently on (clicked on) ?</p>
  
  <p>Background: 
  All DIVs on my page have the class "editable" which on click makes the corresponding div editable and shows an inline editor for it. 
  While someone is editing a div I want to block all other divs for editing on this page to avoid that multiple editors are opened at the same time. </p>
  
  <p>Can anyone help me with this ?
  Thanks, Tim.</p>