 
       kill_href = (ev = window.event) ->
         a.href = 'javascript:void(0)'
+        return
 
       restore_href = (ev = window.event) ->
         a.href = href
+        return
 
       Event.observe a, name, restore_href for name in ['mouseout', 'mouseover', 'focus', 'blur']
 
       Event.observe a, 'mousedown', (ev = window.event) ->
         if Event.isMiddleClick(ev)
           middlebutton = true
+        return
 
       Event.observe a, 'blur', (ev = window.event) ->
         middlebutton = false
+        return
 
       Event.observe a, 'mouseup', (ev = window.event) ->
         if Event.isMiddleClick(ev) && middlebutton

        Event.observe a, 'click', (ev = window.event) ->
          @href = uri
          true

              Middle clicking on this link is disabled to keep the browser from sending a referrer.
              '''
            restore_href()
            return
          ), 500
        return

      body = """
          <html>
