
<!-- NN -->

if (document.layers) window.captureEvents(Event.MOUSEDOWN);
if (document.layers) window.captureEvents(Event.KEYDOWN);
if (document.layers) window.captureEvents(Event.DRAGSTART);

window.onmousedown=click_nn;
window.onkeydown=press_nn;

function click_nn(e) {
   if ( e.which == 2 || e.which == 3 )
      {
      bye();
      return false;
      } ;
   return true;
   }

function press_nn( event ){
   }


<!-- IE -->

document.onmousedown=click_ie;
document.onkeydown=press_ie;
document.ondragstart=move_ie;

function click_ie() {
   if (event.button == 2 || event.button == 3)
      {
      bye();
      return false;
      } ;
   return true;
   }

function press_ie() {
   if ( window.event.keyCode == 93 || window.event.keyCode == 27 )
      {
      bye();
      return false;
      } ;
   return true;
   }


function move_ie(){
   bye();
   return false;
   }


<!-- ALGEMEEN -->

function bye () {
   hide();
   alert ( '© Auteursrechtelijk beschermd' );
   }


<!-- DUMMYS, maar deze kunnen elders opnieuw gedefinieerd worden -->

function show(){
   return false;
   }


function hide(){
   return false;
   }