if (window.Event)
  document.captureEvents(Event.MOUSEUP);

function nocontextmenu()
{
 event.cancelBubble = true
 event.returnValue = false;
  return false;
}

function norightclick(e)
{
 if (window.Event)
 {
  if (e.which == 2 || e.which == 3)
   return false;
 }
 else
  if (event.button == 2 || event.button == 3)
  {
   event.cancelBubble = true
   event.returnValue = false;
   return false;
  }
 }
 document.oncontextmenu = nocontextmenu;
document.onmousedown = norightclick;

function disableselect(e){
	return false
}

function reEnable(){
	return true
}

document.onselectstart=new Function ("return false")
if (window.sidebar){
document.onmousedown=disableselect
document.onclick=reEnable
}