// JavaScript Document
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;