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;