// (C) 2004 CodeLifter.com
function nrcIE(){
   if (document.all){return false;
   }
}

function nrcNS(e){
   if(document.layers||(document.getElementById&&!document.all)){ 
     if (e.which==2||e.which==3){
       return false;
     }
   }
} 

if (document.layers){
   document.captureEvents(Event.MOUSEDOWN);
   document.onmousedown=nrcNS;
} else {
	document.onmouseup=nrcNS;document.oncontextmenu=nrcIE;
  }
document.oncontextmenu=new Function("return false");

if (document.all)

onmousedown=new Function("if (event.button==2||event.button==3)alert('The right mouse button has been disabled')")

//-->