messag = "Sorry! This function is disabled on this website.";

function NoRightClick(b) 
{
   if(document.all&&event.button == 2)
   {
   	alert(messag);            
	return false;
   }
   if((navigator.appName=="Netscape")&&(b.which == 3))
   {
   	alert(messag);            
	return false;
   }
   if (document.layers&&b.which == 3)
   {
   	alert(messag);            
	return false;
   }
}

if (document.layers) {
document.captureEvents(Event.MOUSEDOWN);
}
if (document.all){
document.onmousedown = NoRightClick;
}
else
{
	document.onclick=NoRightClick;
}