function ShowErr(e)
{
   var message="Right click has been disabled to prevent copying of content and images.";
   if (navigator.appName=="Microsoft Internet Explorer")
   {
     if((event.button==2)||(event.button==3))
      {
        alert(message);
	return false;
      }  
   }
   else
    {
     if(e.which==3)
	{
        alert(message);
	return false;
	}
    }
}
if (navigator.appName!="Microsoft Internet Explorer")
{
document.captureEvents(Event.MOUSEDOWN);
}
document.onmousedown = ShowErr;