function right (e)  {
var msg = " All rights reserved  JulyVell Siberians";
if (navigator.appName == 'Netscape'  && e.which == 3)  {
alert (msg);  // Delete this line to disable but not alert user;
}
else
if (navigator.appName == 'Microsoft Internet Explorer' && event.button==2)  {
alert (msg); // Delete this line to disable but not alert user;
}
return true;
}
document.onmousedown = right;