function right(e) {
if (navigator.appName == 'Netscape' && 
(e.which == 3 || e.which == 2))
{
alert("©Copyright 2001, Web Developer for ENBER.");
return false;
}
else if (navigator.appName == 'Microsoft Internet Explorer' && 
(event.button == 2 || event.button == 3)) {
alert("       © Copyright 2001 \n Web Developer for ENBER.");
return false;
}
return true;
}

document.onmousedown=right;
if (document.layers) window.captureEvents(Event.MOUSEDOWN);
window.onmousedown=right;



var brVer = parseInt(navigator.appVersion);
var agt=navigator.userAgent.toLowerCase();
var isNav  = ( (agt.indexOf('mozilla') != -1) && (agt.indexOf('spoofer') == -1) && (agt.indexOf('compatible') == -1) &&
               (agt.indexOf('opera') == -1) && (agt.indexOf('webtv') == -1) );
var isNav4up = (isNav && (brVer >= 4));
var isIe   = (agt.indexOf("msie") != -1);
var isIe4up = (isIe && (brVer >= 4));

function nokeys(e){
   if (document.layers || isNav4up){     // ***** Netscape
           return false;
   }

   if (document.all || isIe4up){        // ***** MSIE
      return false;
   }

}

if (document.layers || isNav4up){     // ***** Netscape
   document.captureEvents(Event.MOUSEDOWN | Event.KEYPRESS);
   document.onkeypress=nokeys;
}

if (document.all || isIe4up){        // ***** MSIE
   document.onkeydown=nokeys;
}