var scroller_netscape = new Boolean();
 if (navigator.appName == "Netscape")  scroller_netscape= true;

 function processKey(key)
 {
  if (key == 37)
   {
    if(typeof scroll_key_left!="undefined") location.href = scroll_key_left;
   
   }
   else if (key == 39)
   {
    if(typeof  scroll_key_right!="undefined") location.href = scroll_key_right;
   }
 }

 function keyPressed(keyEvent)
 {
   if (scroller_netscape) {
     theTypeOf=keyEvent.target.type;
     if(theTypeOf!="text" &&theTypeOf!="textarea")processKey(keyEvent.which);
     return true;
   }
 }
 document.onkeydown = keyPressed;