var app = navigator.appName.charAt(0);
var ver = navigator.appVersion.charAt(0);

function newWin1(uri){
 if ( (app == "N" && ver > 2) || (app == "M" && ver > 3) ) {
  var PW1;
 PW1 = window.open(uri,"pop","toolbar=no,location=no,directories=no,status=yes,scrollbars=yes,resizable=yes,width=800,height=850");
 PW1.focus();
 return false;
 } else {
  return true;
 }
}

function newWin2(uri){
 if ( (app == "N" && ver > 2) || (app == "M" && ver > 3) ) {
  var PW1;
 PW1 = window.open(uri,"pop","toolbar=no,location=no,directories=no,status=yes,scrollbars=yes,resizable=yes,width=800,height=560");
 PW1.focus();
 return false;
 } else {
  return true;
 }
}

function newWin3(uri){
 if ( (app == "N" && ver > 2) || (app == "M" && ver > 3) ) {
  var PW1;
 PW1 = window.open(uri,"pop","toolbar=no,location=no,directories=no,status=yes,scrollbars=yes,resizable=yes,width=800,height=880");
 PW1.focus();
 return false;
 } else {
  return true;
 }
}