// Common JavaScript functions and variables

// Variables
var bName    = navigator.appName;
var bVersion = parseInt(navigator.appVersion);
var NS4      = (bName == "Netscape" && bVersion >= 4);
var IE4      = (bName == "Microsoft Internet Explorer" && bVersion >= 4);

function popwindow(popurl,popname,extra) {
  if (extra != "") extra = ","+extra;
  mypop =
window.open(popurl,popname,"width=720,height=550,menubar=no,resizeable=YES,toolbar=no,status=no,directories=no,location=no"+extra);
  mypop.focus();
}

function popwindow_tour(popurl,popname,extra) {
  if (extra != "") extra = ","+extra;
  mypop = window.open(popurl,popname,"width=820,height=500,menubar=no,resizeable=yes,toolbar=no,status=no,directories=no,location=no"+extra);
  mypop.focus();
}