function getAppVersion() {
  appname= navigator.appName;
  appversion = navigator.appVersion;
  majorver = appversion.substring(0, 1);
  if ( (appname == "Netscape") && ( majorver >= 3 ) ) return 1;
  if ( (appname == "Microsoft Internet Explorer") && (majorver >= 4) ) return 1;
  return 0;
}

a1 = new Image(); a1.src="/img/guide/hover1.gif";
a2 = new Image(); a2.src="/img/guide/hover2.gif";
a3 = new Image(); a3.src="/img/guide/hover3.gif";
a4 = new Image(); a4.src="/img/guide/hover4.gif";
a5 = new Image(); a5.src="/img/guide/hover5.gif";
b = new Image(); b.src="/img/guide/empty.gif";

function swtch(i,img)
{
  if (getAppVersion()) {
	i.src=img.src;	}
}

function closeWin() {
  window.close();
  return false;
}