<!--
var netscape4 = false;
var appVer = navigator.appVersion;

if (navigator.appName == "Netscape"  &&
   appVer.charAt(0) == "4")
{
   netscape4 = true;
}

if (document.images)
{
  // pre-cache rollover images
  var home_off = new Image(285,30)
  home_off.src = "graphics/buttons/btn_home_off.jpg"
  var home_over = new Image(285,30)
  home_over.src = "graphics/buttons/btn_home_over.jpg" 

  var books_off = new Image(285,30)
  books_off.src = "graphics/buttons/btn_books_off.jpg"
  var books_over = new Image(285,30)
  books_over.src = "graphics/buttons/btn_books_over.jpg" 

  var road_off = new Image(285,26)
  road_off.src = "graphics/buttons/btn_road_off.jpg"
  var road_over = new Image(285,26)
  road_over.src = "graphics/buttons/btn_road_over.jpg"
  
  var site_off = new Image(285,45)
  site_off.src = "graphics/buttons/btn_site_off.jpg"
  var site_over = new Image(285,45)
  site_over.src = "graphics/buttons/btn_site_over.jpg"  

  var comment_off = new Image(285,30)
  comment_off.src = "graphics/buttons/btn_comment_off.jpg"
  var comment_over = new Image(285,30)
  comment_over.src = "graphics/buttons/btn_comment_over.jpg" 

  var order_off = new Image(285,30)
  order_off.src = "graphics/buttons/btn_order_off.jpg"
  var order_over = new Image(285,30)
  order_over.src = "graphics/buttons/btn_order_over.jpg" 

  var about_off = new Image(285,30)
  about_off.src = "graphics/buttons/btn_about_off.jpg"
  var about_over = new Image(285,30)
  about_over.src = "graphics/buttons/btn_about_over.jpg" 

  var contact_off = new Image(285,30)
  contact_off.src = "graphics/buttons/btn_contact_off.jpg"
  var contact_over = new Image(285,30)
  contact_over.src = "graphics/buttons/btn_contact_over.jpg" 
}

// swap images
function di(id,name)
{
  if (document.images)
    document.images[id].src=eval(name+".src");
}


var popWin = null;
var popHeight = 400;
var openString;

var availHeight;
availHeight = Math.round(screen.availHeight * 0.75);
if (availHeight > popHeight)
  popHeight = availHeight;

openString = "scrollbars=yes,resizable=yes,toolbar=no,menubar=yes,location=no,width=530,height=" + popHeight.toString() + ",top=40,left=40";

function popup(url)
{
  if (popWin != null && !popWin.closed)
    popWin.location = url;
  else
    popWin = window.open(url, "NewWin", openString);
}

// -->