var ns = (navigator.appName == "Netscape") ? true : false
var ie = (navigator.appName == "Microsoft Internet Explorer") ? true : false

var xMax = screen.availWidth
var yMax = screen.availHeight


<!--  INTRO FUNCTIONS  -->

var enterOn = new Image
var enterOff = new Image
var hello = new Image
var enjoy = new Image
var blank = new Image

var intro_done = false

enterOn.src = "images/enter-on.gif"
enterOff.src = "images/enter-off.gif"
hello.src = "images/hello.gif"
enjoy.src = "images/enjoy.gif"
blank.src = "images/blank.gif"

function startIntro()
{
   setTimeout("showHello()",1200)
}

function showHello()
{
   document.bubble.src=hello.src
   setTimeout("hideHello()",3600)
}

function hideHello()
{
   document.bubble.src=blank.src
   setTimeout("showEnjoy()",1200)
}

function showEnjoy()
{
   document.bubble.src=enjoy.src
   showEnter()
}

function showEnter()
{
   intro_done = true
   document.enter.src=enterOff.src
}

function enterOver()
{
   if (intro_done)
   {
      document.enter.src=enterOn.src
   }
}

function enterOut()
{
   if (intro_done)
   {
      document.enter.src=enterOff.src
   }
}

function openMain()
{
   if (intro_done)
   {
      window.location = "site.html"
   }
}

<!--  MOVIE AND MURAL FUNCTIONS  -->

var movieWidth = 320
var movieHeight = 256
var movieXoffset = (xMax/2 - movieWidth) / 2
var movieYoffset = (yMax - movieHeight) / 2
var muralWidth = 790
var muralHeight = 146
var muralXoffset = (xMax - muralWidth) / 2
var muralYoffset = (3*yMax/2 - muralHeight) / 2

var movieWindow
var muralWindow

var window_closed_by = "user"
var current_frame

function openMovie(which)
{
   var atts = "width=" + movieWidth + ", height=" + movieHeight + ", "
   atts +=    "screenX=" + movieXoffset + ", screenY=" + movieYoffset + ", "
   atts +=    "left=" + movieXoffset + ", top=" + movieYoffset
   movieWindow = window.open("qtchk.html?" + which + "&" + movieXoffset + "&" + movieYoffset, "moviewin", atts)
}

function openMural(which)
{
   var atts = "width=" + muralWidth + ", height=" + muralHeight + ", "
   atts +=    "screenX=" + muralXoffset + ", screenY=" + muralYoffset + ", "
   atts +=    "left=" + muralXoffset + ", top=" + muralYoffset
   muralWindow = window.open("mural.html?" + which + "&" + muralXoffset + "&" + muralYoffset, "muralwin", atts)
}

function closeWindow()
{
   window_closed_by = "flash"
   if (movieWindow && !movieWindow.closed)
   {
      movieWindow.close()
   }
   if (muralWindow && !muralWindow.closed)
   {
      muralWindow.close()
   }
}

function whenWindowClosed()
{
   if (window_closed_by == "user")
   {
      if (navigator.appVersion.indexOf("Mac") == -1)
      {
         current_frame = document["mainMovie"].TCurrentFrame("_level0/")
         document["mainMovie"].GotoFrame(current_frame - 10)
      }
   }
   window_closed_by = "user"
}