browser = (((navigator.appName == "Netscape") && (parseInt (navigator.appVersion) >= 3 )) ||
             ((navigator.appName == "Microsoft Internet Explorer") && (parseInt (navigator.appVersion) >= 4)))

  if (browser)
    {
      normal = new MakeArray(25)
      over = new MakeArray(25)

      normal[3].src = "images/menu/aboutus.gif"
      normal[4].src = "images/menu/management.gif"
      normal[5].src = "images/menu/whygames.gif"
      normal[6].src = "images/menu/experience.gif"
      normal[7].src = "images/menu/careers.gif"
      normal[8].src = "images/menu/contactus.gif"

      over[3].src = "images/menu/aboutus-on.gif"
      over[4].src = "images/menu/management-on.gif"
      over[5].src = "images/menu/whygames-on.gif"
      over[6].src = "images/menu/experience-on.gif"
      over[7].src = "images/menu/careers-on.gif"
      over[8].src = "images/menu/contactus-on.gif"
    }

  function MakeArray(n)
    {
      this.length = n
      for (var i = 0; i<=n; i++)
        {
          this[i] = new Image()
        }
      return this
    }

  function msover(num)
    {
      if (browser)
        {
          document.images[num].src = over[num].src
        }
    }

  function msout(num)
    {
      if (browser)
        {
          document.images[num].src = normal[num].src
        }
    }