var speed = 50 // decrease value to increase speed (must be positive)
var pause = 2000 // increase value to increase pause
var timerID = null
var bannerRunning = false
var ar = new Array()
ar[0] = "Welcome to Tollgate JMI School web site                                                "
ar[1] = "Please check out all pages                                                     "
ar[2] = "Mail us a message                                                              "
ar[3] = "Thanks to Doug Popeney - dpopeney@polymail.calpoly.edu - for JavaScripts          "
ar[4] = "Use Internet Explorer 4.0 for best results"

var currentMessage = 0
var offset = 0
function stopBanner() {
        if (bannerRunning)
                clearTimeout(timerID)
        bannerRunning = false
}
function startBanner() {
        stopBanner()
        showBanner()
}
function showBanner() {
        var text = ar[currentMessage]
        if (offset < text.length) {
                if (text.charAt(offset) == " ")
                        offset++                        
                var partialMessage = text.substring(0, offset + 1) 
                window.status = partialMessage
                offset++ 
                timerID = setTimeout("showBanner()", speed)
                bannerRunning = true
        } else {
                offset = 0
                currentMessage++
                if (currentMessage == ar.length)
                        currentMessage = 0
                timerID = setTimeout("showBanner()", pause)
                bannerRunning = true
        }
}