var speed = 100
var pause = 4000
var timerID = null
var NewsRunning = false
var MessageArray = new Array()


MessageArray[0]="Besuchen Sie uns auf der GrindTec in Augsburg 17.-20.03.2010";

var currentMessage = 0
var offset = 0

function stopNews() {
        if (NewsRunning)
                clearTimeout(timerID)

        NewsRunning = false
}

// start the News

function startNews() {
        stopNews()
        showNews()
}


function showNews() {
        var text = MessageArray[currentMessage]
        if (offset < text.length) {
                if (text.charAt(offset) == " ")
                        offset++                        
                var partialMessage = text.substring(0, offset + 1)+"_"
                document.NewsForm.NewsField.value = partialMessage
                offset++
                timerID = setTimeout("showNews()", speed)
		NewsRunning = true
        } else {
                offset = 0
                currentMessage++
                if (currentMessage == MessageArray.length)
                        currentMessage = 0
                timerID = setTimeout("showNews()", pause)
		NewsRunning = true
        }
}