var speed = 300
var pause = 3500
var timerID = null
var NewsRunning = false
var MessageArray = new Array()

MessageArray[0]="+ Bauen Planen Finanzieren +";
MessageArray[1]="+ Bauen braucht Vertrauen +";
MessageArray[2]="+ Bauen braucht Qualität +";

var currentMessage = 0
var offset = 0
function stopNews() {
        if (NewsRunning)
                clearTimeout(timerID)

        NewsRunning = false
}
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
        }
}