// Funktionen definieren

function Ticker(name, id, shiftBy, interval)
{
	this.name     = name;
	this.id       = id;
	this.shiftBy  = shiftBy ? shiftBy : 1;
	this.interval = interval ? interval : 100;
	this.runId	= null;
	this.div = document.getElementById(id);

	var node = this.div.firstChild;
	var next;

	while (node)
	{
		next = node.nextSibling;
		if (node.nodeType == 3)
		this.div.removeChild(node);
		node = next;
	}

	this.left = 0;
	this.shiftLeftAt = this.div.firstChild.offsetWidth;
	this.div.style.height	= this.div.firstChild.offsetHeight;
	this.div.style.width = 2 * screen.availWidth;
	this.div.style.visibility = 'visible';
}
   
function startTicker()
{
	this.stop();

	this.left -= this.shiftBy;

	if (this.left <= -this.shiftLeftAt)
	{
		this.left = 0;
		this.div.appendChild(this.div.firstChild);

		this.shiftLeftAt = this.div.firstChild.offsetWidth;
	}

	this.div.style.left = (this.left + 'px');

	this.runId = setTimeout(this.name + '.start()', this.interval);
}

function stopTicker()
{
	if (this.runId)
		clearTimeout(this.runId);

	this.runId = null;
}

function changeTickerInterval(newinterval)
{
	if (typeof(newinterval) == 'string')
		newinterval =  parseInt('0' + newinterval, 10); 

	if (typeof(newinterval) == 'number' && newinterval > 0)
		this.interval = newinterval;

	this.stop();
	this.start();
}

// Prototypen basteln

Ticker.prototype.start = startTicker;
Ticker.prototype.stop = stopTicker;
Ticker.prototype.changeInterval = changeTickerInterval;

// Ticker-Inhalte zusammenbasteln

var textcontent;

textcontent="";

for(i = 0;; i++)
{
	if (news[i]==null) {break;}

	textcontent += "<span class='ticker_txt'>&nbsp;&nbsp;"+news[i]+"<span class='ticker_filler'>&nbsp;&nbsp;"+ticker_filler+"</span></span>"
}	

m=textcontent;

var ticker = null; /* ticker object */
function init()
{
	ticker = new Ticker('ticker', 'tickerID', ticker_shiftby, ticker_shiftat);
	ticker.start();
}