function starter()
	{
		setTopicLayer();
		var aktiv = window.setInterval("setTopicLayer()",1000);
	}


function setTopicLayer()
	{
		wert =	document.body.offsetHeight;
		wert = wert - 200;
		if(wert < 350){
			wert = 351;
		}
		wert = wert +'px';
		document.getElementById('content').style.height = wert;
	}