function drucken() {
	var inhalt_body = document.getElementById("content_body").innerHTML;
	var inhalt_div = document.getElementById("content_container").innerHTML;
	alert('Bitte stellen Sie den Drucker auf Querformat.');
	document.getElementById("content_body").innerHTML = inhalt_div;
	print();
	document.getElementById("content_body").innerHTML = inhalt_body;
}