function druck_window(URI) {
	// left=" + (screen.availWidth-320) + ",top=" + (screen.availHeight-300) + ",
  F1 = window.open(URI,"bla","width=screen.availWidth,height=screen.availWidth,dependent=yes,status=no,toolbar=no,resizable=yes");
  F1.focus();
  F1.print();
  //F1.close();
}