function openWin(URL, winName, dimensions) {
  if (window.Fenster && !Fenster.closed) {
    Fenster.focus();
	return true; }
  Fenster = window.open(URL, winName, dimensions+",left=50, top=50, toolbar=yes, scrollbars=yes, resizable=no, menubar=no");
  } 
  
function printDocument(){
	window.print();
	}