function close_window() {
    window.close();
}

function drucken() {
    window.print();
}

function player(pfad) {
   newwin = window.open(pfad,'Player','toolbar=0,menubar=0,location=0,status=0,scrollbars=0,resizable=1,width=300,height=200,top=200,left=200'); 
   setTimeout('newwin.focus();',200); 
}