function fensterauf(test, hei, wid)
 {
 var widnew = (wid * 1.2);
 var heinew = (hei * 1.2);
 var win = window.open("", "_blank", "width=640,height=480,toolbars=1,menubar=0,locationbar=1");
 win.document.write("<html><body><center><table border=0 height=100%><tr><td height=100% valign=center><a href='javascript:window.close()'><img src='"+test+"' border=0 alt=schließen></a></td></tr></table></center></body></html>");
 win.document.close(); }
