// ----- toogle picture ----------
    function changePic(picSrc)
    { document.images['bigPic'].src = picSrc; }

    // ----- popup -------------------
    // AUFRUF: <a href=javascript:newin('..path/file.pop.php',430,460,'yes');>linktext</a>
    function newin(url,itsWidth,itsHeight,itsScroll)   // default: [b/h]=[350/400]
    {
      popup=window.open
      (
        url,"popup",
        "top=50,left=20,width="+itsWidth+",height="+itsHeight+",resizable=yes,scrollbars=yes,titlebar=no,menubar=no,toolbar=no,location=no,personalbar=no,status=no,dependent=yes"
      )
      popup.focus();
    }