function popup(folder, bestand, width, height) { var vergroting = window.open('', 'Popup', 'height='+height+', width='+width+', left=100, top=100, toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no'); vergroting.document.open(); vergroting.document.write(""); vergroting.document.write(" "); vergroting.document.write(" Vergroting..."); vergroting.document.write(" "); vergroting.document.write(""); vergroting.document.write(""); vergroting.document.write(""); vergroting.document.write(""); vergroting.document.write(""); vergroting.document.close(); vergroting.focus(); }