function openPopup(img, desc, width, height) {
if (img && width && height) {
this.width = width;
this.height = height;
var popUp = window.open( "" ,"","toolbar=no,location=no,directories=no, status=no,scrollbars=no,resizable=no, copyhistory=no,width=" + width + ",height=" + height);
with (popUp) {
document.open();
document.write("Zusatzinformation\n");
document.write("\n");
document.write("");
document.write('\n')
document.write(''+img+'
\n')
document.write(''+desc+'
\n')
document.write('[ Seite schließen ]\n')
document.close();
}
}
}