function foto(URL,breite,hoehe)
{
eigenschaften = "height=" + hoehe + ",width=" + breite;
fenster1=window.open(URL,'Infofenster',eigenschaften);
}

function formular(url) {
 fenster = window.open(url, "Popupfenster", "width=840, resizable=yes, scrollbars=yes");
 fenster.focus();
 return false;
}