function popup (url) {
 fenster = window.open(url, "Popupfenster", "scrollbars=yes,width=640,height=480,resizable=yes");
 fenster.focus();
 return false;
}

function aeltere (url) {
 fenster = window.open(url, "Popupfenster", "scrollbars=yes,width=800,height=1000px,resizable=yes");
 fenster.focus();
 return false;
}

function kommentar (url) {
 fenster = window.open(url, "Popupfenster", "scrollbars=yes,width=640,height=480,resizable=yes");
 fenster.focus();
 return false;
}

function poll (url) {
 fenster = window.open(url, "Popupfenster", "scrollbars=yes,width=800,height=800,resizable=yes");
 fenster.focus();
 return false;
}