hey,
so müßte es funktionieren:
echo "<script>";
echo "function openWindow(url)";
echo "{";
echo "if (!popFenster.closed){";
echo "popFenster.location.href = url;";
echo "} else {";
echo "popFenster = window.open (url, 'popup', '...');";
echo "}";
echo "}";
echo "popFenster.focus();";
echo "}";
echo "</script>";
echo("<a href="#" onClick="javascript:openWindow('popup.php?&listcnrs=$listcnrs')>Open link</a>");
mfg,
kühni.