function terms($eid, $ltr)
....
$sql = "SELECT tid, title FROM ".$prefix."_encyclopedia_text WHERE UPPER(title) LIKE '$ltr%' AND eid='$eid' ORDER BY title";
echo "<center><a href=\"".getlink("$module_name&op=terms&eid=$eid")."\">[ Alle ]</a><br /><br /></td></tr></table></center><br />";
if (ereg("[^a-zA-Z]",$ltr)) {
die('Invalid letter specified!');
if (ereg("[^a-zA-Z0-9]",$ltr)) {
die('Invalid letter specified!');
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