$rs = mysql_query("SELECT * FROM `equipas` ORDER BY team_name");
$rs1 = mysql_query("SELECT * FROM `equipas` ORDER BY team_name");
while ($rec = mysql_fetch_assoc($rs1)) {
    if ($initial1 !== strtoupper(substr($rec['team_name'], 0, 1)) ) {
        $initial1 = strtoupper(substr($rec['team_name'], 0, 1));
        echo "<a href=\"#".$initial1."\">" . $initial1 . "</a> ";
    }
}

echo "<br><br>";
while ($rec = mysql_fetch_assoc($rs)) {
    if ($initial !== strtoupper(substr($rec['team_name'], 0, 1)) ) {
        $initial = strtoupper(substr($rec['team_name'], 0, 1));
        echo "<br>" . "<a name=\"".$initial."\">" . $initial . "</a>" . "<br><br>";
    }
    echo "<img src=\"http://fraglider.pt/imagensup/".$rec['team_logo']."\"> " . $rec['team_name'] . "<br>";
}