$q = strtolower($_GET["q"]);
$q= mysql_real_escape_string($q);
if (!$q) return;

$sql = ("SELECT headings FROM dictionary WHERE headings LIKE '$q%' LIMIT 3");
$rsd = mysql_query($sql);
while($rs = mysql_fetch_array($rsd)) {
    $auto = $rs['headings'];
    echo "$auton";

}
if (mysql_num_rows(mysql_query("SELECT headings FROM dictionary WHERE headings LIKE '$q%' LIMIT 3")) == 0){
    $res = mysql_query("SELECT spelling FROM spellcheck WHERE spelling LIKE '$s%' LIMIT 3");
        while($result = mysql_fetch_array($res)) {
            $spell = $result['spelling'];
            echo "$spelln";
        }
    }