Something

<?
function getAccounts(){
	$query = mysql_query("SELECT id, username FROM `account` ORDER BY username ASC");
	$return = '<select>';
	while($row = mysql_fetch_assoc($query)){
		$return.= '<option name="'.$row['id'].'">['.$row['id'].'] '.$row['username'].'</select>';
	}
	$return.= '</select>';
return $return;
}
?>