function create_ta_db($ta)
{
    $con = connectToDB();
    $last_id = 0;
    $classId = $ta->classId;
    $name = mysql_real_escape_string($ta->name);
    $email = mysql_real_escape_string($ta->email);
    $password = md5($ta->password);
    $active = 1;
    $admin = 0;
    $info = mysql_real_escape_string($ta->info);
    $picture = mysql_real_escape_string($ta->picture);
    $rtn = 0;
    if ($con) {
        $sql = "INSERT INTO `techcsondemand`.`TaCollection` (`name`, `email`, `password`, `info`, `picture`) " . "VALUES ('{$name}', '{$email}', '{$password}', '{$info}', '{$picture}');";
        if (desql($sql)) {
            $last_id = mysql_insert_id();
            if ($classId) {
                for ($i = 0; $i < count($classId); $i++) {
                    update_ta_add_class_db($last_id, $classId[$i]);
                }
                $rtn = new OdTA($last_id, $classId, $name, $email, $password, $active, $admin, $info, $picture);
            } else {
                $rtn = new OdTA($last_id, array(), $name, $email, $password, $active, $admin, $info, $picture);
            }
        }
    }
    if ($con) {
        breakCon($con);
    }
    return $rtn;
}
 function addClass($newClassId)
 {
     $this->classId[] = $newClassId;
     $con = connectToDB();
     update_ta_add_class_db($this->id, $newClassId);
     breakCon($con);
 }