public function new_account($username,$email,$confirm_email,$password,$invite_code)
	{
		$form=array('username' => array(0 => trim($username),
							 1 => array(0 => 5,
										1 => 1),
							 2 => 3,
							 3 => 25),
			'email' => array(0 => trim($email),
							 1 => array(0 => 5,
										1 => 3),
							 2 => 0,
							 3 => 100,
							 4 => 'confirm_email'),
			'password' => array(0 => $password,
							 1 => array(0 => 5,
										1 => 1),
							 2 => 4,
							 3 => 32,
							 4 => 'password'),
			'confirm_email' => array(0 => $confirm_email,
							 1 => array(0 => 5,
										1 => 3),
							 2 => 0,
							 3 => 100),
			'invite_code' => array(0 => $invite_code,
							 1 => array(0 => 5,
										1 => 1),
							 2 => 32,
							 3 => 32));

		$validator=new form_validator();
		if(!$validator->validate($form)) return false; // validate the form data

		if(!invitationsMysql::code_exists($invite_code)) //verify if invite code is valid
		{
			output::setError('The invitation code is invalid.');
			return false;
		}

		if(usersMysql::user_exists($username,$email)) //checks wether user exists
		{
			output::setError('There is an existing account associated with this email or username.');
			return false;
		}
		//user information
		$this->username=$username;
		$this->email=$email;
		$this->password=md5($password);
		$this->reg_date=date("m/d/Y h:i A");
		$this->active=0;
		$this->code=$invite_code;
		$this->credits=cons('default_credits');
		$this->avatar=cons('default_avatar');
		$this->watching=0;
		$this->requests=0;
		$this->filled=0;
		$this->rank=rank(0);
		$id=$this->new_user(); //getting the id of the new account

		$invitation=new invitationsMysql;
		$invitation->user_id=$id;
		for($i=1; $i<=cons('default_invitations'); $i++) $invitation->new_code($this->generate_code());

		$activation=new activationMysql;
		$activation->date=date("m/d/Y h:i A");
		$activation->author_id=$id;
		$code=$this->generate_code();
		$activation->new_code($code); // insert the activation code into the database

		invitationsMysql::delete_code($invite_code); // delete the invitation code if everything works well

		output::setConfirm('Your account was created. An activation code was sent to your e-mail. You must activate your account within 24 hours.');
		mail_send($this->email,'Trackbeast - New account','Welcome to Trackbeast'."\r\n".
																  'Activation code: '.$code."\r\n".
																  'Copy the code above and click here '.cons('server').'index.php?do=activation to activate your account.');

		return true;
	}