class Database 
{
	private static $instance;
	private $dbName     = "mcms";
	private $host       = "localhost";
	private $username   = "moroch";
	private $password   = "w1d33y3";
	private $connected;
 
	public function __construct()
	{
	}
 
	public static function getInstance()
	{
		if (!self::$instance)
		{
			self::$instance = new Database();
		}
 
		return self::$instance;
	}
 
	public function connect()
	{
		try
		{
			$this->connected = mysql_connect($this->host,$this->username,$this->password);
			if (!$this->connected)
				throw new Exception("Could not connect to MySql server.");
		}
		catch (Exception $e)
		{
			die($e->getMessage());
		}
	}
 
	public function selectDB()
	{
		mysql_select_db($this->dbName);
	}
 
	public function execute($sql)
	{
		return mysql_query($sql);
	}
}