php error แบบนี้ ต้อง แก้ตรงไหนอ่าคับ มือใหม่คับขอบคุณครับ

	public function __construct($sqlHost, $sqlUser, $sqlPassword, $sqlDatabase = FALSE) {
			$this->sqlHost = $sqlHost;
			$this->sqlUser = $root;
			$this->sqlPassword = 1234;
			$this->sqlDatabase = $sqlre;
		}

Warning: mysql_connect() [function.mysql-connect]: Access denied for user 'ODBC'@'localhost' (using password: YES) in C:\AppServ\www\upload\inc\libs\MySQL_connection.php on line 36

Warning: mysql_query(): supplied argument is not a valid MySQL-Link resource in C:\AppServ\www\upload\inc\libs\MySQL_connection.php on line 61
SQL Error: Access denied for user 'ODBC'@'localhost' (using password: YES):

Parse error: syntax error, unexpected T_LNUMBER, expecting T_VARIABLE or '$' in C:\AppServ\www\upload\inc\libs\MySQL_connection.php on line 23

class Database{
	
	public function connect($host, $username, $password, $db)
	{
		mysql_connect($host, $username, $password);
		mysql_select_db($db);
	}

}
class Connect{
	
	public function __construct()
	{
		$host = "localhost";
		$username = "root";
		$password = "";
		$db = "";

		$con = new database();
		$con->connect($host, $username, $password, $db);
	}

}