public function login($name, $pass)
    {
		global $mysql;

        $name = @mysqli_real_escape_string($mysql->db_link_auth, stripslashes($name));
        $pass = @mysqli_real_escape_string($mysql->db_link_auth, stripslashes($pass));

		$checkexist = mysqli_query($mysql->db_link_auth, "SELECT * FROM account WHERE username = '".$name."'");
		$checkexist = mysqli_num_rows($checkexist);

		if ($checkexist == '0')
		{
			return 'Account doesn\'t exist' . false . exit();
		}

		else if ($checkexist == '1');
		{
	        $sha_pass = sha1(strtoupper($name).":".strtoupper($pass));

	        $accountsql = mysqli_query($mysql->db_link_auth, "SELECT id, username FROM account WHERE username = '".$name."' AND sha_pass_hash = '".$sha_pass."'");
			$accountarr = mysqli_fetch_assoc($accountsql);
			$accountid = $accountarr['id'];

	        $gmlevelsql = mysqli_query($mysql->db_link_auth, "SELECT gmlevel FROM account_access WHERE id = '".$accountid."' AND RealmID = '1'");
			unset ($accountarr, $accountid);

	        if(!$accountsql)
	        {
	            echo 'Error in SQL code ' . mysqli_error($mysql->db_link_auth);
				exit;
	        }

	        else if (!$gmlevelsql)
	        {
	            echo 'Error in SQL code ' . mysqli_error($mysql->db_link_auth);
				exit;
	        }

	        else if ($accountsql and $gmlevelsql)
	        {
				$checklog = mysqli_num_rows($accountsql);
				// account doesn't exist - end
				if ($checklog == '0')
				{
					header("location:index.php?bad_log");
				}
				// account extist - continue
				else if ($checklog == '1')
				{

					$accountarr = mysqli_fetch_array($accountsql);
		            $gmlevelarr = mysqli_fetch_array($gmlevelsql);

					$checkgm = mysqli_num_rows($gmlevelsql);

					if ($checkgm == '0')
					{
						return 'You\'re not GameMaster!' . false . exit();
					}

					else if ($checkgm > '1')
					{
						@session_start();

				        $_SESSION["Username"] = $accountarr["username"];
				        $_SESSION["ID"] = $accountarr["id"];
				        $_SESSION["GMLevel"] = $gmlevelarr["gmlevel"];
						$_SESSION["Logged"] = true;
				        header("location:in/index.php");
					}
				}
	        }
	    }
	}