Find Nth Highest Record from Database Table

For particular example of employee :

How to get 1st, 2nd, 3rd, 4th, nth topmost salary from an Employee table

The following solution is for getting 6th highest salary from Employee table ,
SELECT TOP 1 salary
FROM (
SELECT DISTINCT TOP 6 salary
FROM employee
ORDER BY salary DESC) a
ORDER BY salary
You can change and use it for getting nth highest salary from Employee table as follows
SELECT TOP 1 salary
FROM (
SELECT DISTINCT TOP n salary
FROM employee
ORDER BY salary DESC) a
ORDER BY salary
where n > 1 (n is always greater than one)