In addition to the salaries to each of the Circuit Judges of the Tenth Judicial Circuit of the state, there shall be paid to each of the judges a supplement salary in the sum equal to 40 percent of the salary paid each of the judges by the State of Alabama. The supplement salary shall be paid out of the general fund of the county in equal installments at the same time and in the same manner that the salary of other county employees are paid.
Ala. Code § 45-37-80.01 (1975)