By Phil Kabler Employees in Division of Motor Vehicles regional offices in Charleston and Martinsburg will soon receive extra pay for working evenings and Saturdays - as soon as the state's wvOasis computer can be programmed to accommodate the change, a DMV spokeswoman said Monday. Natalie Holcomb said testing is underway to make sure the payroll portion of wvOasis is programmed to correctly apply the shift differential pay for some 50 employees at the two regional offices.