MILWAUKEE (AP) -- A staffer who worked for Gov. Scott Walker when Walker was the Milwaukee County executive has pleaded guilty to two charges of posting pro-Walker messages online on county time.

Darlene Wink of Cudahy was charged with two misdemeanor counts of political solicitation by a public employee. The charges carry a maximum combined penalty of one year in prison and a $2,000 fine.

The 61-year-old Wink reached a plea agreement Tuesday, under which prosecutors agreed to recommend only a fine. She will be sentenced May 15.

Defense attorney Peter Wolff says Wink has agreed to cooperate with prosecutors in related investigations involving people near Walker.

Wink resigned in May 2010 after admitting to posting anonymous pro-Walker comments on websites and blogs.