The bulk of the job cuts in the mayor's $7.2-billion blueprint would affect civilian employees at the LAPD. Some officials quickly vowed to oppose any layoffs, saying city employees have repeatedly made sacrifices to solve the multi-year budget crisis.Setting the stage for a battle with city employees and fellow elected officials, Los Angeles Mayor Antonio Villaraigosa called Friday for the elimination of 669 city jobs — 231 through layoffs — even as he also sought to add police officers and restore some Fire Department services.