/setgray{pop 1.0 setgray}bind def

/setcmykcolor{pop pop pop pop 1.0 setgray}bind def

/setcmykcolor{pop 1.0 exch sub setgray pop pop}bind def

/setcmykcolor{pop pop 1.0 exch sub setgray pop}bind def

/setcmykcolor{pop pop pop 1.0 exch sub setgray}bind def

/setcmykcolor{1.0 exch sub setgray pop pop pop}bind def

/sep save def userdict begin