check process webtry with pidfile /var/run/webtry.pid
   start program = "/etc/init.d/webtry start"
   stop program = "/etc/init.d/webtry stop"

check process squid3 with pidfile /var/run/squid3.pid
   start program = "/etc/init.d/squid3 start"
   stop program = "/etc/init.d/squid3 stop"