TcosPreferences::read_checkbox(ck_blockactioninthishost) CHECKED
TcosConf::SetVar(blockactioninthishost)="1"
TcosConf::changing value 0 to 1 of blockactioninthishost
TcosPreferences::read_checkbox(ck_onlyshowtcos) CHECKED
TcosConf::SetVar(onlyshowtcos)="1"