//var hide_empty_list=true; //uncomment this line to hide empty selection lists

var disable_empty_list=true; //uncomment this line to disable empty selection lists

addListGroup("czastki", "cs-top");

addList("cs-top", "Metall", "Metall", "cs-sub-1");
addOption("cs-sub-1", "VT-20", "VT-20");
addOption("cs-sub-1", "VT-10", "VT-10");
addOption("cs-sub-1", "VT-0", "VT-0");

addList("cs-top", "Spiral", "Spiral", "cs-sub-2");
addOption("cs-sub-2", "RT-20", "RT-20");
addOption("cs-sub-2", "RT-10", "RT-10");
addOption("cs-sub-2", "RT-0", "RT-0");
addOption("cs-sub-2", "verdeckt", "verdeckt");

addList("cs-top", "Plastkrampen", "Plastkrampen", "cs-sub-3");
addOption("cs-sub-3", "K235", "K235");
addOption("cs-sub-3", "K231", "K231");