//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

// define a list group
addListGroup("shirts", "styles");

// and its top list
addOption("styles", "Select size", "", "", 1); //Empty starter option
addList("styles", "Adult Sweatshirt Small +9.45", "0", "");
addList("styles", "Adult Sweatshirt Medium +9.45", "1", "");
addList("styles", "Adult Sweatshirt Large +9.45", "2", "");
addList("styles", "Adult Sweatshirt X-Large +9.45", "3", "");
addList("styles", "Adult Sweatshirt XX-Large +12.45", "4", "");