//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("brand", "lens-marker");

addOption("lens-marker", "Select a Brand", "-1", "", 1); //Empty starter option
addList("lens-marker", "AcuVue", "AcuVue", "AcuVue");
addList("lens-marker", "Ciba", "Ciba", "Ciba");
addList("lens-marker", "Bausch & Lomb", "Soflens", "Soflens");
addList("lens-marker", "Cooper Vision", "Proclear", "Proclear");

addOption("AcuVue", "Select contact lens type", "-1", "", 1); //Empty starter option
addOption("AcuVue", "AcuVue 2", "AcuVue 2");
addOption("AcuVue", "AcuVue Advance", "AcuVue Advance");
addOption("AcuVue", "AcuVue Bifocal", "AcuVue Bifocal");
addOption("AcuVue", "AcuVue 2 Colours", "AcuVue 2 Colours");

addOption("Ciba", "Select contact lens type", "-1", "", 1); //Empty starter option
addOption("Ciba", "Ciba 1-2 Week", "Ciba 1-2 Week");
addOption("Ciba", "Ciba Monthly", "Ciba Monthly");
addOption("Ciba", "Ciba Night & Day", "Ciba Night Day");
addOption("Ciba", "Ciba Toric", "Ciba Toric");
addOption("Ciba", "Ciba Toric", "Ciba Toric");
addOption("Ciba", "Fresh Look Colorblends", "Fresh Look Colorblends");
addOption("Ciba", "02 Optix", "02 Optix");


addOption("Soflens", "Select contact lens type", "-1", "", 1); //Empty starter option
addOption("Soflens", "Soflens 38 (2 week)", "Soflens 38 (2 week)");
addOption("Soflens", "Soflens 38 (monthly)", "Soflens 38 (monthly)");
addOption("Soflens", "Purevision", "Purevision");
addOption("Soflens", "Soflens Multifocal", "Soflens Multifocal");

addOption("Proclear", "Select contact lens type", "-1", "", 1); //Empty starter option
addOption("Proclear", "Proclear Multifocal", "Proclear Multifocal");
addOption("Proclear", "Frequency 55 Monthly", "Frequency 55 Monthly");