var hide_empty_list=true;

addListGroup("vehicles", "car-makers");

addList("car-makers", "Select an age Group", "", "dummy-maker");
addList("car-makers", "Newborn To  18 Months", "Newborn", "newborn");
addList("car-makers", "1 - 3 Years Old", "1-3", "1-3");
addList("car-makers", "3 - 6 Years Old", "3-6", "3-6");
addList("car-makers", "Fun For The Whole Family", "family", "family", 1);

addList("dummy-maker", "Not available", "", "dummy-car");

addOption("dummy-car", "Not available", "");

addList("newborn", "Select A Class", "", "dummy-newborn");
addList("newborn", "Oh What A Busy Day", "busyday", "newborn-class1");
addList("newborn", "Creatures In Our Backyard", "creatures", "creatures-class2",1);

addOption("dummy-newborn", "Not available", "");

addOption("newborn-class1", "Select A Time", "");
addOption("newborn-class1", "Busy Day: June 11 - June 15 9:30 AM Mon - Fri", "BusyDay1");
addOption("newborn-class1", "Busy Day: July 11- Aug 8  Wednesdays 9:30", "BusyDay2");

addOption("creatures-class2", "Select A Time", "");
addOption("creatures-class2", "Creatures: June 11 - June 15 10:15- 11:15 AM 12:30-1:30 PM  Monday thru Friday", "creatures1");
addOption("creatures-class2", "Creatures: June 11 - June 15 12:30-1:30 PM  Monday thru Friday", "creatures2");
addOption("creatures-class2", "Creatures: July 9-Aug 11 Mon. 9:30-10:30", "creatures3");
addOption("creatures-class2", "Creatures: July 9-Aug 11 Fri 10:00-11:00", "creatures4");

addList("1-3", "Select A Class", "", "dummy-1-3");
addList("1-3", "Creatures In Our Backyard", "creatures1", "creatures-class3",1);

addOption("dummy-1-3", "Not available", "");

addOption("creatures-class3", "Select A Time", "");
addOption("creatures-class3", "Creatures: June 11 - June 15 10:15- 11:15 AM 12:30-1:30 PM  Monday thru Friday", "creatures5");
addOption("creatures-class3", "Creatures: June 11 - June 15 12:30-1:30 PM  Monday thru Friday", "creatures6");
addOption("creatures-class3", "Creatures: July 9-Aug 11 Mon. 9:30-10:30", "creatures7");
addOption("creatures-class3", "Creatures: July 9-Aug 11 Fri 10:00-11:00", "creatures8",1);

addList("3-6", "Select A Class", "", "dummy-3-6");
addList("3-6", "Imagine That", "imagine1", "imagine-class", 1);

addOption("dummy-3-6", "Not available", "");

addOption("imagine-class", "Select A Time", "");
addOption("imagine-class", "June 18-June 22 9:30-11:00 Every Day For 1 Week", "imagine1");
addOption("imagine-class", "June 18-June 22 12:30-2:00 Every Day For 1 Week", "imagine2");
addOption("imagine-class", "July 10 - Aug 11 10:00 - 11:30 Every Saturday", "imagine3",1);

addList("family", "Select A Class", "", "dummy-family");
addList("family", "Family Time", "family1", "family-class", 1);

addOption("dummy-family", "Not available", "");

addOption("family-class", "Select A Time", "");
addOption("family-class", "June 18-June 22 11:15 - 12:00 daily Monday - Friday", "ft1");
addOption("family-class", "July 9 - Aug. 11  Mon 10:45-11:30", "ft2",1);