var all_answers = "241432431231233412413112333444441342442144134322244323324243241231411323324";
var all_maxAnswers = "444444444444444444444444444444444444444444444444444444444444444444444444444";
var all_instruction = "000000000000000000000000000000000000000000000000000000000000000000000000000";
var all_explain = "000000000000000000000000000000000000000000000000000000000000000000000000000";
var all_choice = "999999999999999999999999999999999999999999999999999999999999999999999999999";
var currentQuestion = 0;
reference = new Array("1248","1206","1206","1191","1208","1230-1231","1222-1224","1213","1222-1224","1227","1253","1195","1204","1228-1229","1192","1220","1220","1251","1236","1255","1248","1250","1239","1227","1208","1198","1215","1228","1232-1233","1250","1204","1194","1252","1186","1233","1233","1186","1230-1231","1221","1251","1224","1220","1236","1227-1228","1257-1258","1209","1243","1189","1215","1187-1188","1189","1250","1257-1258","1210","1220-1221","1251","1254","1250","1228","1237","1221","1205","1252","1192-1193","1204","1221","1257","1228-1229","1186","1221","1232-1233","1251","1247","1231","1249");