var all_answers = "14121234111434212442334312142222222331132432214432332";
var all_maxAnswers = "44444444444444444444444444444444444444444444444444444";
var all_instruction = "00000000000000000000000000000000000000000000000000000";
var all_explain = "00000000000000000000000000000000000000000000000000000";
var all_choice = "99999999999999999999999999999999999999999999999999999";
var currentQuestion = 0;
reference = new Array("571","538-539","540-542","568-569","541","543","576","563-564","571-573","564","552","570-571","553-554","538-539","547","548","580-581","571","575","541","577","578-579","539","543","568","574","578","546","575, 578","539","564","565-567","538","559","586-587","552-553","588-589","561-583","578","537, 543","571","583","560","551","577","547","563-564","562-563","574-575","564-565","547","573-574","542-543");

