var correctAnswers = new Array(30);
correctAnswers[1] = "c";
correctAnswers[2] = "b";
correctAnswers[3] = "b";
correctAnswers[4] = "c";
correctAnswers[5] = "a";
correctAnswers[6] = "d";
correctAnswers[7] = "c";
correctAnswers[8] = "a";
correctAnswers[9] = "d";
correctAnswers[10] = "b";


correctAnswers[11] = "a";
correctAnswers[12] = "c";
correctAnswers[13] = "a";
correctAnswers[14] = "d";
correctAnswers[15] = "d";
correctAnswers[16] = "b";
correctAnswers[17] = "c";
correctAnswers[18] = "a";
correctAnswers[19] = "c";


correctAnswers[20] = "b";
correctAnswers[21] = "a";
correctAnswers[22] = "d";
correctAnswers[23] = "b";
correctAnswers[24] = "c";
correctAnswers[25] = "c";
correctAnswers[26] = "a";
correctAnswers[27] = "d";
correctAnswers[28] = "b";
correctAnswers[29] = "c";
correctAnswers[30] = "d";