function popExplanation(){
		window.open('sql-approaches-quiz-explanation.html', 'Explanation', "toolbar=yes,scrollbars=yes,resizable=yes,width=600,height=600");
}
// Insert number of questions
var numQues = 3;
// Insert number of choices in each question
var numChoi = 4;
// Insert number of questions displayed in answer area
var answers = new Array(3);
// Insert answers to questions
answers[0] = "C";
answers[1] = "D";
answers[2] = "C";