jQuery(document).ready( function($) {
	var q = 0;
	var count = 10;
  $("#question0").show();
  $("#quiz span").not("#question0").hide();

	$("input[name=useranswer]").change(function(){
		var my_answer = $("input[name=useranswer]:checked").val();
	  if (my_answer == "A")
			$("#ua"+q).val("A");
	  else if (my_answer == "B")
			$("#ua"+q).val("B");
		else if (my_answer == "C")
			$("#ua"+q).val("C");
		else if (my_answer == "D")
			$("#ua"+q).val("D");
	});
  $(".mybutton").click( function() {
		if ($("#ua"+q).val()==''){
			alert("Please choose an answer.");
			return;
		}
		if ($("#letter_d"+(q+1)).val()==''){
			$("#letterD"+(q+1)).hide();
		}
		if ($("#ua"+q).val()!=$("#correctanswer"+q).val()){
			count--;
			$("#answer"+q).removeClass('goodanswer');
			$("#answer"+q).addClass('badanswer');
		}
    $("#question"+q).hide();
		$("#answer"+q).show();
		$("#answer"+(q-1)).hide();
		$("#ua"+q).val("");
		q++;
		$("input[name=useranswer]").attr("checked", false); 
		$("#question"+q).show();
		if (q == 11){
			$("#yourscore").html("<h3 class=\"ctcss-result-summ\">Your score is "+(count*10)+"%</h3>");
			$("#yourscore").show();
			$("#score").show();
		}else if (q == 12){
			$("#score").hide();
			$("#question10").hide();
			$("#question0").show();
			q = 0;
			count = 10;
		}
	});
});