function resetanswers(){
 document.getElementById('a11').checked = false;
 document.getElementById('a12').checked = false;
 document.getElementById('a13').checked = false;
 document.getElementById('a14').checked = false;
}
function checkanswer(myvalue){
 if (myvalue.toLowerCase() == cor[questionNumber].toLowerCase()){
     correctAnswers ++;
     document.getElementById('comments').innerHTML= "Your answer is correct!";
 }else{
     document.getElementById('comments').innerHTML= "Your answer " + myvalue  + " is not correct, the correct answer is " + cor[questionNumber];
 }
 temp = correctAnswers / questionNumber * 100;
 document.getElementById('score').innerHTML = "Your score is : " + temp.toFixed(2) + " %";
/* 
 document.forms.myform.submitanswer.disabled=true;
 document.forms.myform.nextquestion.disabled=false; 
*/
 document.getElementById('submitanswer').disabled=true;
 document.getElementById('nextquestion').disabled=false;
}

function activateSubmit(){
/* if  (document.forms.myform.nextquestion.disabled == true){
      document.forms.myform.submitanswer.disabled = false;
*/
 if  (document.getElementById('nextquestion').disabled == true){
      document.getElementById('submitanswer').disabled = false;
 }
}

function nextQ(){
/* if (document.forms.myform.nextquestion.value != 'Next') {document.forms.myform.nextquestion.value = 'Next';}
 if (document.forms.myform.submitanswer.value != 'Submit') {document.forms.myform.submitanswer.value = 'Submit';}
*/
 if (document.getElementById('nextquestion').value != 'Next') {document.getElementById('nextquestion').value = 'Next';}
 if (document.getElementById('submitanswer').value != 'Submit') {document.getElementById('submitanswer').value = 'Submit';}
 //alert('This is before showing answersection');
 try { 
     show('answersection');
     }catch(e){
      alert('Here is the error in the catch '+ e.message);
     }
 if (questionNumber != NumberOfQuestions){  // Pulled out of logic - (studentAnswer != "") && 
      questionNumber ++ ;
      elmnt = questionNumber;
      document.getElementById('q1').innerHTML=q[elmnt];
      document.getElementById('a1').innerHTML='A) ' + a[elmnt] + '</br>B) ' + b[elmnt]+ '</br>C) ' + c[elmnt]+ '</br>D) ' + d[elmnt];
      document.getElementById('comments').innerHTML= "";
      studentAnswer = "";
/*      document.forms.myform.reset();
      document.forms.myform.nextquestion.disabled = true;
      document.forms.myform.submitanswer.disabled = true;
      document.forms.myform.reset();
*/
      document.getElementById('nextquestion').disabled = true;
      document.getElementById('submitanswer').disabled = true;
      resetanswers();
 }else{
      questionNumber = NumberOfQuestions;
 }
}