<!-- // hide from old browsers
// hide text from MSIE browsers


function checkanswer(myvalue)
{

if (myvalue.toLowerCase() == cor[questionNumber].toLowerCase())
{
 correctAnswers ++;
 comments.innerHTML= "Your answer is correct!";
}
else
{
 comments.innerHTML= "Your answer " + myvalue  + " is not correct, the correct answer is " + cor[questionNumber];
}
temp = correctAnswers / questionNumber * 100;
score.innerHTML = "Your score is : " + temp.toFixed(2) + " %";

document.forms.myform.submit.disabled=true;
document.forms.myform.next.disabled = false;
}

function activateSubmit()
{
 if  (document.forms.myform.next.disabled == true)
{
 document.forms.myform.submit.disabled = false;
 }
}

function nextQ()
{
if ((studentAnswer != "") && (questionNumber < NumberOfQuestions))
{
 questionNumber ++ 
 elmnt = questionNumber;
 q1.innerHTML=q[elmnt];
 a1.innerHTML='A) ' + a[elmnt] + '<BR>B) ' + b[elmnt]+ '<BR>C) ' + c[elmnt]+ '<BR>D) ' + d[elmnt]
 comments.innerHTML= "";
 studentAnswer = "";
 document.forms.myform.reset();
 document.forms.myform.next.disabled = true;
 document.forms.myform.submit.disabled = true;
}
else
{
 questionNumber = NumberOfQuestions;
}
}

