// JavaScript Document<script language="javascript">


var divs=['q1', 'q2', 'q3' ,'q4','q5'];
function displaydiv(divid)
{
var onediv = document.getElementById(divid);
for (var di=0;di<divs.length;di++)
  {
  if (onediv != document.getElementById(divs[di]))
    {
    document.getElementById(divs[di]).style.display='none';
    }
  }
if (onediv.style.display=='block')
  {
  onediv.style.display = 'none';
  }
else
  {
  onediv.style.display = 'block';
  }
}