// JavaScript Document

function showAnswer() {
  var id = this.id;
  var el = document.getElementById('a' + id.substring(1));
  if (el) el.style.display = (el.style.display == 'block')?'none':'block';
  return false
}

function windowLoad() {
var el = document.getElementById('questions')
   if (el &&
       el.getElementsByTagName &&
       el.getElementsByTagName('a') &&
       el.getElementsByTagName('dd') )
   {
    var links = el.getElementsByTagName('a');
    var answers = el.getElementsByTagName('dd')
    for (var i = links.length - 1; i >= 0; i--)
    {
     links[i].onclick = showAnswer;
     links[i].href = '#';
     links[i].tabIndex = 0;
     if (answers[i].style)
      {
       answers[i].style.display = "none";
      }
    }
   }
}

window.onload = windowLoad