$(document).ready(function() {
  var objs = $("a[href*='question']");
  var i;
  var xobj;
  var qid;
  
  for(i = 0;i < objs.length;i++) {
    xobj = $('#' + objs[i].getAttribute("href").substring(1))[0].nextSibling.nextSibling;
    qid = objs[i].getAttribute("href").substring(10);
    objs[i].setAttribute("href", "javascript:zobrazOtazku(" + qid + ")");
    xobj.style.display = "none";
    xobj.setAttribute("id", "answer-" + qid);
    objs[i].parentNode.appendChild(xobj);
  }
  $('.otazka').css("display", "none");
  $('.answers').css("display", "none");
});

var qid_last = 0;

function zobrazOtazku(id)
{
  if(qid_last > 0) {
    $('#answer-' + qid_last).css("display", "none");
  }
  if(qid_last == id) {
    qid_last = 0;
    $('#answer-' + id).css("display", "none");
  }
  else {
    $('#answer-' + id).css("display", "block");
    qid_last = id;
  }
}