function showAnswer(id) {
  var divs = document.getElementsByTagName("div");
  for (var i=0; i<divs.length; i++ ) {
    if (divs[i].className.indexOf("showAnswer") == -1) continue;
    if (divs[i].getAttribute("id") != id) {
      divs[i].style.display = "none";
    } else {
      divs[i].style.display = "block";
    }
  }
}

function prepareAnswerRevel() {
  if (!document.getElementsByTagName) return false;
  if (!document.getElementById) return false;
  if (!document.getElementById("questAnswer")) return false;
  var divs = document.getElementsByTagName("div");
  var quest = document.getElementById("questAnswer");
  var links = quest.getElementsByTagName("a");
  for (var i=0; i<links.length; i++ ) {
    var sectionId = links[i].getAttribute("href").split("#")[1];
    if (!document.getElementById(sectionId)) continue;
    document.getElementById(sectionId).style.display = "none";
    links[i].destination = sectionId;
    links[i].onclick = function() {
      showAnswer(this.destination);
      return false;
    }
  }
}

function prepareAnswerRevel2() {
  if (!document.getElementsByTagName) return false;
  if (!document.getElementById) return false;
  if (!document.getElementById("questAnswer2")) return false;
  var divs = document.getElementsByTagName("div");
  var quest = document.getElementById("questAnswer2");
  var links = quest.getElementsByTagName("a");
  for (var i=0; i<links.length; i++ ) {
    var sectionId = links[i].getAttribute("href").split("#")[1];
    if (!document.getElementById(sectionId)) continue;
    document.getElementById(sectionId).style.display = "none";
    links[i].destination = sectionId;
    links[i].onclick = function() {
      showAnswer(this.destination);
      return false;
    }
  }
}

function prepareAnswerRevel3() {
  if (!document.getElementsByTagName) return false;
  if (!document.getElementById) return false;
  if (!document.getElementById("questAnswer3")) return false;
  var divs = document.getElementsByTagName("div");
  var quest = document.getElementById("questAnswer3");
  var links = quest.getElementsByTagName("a");
  for (var i=0; i<links.length; i++ ) {
    var sectionId = links[i].getAttribute("href").split("#")[1];
    if (!document.getElementById(sectionId)) continue;
    document.getElementById(sectionId).style.display = "none";
    links[i].destination = sectionId;
    links[i].onclick = function() {
      showAnswer(this.destination);
      return false;
    }
  }
}

function prepareAnswerRevel4() {
  if (!document.getElementsByTagName) return false;
  if (!document.getElementById) return false;
  if (!document.getElementById("questAnswer4")) return false;
  var divs = document.getElementsByTagName("div");
  var quest = document.getElementById("questAnswer4");
  var links = quest.getElementsByTagName("a");
  for (var i=0; i<links.length; i++ ) {
    var sectionId = links[i].getAttribute("href").split("#")[1];
    if (!document.getElementById(sectionId)) continue;
    document.getElementById(sectionId).style.display = "none";
    links[i].destination = sectionId;
    links[i].onclick = function() {
      showAnswer(this.destination);
      return false;
    }
  }
}

function prepareAnswerRevel5() {
  if (!document.getElementsByTagName) return false;
  if (!document.getElementById) return false;
  if (!document.getElementById("questAnswer5")) return false;
  var divs = document.getElementsByTagName("div");
  var quest = document.getElementById("questAnswer5");
  var links = quest.getElementsByTagName("a");
  for (var i=0; i<links.length; i++ ) {
    var sectionId = links[i].getAttribute("href").split("#")[1];
    if (!document.getElementById(sectionId)) continue;
    document.getElementById(sectionId).style.display = "none";
    links[i].destination = sectionId;
    links[i].onclick = function() {
      showAnswer(this.destination);
      return false;
    }
  }
}
function prepareAnswerRevel6() {
  if (!document.getElementsByTagName) return false;
  if (!document.getElementById) return false;
  if (!document.getElementById("questAnswer6")) return false;
  var divs = document.getElementsByTagName("div");
  var quest = document.getElementById("questAnswer6");
  var links = quest.getElementsByTagName("a");
  for (var i=0; i<links.length; i++ ) {
    var sectionId = links[i].getAttribute("href").split("#")[1];
    if (!document.getElementById(sectionId)) continue;
    document.getElementById(sectionId).style.display = "none";
    links[i].destination = sectionId;
    links[i].onclick = function() {
      showAnswer(this.destination);
      return false;
    }
  }
}
function prepareAnswerRevel7() {
  if (!document.getElementsByTagName) return false;
  if (!document.getElementById) return false;
  if (!document.getElementById("questAnswer7")) return false;
  var divs = document.getElementsByTagName("div");
  var quest = document.getElementById("questAnswer7");
  var links = quest.getElementsByTagName("a");
  for (var i=0; i<links.length; i++ ) {
    var sectionId = links[i].getAttribute("href").split("#")[1];
    if (!document.getElementById(sectionId)) continue;
    document.getElementById(sectionId).style.display = "none";
    links[i].destination = sectionId;
    links[i].onclick = function() {
      showAnswer(this.destination);
      return false;
    }
  }
}


function prepareAnswerRevel8() {
  if (!document.getElementsByTagName) return false;
  if (!document.getElementById) return false;
  if (!document.getElementById("questAnswer8")) return false;
  var divs = document.getElementsByTagName("div");
  var quest = document.getElementById("questAnswer8");
  var links = quest.getElementsByTagName("a");
  for (var i=0; i<links.length; i++ ) {
    var sectionId = links[i].getAttribute("href").split("#")[1];
    if (!document.getElementById(sectionId)) continue;
    document.getElementById(sectionId).style.display = "none";
    links[i].destination = sectionId;
    links[i].onclick = function() {
      showAnswer(this.destination);
      return false;
    }
  }
}



addLoadEvent(prepareAnswerRevel);
addLoadEvent(prepareAnswerRevel2);
addLoadEvent(prepareAnswerRevel3);
addLoadEvent(prepareAnswerRevel4);
addLoadEvent(prepareAnswerRevel5);
addLoadEvent(prepareAnswerRevel6);
addLoadEvent(prepareAnswerRevel7);
addLoadEvent(prepareAnswerRevel8);