var forcereload = false;

function loadComments(baseurl, page, comment) {
  var comments = document.getElementById("comment_container");
  var xmlhttp = null;
  if (window.XMLHttpRequest) {
    var xmlhttp = new XMLHttpRequest();
  } else {
    if (window.ActiveXObject) {
      var xmlhttp = new ActiveXObject('MSXML2.XMLHTTP');
    }
  }
  if (xmlhttp && comments) {
    comments.innerHTML = "Loading comments...";
    url = baseurl + page + "/";
    if (comment && comment != 0) {
      url += "?comments_id=" + comment;
      forcereload = true;
    }
    xmlhttp.open("GET", url, true);
    xmlhttp.onreadystatechange=function() {
      if (xmlhttp.readyState == 4) {
        if (xmlhttp.status == 200) {
          comments.innerHTML = xmlhttp.responseText;
          var countstore = document.getElementById("comment_count_storage");
          var count = document.getElementById("comment_count");
          if (countstore && count) {
            count.innerHTML = countstore.innerHTML;            
            if (forcereload) {
              window.location.hash = "c" + comment;
              window.location.search = '';              
            } else if (window.location.hash != '') {
              window.location.hash = window.location.hash;
            }
          }
        } else {
          comments.innerHTML = '';
        }
      }
    }
    xmlhttp.send(null);
  } else {
    comments.innerHTML = "Your browser does not support active comments.";
  }
}

function hideBlock(element) {
  element.style.visibility = "hidden";
  element.style.display = "none";
}

function showBlock(element) {
  element.style.visibility = "visible";
  element.style.display = "block";
}

function revealComment(element) {
  var comment = document.getElementById('ccr' + element);
  var warning = document.getElementById('cch' + element);

  if (comment && warning) {
    showBlock(comment);
    hideBlock(warning);
  }
}

function writeCommentCookie(action) {
  document.cookie = "hidecomments=" + encodeURIComponent(action) + "; path=/; max-age=" + (60 * 60 * 24 * 365)
}

function toggleLink() {
  var optout = document.getElementById('comment_optout');
  var optin = document.getElementById('comment_optin');
  var list = document.getElementById('comment_list');
  var form = document.getElementById('comment_form');

  if (optin.innerHTML == "Turn off") {
    hideBlock(list);
    if (form) {
      hideBlock(form);
    }
    optin.innerHTML = "Turn on";
    writeCommentCookie("out");
    return false;
  } else {
    showBlock(list);
    if (form) {
      showBlock(form);
    }
    optin.innerHTML = "Turn off";
    writeCommentCookie("in");
    return true;
  }
}