// setTimeout holder for the loading dots (...)
var demLoading;

function dem_Vote(that)
{
  inpts = that.getElementsByTagName('input');
  user_added = false;
  ans = -1;
  theSubmit = false;
  for (i = 0; i < inpts.length; i++)
  {
    cur = inpts[i];
    if (cur.type == 'radio' && cur.checked)
    {
      ans = cur.value;
      if (ans == 'newAnswer')
      {
          user_added = true;
                ans = inpts[i+1].value;
            }
        }
    if (cur.name == 'dem_poll_id')
      poll_id = cur.value;
      
        if (cur.name == 'dem_cookie_days')
            cdays = cur.value;

    if (cur.type == 'submit')
      theSubmit = cur;

  }  
  
  // they haven't checked a box or they added a blank answer
  if (ans == -1 || ans == '')
    return false;

  demLoading = setTimeout(dem_loadingDots.bind(theSubmit), 50);

  path = that.action;
  
  if (user_added)
  {
     path += "?dem_action=add_answer";
     path += "&dem_new_answer="+encodeURIComponent(ans);
     
  } else
  {
     path += "?dem_action=vote";
     path += "&dem_poll_"+poll_id+"="+ans;
    } 
    
  path += "&dem_poll_id="+poll_id;
  path += "&dem_ajax=true";
    
  dem_ajax.open("GET", path, true);
  dem_ajax.onreadystatechange = dem_displayVotes.bind(that);
  dem_ajax.send(null);
  

  return false;
}

function dem_addUncheck()
{
  oUL = this.parentNode.parentNode;
  lis = oUL.getElementsByTagName('li');
  
  els = lis[lis.length-1].childNodes;
  
  for (i = els.length-1; i >= 0; i--)
    if (els[i].nodeName.toLowerCase() == 'a')
      els[i].style.display = '';
    else
      els[i].parentNode.removeChild(els[i]);
    
      

  Inp = oUL.getElementsByTagName('input');
    for (i = 0; i < Inp.length; i++)
    {
        Inp[i].onclick = function () { return true };
    }

    return true;
}

function dem_addAnswer(that)
  {
  allBoxes = that.parentNode.parentNode.getElementsByTagName('input');
  
  for (i = 0; i < allBoxes.length; i++)
	  {
	  allBoxes[i].onclick = dem_addUncheck;
	  allBoxes[i].checked = false;
	  }

  that.style.display = 'none';
  
  try{i1 = document.createElement('<input type="radio" checked="true" value="newAnswer" />');}
	catch(err)
		{
		i1 = document.createElement('input');
		i1.type = 'radio';
		i1.value = 'newAnswer';
		i1.checked = true;
		}
  
  i2 = document.createElement('input');
  i2.className = 'addAnswerText';
  
  that.parentNode.appendChild(i1);
  that.parentNode.appendChild(i2);  

  i2.focus();
    
    return false;
}

// very simple ajaxy loading visual
// adds 3 dots to link, then erase and start over
function dem_loadingDots() {
  
  isInput = this.nodeName.toLowerCase() == 'input';
  
  str = (isInput) ? this.value : this.innerHTML;

  if (str.substring(str.length-3) == '...')
    if (isInput)
      this.value     = str.substring(0, str.length-3);
    else
      this.innerHTML = str.substring(0, str.length-3);
  else
    if (isInput)
      this.value     += '.';
    else
      this.innerHTML += '.';
  
  demLoading = setTimeout(dem_loadingDots.bind(this), 200);
}

function dem_clearDots() {
  clearTimeout(demLoading);
}


function dem_getVotes(path, that)
{
  
  that.blur();
  demLoading = setTimeout(dem_loadingDots.bind(that), 50);

  dem_ajax.open("GET", path, true);
  dem_ajax.onreadystatechange = dem_displayVotes.bind(that.parentNode);
  dem_ajax.send(null);

    return false;
}

function dem_displayVotes ()
{
  
  if (dem_ajax.readyState != 4)
    return false;

  if (dem_ajax.status != 200)
  {
    alert('Error '+dem_ajax.status);
    return false;
  }
  
  clearTimeout(demLoading);
  this.innerHTML = dem_ajax.responseText;
}

function dem_getHTTPObject() {
  var xmlhttp;
  /*@cc_on
  @if (@_jscript_version >= 5)
    try {
      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (E) {
        xmlhttp = false;
      }
    }
  @else
  xmlhttp = false;
  @end @*/
  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
    try {
      xmlhttp = new XMLHttpRequest();
    } catch (e) {
      xmlhttp = false;
    }
  }
  return xmlhttp;
}


dem_ajax = new dem_getHTTPObject();


/*  from prototype.js */
Function.prototype.bind = function() {
  var __method = this, args = $A(arguments), object = args.shift();
  return function() {
    return __method.apply(object, args.concat($A(arguments)));
  }
}

var $A = Array.from = function(iterable) {
  if (!iterable) return [];
  if (iterable.toArray) {
    return iterable.toArray();
  } else {
    var results = [];
    for (var i = 0; i < iterable.length; i++)
      results.push(iterable[i]);
    return results;
  }
}