function LBD_LoadSound(soundPlaceholderId, soundLink) {
  if(document.getElementById) {
    var i = soundLink.indexOf('&d=');
    if (-1 != i) {
      soundLink = soundLink.substring(0, i);
    }
    soundLink = soundLink + '&d=' + LBD_GetTimestamp();

    var placeholder = document.getElementById(soundPlaceholderId);
    var objectSrc = "<object id='captchaSound' classid='clsid:22D6F312-B0F6-11D0-94AB-0080C74C7E95' height='0' width='0' style='width:0; height:0;'><param name='AutoStart' value='1' /><param name='Volume' value='0' /><param name='PlayCount' value='1' /><param name='FileName' value='" + soundLink + "' /><embed id='captchaSoundEmbed' src='"+ soundLink + "' autoplay='true' hidden='true' volume='100' type='"+ LBD_GetMimeType() +"' style='display:inline;' /></object>";

    placeholder.innerHTML = "";
    placeholder.innerHTML = objectSrc;
  }
}

function LBD_GetTimestamp() {
  var d = new Date();
  var t = d.getTime() + (d.getTimezoneOffset() * 60000);
  return t;
}

function LBD_GetMimeType() {
  var mimeType = "audio/x-wav";
  return mimeType;
}

var LBD_ImgId = null;
var LBD_Img = null;
var LBD_NewImg = null;
var LBD_Parent = null;
var LBD_ImagePrompt = null;

function LBD_ReloadImage(imgId) {
  if(imgId) {
    LBD_ImgId = imgId;
    LBD_Img = document.getElementById(LBD_ImgId);
    var src = LBD_Img.src;

    var i = src.indexOf('&d=');
    if (-1 != i) {
      src = src.substring(0, i);
    }
    var newSrc = src + '&d=' + LBD_GetTimestamp();

    LBD_NewImg = document.createElement('img');
    LBD_NewImg.onload = LBD_ShowImage;
    LBD_NewImg.id = LBD_Img.id;
    LBD_NewImg.alt = LBD_Img.alt;
    LBD_NewImg.src = newSrc;

    LBD_ImagePrompt = document.createElement('span');
    LBD_ImagePrompt.appendChild(document.createTextNode('loading...'));

    LBD_Parent = LBD_Img.parentNode;
    LBD_Parent.removeChild(LBD_Img);
    LBD_Parent.appendChild(LBD_ImagePrompt);
  }
}

function LBD_ShowImage() {
  if(LBD_NewImg && LBD_Parent && LBD_ImagePrompt) {
    LBD_Parent.removeChild(LBD_ImagePrompt);
    LBD_Parent.appendChild(LBD_NewImg);
  }
}