function toggleVideo(eAnchor, idVideoObject)
{
  if (!document.getElementById) {alert('Your browser does not support document.getElementById');return true;}
  var e=document.getElementById(idVideoObject);
  if(!e){alert('Error: Invalid video object ID.');return true;}
  if(!e.style.display || e.style.display=="none")
  {
    e.style.display="block";
    eAnchor.innerHTML="<font style='color:red;'><nobr>Hide video</nobr></font>";
  }
  else
  {
    e.style.display="none";
    eAnchor.innerHTML="<nobr>Watch it here</nobr>";
  }
  return true;
}

function getScreen( url, size )
{
  if(url === null){ return "http://www.skewsme.com/img/default_video_thumbnail.jpg"; }

  size = (size === null) ? "big" : size;
  var vid;
  var results;

  results = url.match("[\\?&]v=([^&#]*)");

  vid = ( results === null ) ? url : results[1];

  if(size == "small"){
    return "http://img.youtube.com/vi/"+vid+"/2.jpg";
  }else {
    return "http://img.youtube.com/vi/"+vid+"/0.jpg";
  }
}

function displayThumb( idParent, url, right )
{
  var img = document.createElement('img');
  img.setAttribute('src', getScreen(url));
  img.setAttribute('align', (right === 'right') ? 'right' : 'left');
  img.className = "essayheader videothumbnail";
  img.style.width = '80px';
  img.style.height = '60px';
  img.style.marginTop = '6px';
  img.style.paddingRight = '10px';
  document.getElementById(idParent).appendChild(img);
}