function getScreen( url, size )
{
  if(url === null){ return ""; }

  size = (size === null) ? "big" : size;

  var vid = getYtId(url);

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

function getYtId(url) {
  var vid;
  var results;
  results = url.match("[\\?&]v=([^&#]*)");
  vid = ( results === null ) ? url : results[1];
  return vid;
}

function openPlayer(url) {
   var l=screen.width-500;
   var p=window.open(url,"bp","location=1,status=0,scrollbars=0,width=380,height=420,top=400,left="+l);
}

function embedYt(vid)
{
var id = 'videoint';
document.getElementById(id).innerHTML = '<object width="480" height="385"><param name="movie" value="http://www.youtube.com/v/'+vid+'&hl=en&fs=1&autoplay=1"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/'+vid+'&hl=en&fs=1&autoplay=1" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="480" height="385"></embed></object>';
document.getElementById(id).style.display = "block";
}