(function() {
  var videoIdeaId= 20785,
    width = 516,
    height = 290,
    autoPlay = false;

  var src = "http://bigthink.com/embeds/video_idea/" +
    videoIdeaId.toString() +
    "?" +
    "width=" + width.toString() +
    "&height=" + height.toString() +
    "&auto_play=" + ( autoPlay ? "1" : "0" );

  document.write( "<iframe" +
    " src='" + src + "'" +
    " width=" + width.toString() +
    " height=" + height.toString() +
    " frameborder='0'" +
    " marginheight='0'" +
    " marginwidth='0'" +
    " scrolling='no'" +
    ">" +
    "</iframe>" );
})();