function lancer(video){

    file = "http://belemconferences.s3.amazonaws.com/" + video;

var so = new SWFObject('mediaplayer/player-viral.swf','vd','500','280','9.0.0');
  so.addParam('allowscriptaccess','always');
  so.addParam('allowfullscreen','true');
  so.addParam('flashvars', 'file=' + file);
  so.write('vd');
}