var equisemeele = document.getElementsByTagName('body')[0].className == 'castellano'?'http://www.ie.edu/IE/site/video/lista_videos_es.xml':'http://www.ie.edu/IE/site/video/lista_videos_en.xml';

var reproductor = new SWFObject("http://www.ie.edu/IE/site/video/mediaplayer.swf","player","303","179","6");
reproductor.addParam("allowfullscreen","true");
reproductor.addParam("allowscriptaccess","always");
reproductor.addParam("wmode","opaque");
reproductor.addVariable('file',equisemeele);
reproductor.addVariable('displaywidth','242');
reproductor.addVariable('autoscroll','false');
reproductor.addVariable("width","303");
reproductor.addVariable("height","179");
reproductor.addVariable("shuffle","false");
reproductor.write(document.getElementById('cabecera').getElementsByTagName('dd')[0]);