function muestra_video(id_video,seccion) {
	if(typeof __popup_window != 'undefined') {
		__popup_window.close();
	}
	var url = '../videos/video_player.html?id_video='+id_video+'&seccion='+seccion;
	// __popup_window = window.open(url, 'Video'+id_video, 'scrollbars=0,menubar=0,resizable=1,width=550,height=450');
	__popup_window = window.open(url, 'Video', 'scrollbars=0,menubar=0,resizable=1,width=550,height=450');
}