function crearFlash(url, width, height, wmode, clase) {
    document.write('<object type="application/x-shockwave-flash" data="' + url + '" width="' + width + '" height="' + height + '" class="' + clase + '"><param name="movie" value="' + url + '" /><param name="quality" value="high" /><param name="menu" value="false" /><param name="wmode" value="' + wmode + '" /></object>');
}