function cabecera(url){
document.write('<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" width="400" height="110" id="cabecera" align="middle">')
document.write('<param name="allowScriptAccess" value="sameDomain" />');
document.write("<param name='movie' value='"+url+"' />");
document.write('<param name="quality" value="best" />');
document.write('<param name="play" value="true" />');
document.write('<param name="bgcolor" value="#e6f1fb" />');
document.write("<embed src='"+url+"' quality='best' bgcolor='#e6f1fb' width='400' height='110' name='cabecera' align='middle' allowScriptAccess='sameDomain' type='application/x-shockwave-flash' pluginspage='http://www.macromedia.com/go/getflashplayer' play='true' />");
document.write('</object>');
}