function cuponextra()
{
var codeText = document.buttonArea.codigo.value.toLowerCase();
if (codeText == 'd5e0sm2010')
{
document.getElementById('aceptado').style.visibility = 'visible';
document.getElementById('error').style.visibility = 'hidden';
document.getElementById('ingreso').style.visibility = 'hidden';
document.getElementById('pago').innerHTML = '<center><strong><a href="https://www.2checkout.com/2co/buyer/purchase?sid=613850&quantity=1&lang=sp&product_id=1"><font face="Verdana" color="#FFFFFF" style="text-decoration:none; background-color:#339933; font-size: 14pt; margin-top: 0; margin-bottom: 0;">&nbsp;Ordena AQUÍ! > $37&nbsp;</a></font></strong><p><font face="Verdana" color="#FFFFFF" style="text-decoration:none; background-color:#339933; font-size: 14pt; margin-top:0; margin-bottom:0">&nbsp;Descarga Inmediata&nbsp</a></font></p></center>';
}
else
{
document.getElementById('error').style.visibility = 'visible';
}
}