#cuerpo #lateral #caja_motor #motor input[type="submit"]
{
	background-image: url(../img/bt-reservar-es.png);
}
#cuerpo #lateral #caja_motor #motor input[type="submit"]:hover
{
	background-image: url(../img/bt-reservar-es-on.png);
}
form.form-interior input[type="submit"]
{
	background-image: url(../img/bt-enviar-es.png);
}
form.form-interior input[type="submit"]:hover
{
	background-image: url(../img/bt-enviar-es-on.png);
}