function envioemail(newsletter, alta){
		var accion="";

		if (alta[0].checked) {
			accion="register";
			asunto="Registration in newsletters";
			txt = "The user " + newsletter.value + " wants to " + accion + " in the newsletters service of the Teatro Perez Galdos. %0D%0A %0D%0A" +
			      "In accordance with the Spanish Data Protection Law “Ley Orgánica” 15/1999, from December 13th, and in compliance with the Spanish Information Society Services and E-Commerce Law (LSS), the user is aware that he or she gives the Teatro Pérez Galdós Canary Islands’ Foundation the right to include his or her personal data in a file of personal information created solely for general administrative management and for the sending of information relating to the company. The user has the right of access to his or her file at any time, with the aim of being able to request the rectification and objection. This should be carried out in writing to the Teatro Pérez Galdós Canary Islands’ Foundation (Plaza Stagno, 1 (Edificio Teatro Pérez Galdós) 35002 Las Palmas de Gran Canaria.";
		}
		else {
			accion="unsubscribe";
			asunto="Unsubscribe e-mail communications";
			txt = "The user " + newsletter.value + " wants to " + accion + " in the newsletters service of the Teatro Perez Galdos. %0D%0A %0D%0A";
		}	
		location.href="mailto:info@teatroperezgaldos.es?subject="+asunto+"&body=" + txt ;
	}