function subscribe(){
	jQuery(".subscribe").fadeOut('slow');
	setTimeout('jQuery(".subscribe").fadeIn(\'slow\');',500);
	var mail = jQuery("#subscribe_mail").val();
	var ok = checkmail(mail);
	if (ok){

		$.ajax({
			type: "POST",
			url: "newsletter_subscribe.php",
			data: "mail=" + mail,
			cache: false,
			error: function(rq, err, e) {alert('newsletter_subscribe.php' + err);},
			success: function(resp){
				if (resp == 'ok'){
					jQuery("#subscribe_message").html('Check your e-mail for the confirmation link');
				}
				else if (resp == 'error'){
					jQuery("#subscribe_message").html('Error while sending confirmation link.');
				}
				else if (resp == 'already'){
					jQuery("#subscribe_message").html('This e-mail is already registered');
				}
				jQuery("#subscribe_message").show();
			}
		});
		
		jQuery("#subscribe_message").html('');
		jQuery("#subscribe_message").hide();
	}
	else{
		jQuery("#subscribe_message").html('Error. Incorrect e-mail address');
		jQuery("#subscribe_message").show();
	}
}

function checkmail(mail){
	if ((mail.indexOf(".")==-1 || mail.indexOf("@")==-1)){
		document.newsletter.subscribe_mail.focus();
		return false;
	}
	return true;
}