function subscribe(frm){

	var params = 'ajax=true&method='+frm.method.value+'&email='+frm.email.value+'&name='+frm.name.value;

	var ajax = new Ajax.Request (
	'/newsletter.php',
	{method: 'get', parameters: params, onComplete: updateSubscribe}
	);
}

function updateSubscribe(response){
	var respText = response.responseText;
	$('subscribe').innerHTML = respText;

}
function checkMail(email){

	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (filter.test(email)){
		return true;
	}else{
		alert('This email address doesn\'t appear to be valid, please try again.');
		return false;
	}

}