function cleartxtEmail(obj) {
		if (obj.value=='Your e-mail address') {
			obj.value='';
		}
	}

	function validateEmail(obj) {
		if (obj.value == "" || obj.value == "Your e-mail address") {
			alert('Email address must not be blank, please re-enter.');
		} else if (isEmail(obj.value) == false) {
			alert('Invalid email address, please re-enter.');
		} else {			
			document.getElementById('frmNewsletter').submit()
			alert('Your email address has been subscribed.');
		}
	}

	function isEmail(emailAddress) {
		if (emailAddress.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
			return true;
		else
			return false;
	}