function newsletterFormTest() {
	var emailInput = document.getElementById("newsletterEmail");
	if (emailInput) {
		var emailValue = emailInput.value;
		if ((emailValue.length > 4) &&
			(emailValue.indexOf("@") > 0) &&
			(emailValue.indexOf(".") > 0)) {
			return true;
		}
		emailInput.className = 'newsletterEmailError';
	}
	
	return false;
}

function newsletterEmailFocus() {
	var emailInput = document.getElementById("newsletterEmail");
	if (emailInput) {
		emailInput.className = 'newsletterEmailNormal';
		if(emailInput.value == 'Your email address') emailInput.value="";
	}
}