function clearText(thefield) { 

	if (thefield.defaultValue == thefield.value) thefield.value = "";

}

function hideSubform() {
    document.getElementById('hide1').style.display = 'none';
    document.getElementById('hide2').style.display = 'none';
}

function showSubform() {
    document.getElementById('hide1').style.display = 'inline';
    document.getElementById('hide2').style.display = 'inline';
}

function validateForm() {

	if (document.newsletterSignupForm.email.value == '' || document.newsletterSignupForm.email.value == 'Enter your email') {

		alert('You must enter an email address!');
		document.newsletterSignupForm.email.value = 'Enter your email';

	} else {

	 	document.newsletterSignupForm.submit();

	}
	
}