//
// Used on index page for newsletter sign-up feature
//
function validateEmail() {
	if( $('emailAddress').value == 'Enter Email Address' ) {
		$('emailAddress').value = '';
	}
	$('submitImage').src = 'images/' + ( $('emailAddress').value.isValidEmail() ? 'index_29.gif' : 'submit_dim.gif' );
	$('submitImage').style.cursor = $('emailAddress').value.isValidEmail() ? 'pointer' : 'default';
}

function newsletterSignup() {
	if( $('emailAddress').value.isValidEmail() ) {
		$('formNewsletter').submit();
	} else {
		$('emailAddress').focus();
	}
}