function enableForm() {
	document.signup.email.disabled = false;
}
function formFocus() {
	document.signup.email.disabled = false;
	document.signup.email.focus();
	document.signup.email.select();
	if (document.signup.email.value == 'Enter your email address') {
		document.signup.email.value = '';
	}
}
function formBlur() {
	if (document.signup.email.value == '') {
		document.signup.email.value = 'Enter your email address';
	}
}