function validateFormSignup() 
{
	var ac = document.forms['asian_cyte_signup_form'];
	if (ac.name.value == '') {
		alert('Enter your first name.');
	}
	else if (ac.last_name.value == '') {
		alert('Enter your last name.');
	}
	else if (ac.email.length == 0 || ac.email.value.indexOf('@') <= 0){
	alert('Please enter a valid and full e-mail address.');
	}

else {
	ac.submit();
}
}