function validate_signup(f) {

if (f.cd_FULLNAME.value=="" || f.cd_FULLNAME.value==null) { alert("Please enter your Name."); return false }

if (f.Email.value == "" || f.Email.value.indexOf('@') == -1) { alert('Please enter a valid Email Address'); return false }

if (f.cd_TELEPHONE.value =="" || f.cd_TELEPHONE.value==null) { alert("Please enter your Telephone Number."); return false }

return true;

}