function ValidateForm(ckForm) { //v3.0 var err = ""; if (ckForm.email.value.length < 4) { err += "\nEmail address is missing.\n"; } if (ckForm.email.value.length >= 4) { var str = ckForm.email.value; var filter=/^.+@.+\..+$/i; if (filter.test(str)) { err += ""; } else { err += "\nPlease enter a valid email address.\n"; } } if (err != "") { var mesage = "There is a problem with your email entry...\n" + err; alert (mesage); return false; } signupform.submit(); //return true; }