function validate(formObj) {

	warning = "";

	if (formObj.name.value == "") warning += "\n - Name";
	if (formObj.email.value == "") warning += "\n - Email";
	if (formObj.email.value != "" && !emailCheck(formObj.email.value)) warning += "\n - Email appears to be invalid";
	if (formObj.message.value == "") warning += "\n - Message";
	if (formObj.userdigit.value == "") warning += "\n - Enter Code";

	if (warning != "") {
        alert("Sorry, the form cannot be submitted because\nthe following fields are incomplete or invalid:\n" + warning);
		return false;
	}

    return true;

}