<!--
    function validate() {
        var form = document.forms.contact;

        if (isEmpty(form.name))
            alertUser("name", form.name);
        else if (isEmpty(form.email))
            alertUser("email", form.email);
        else
            return true;
        return false;
    }

    function alertUser(fullname, field) {
        field.focus();
        alert("Please fill in your "+fullname);
    }

    function isEmpty(field) {
        field.value = trim(field.value);
        if (field.value.length == 0)
            return true;
        else 
            return false;
    }

    function trim(string) {
        return (string.replace(/^\s*/, "")).replace(/\s*$/, "");
    }
-->