function validateUniqueUser() {
    if (_txtFirstName[0].value == "" || _txtLastName[0].value == "" || _txtEmail[0].value == "")
        return true;

    var v = "";

    PageMethods.IsUniqueUser(_txtFirstName[0].value, _txtLastName[0].value, _txtEmail[0].value, function(response) {

        if (response == false) {
            $("#_divDuplicateWarning").fadeIn(1000);
        }
        else {
            $("#_divDuplicateWarning").fadeOut(1000);
        }
    });
}

function validateConsent() {
    if (_chkConsent.checked){

        //PageMethods.SaveConsent(_chkProject.checked, _chkFocus.checked, _chkPhoto.checked, function() { window.location = 'Default.aspx'; }, function() { });
        return true;
    }
    else {
        _errConsent.innerHTML = '* Required';
        return false;
    }
}

function NarativeCheckChanged(checkbox) {
    if (checkbox.checked) {
        for (var i = 0; i < _ddlScience.length; i++) {
            if (_ddlScience[i].text == 'N/A')
                _ddlScience[i].selected = true;
            else
                _ddlScience[i].selected = false;
        }

        for (var i = 0; i < _ddlMath.length; i++) {
            if (_ddlMath[i].text == 'N/A')
                _ddlMath[i].selected = true;
            else
                _ddlMath[i].selected = false;
        }

        _txtGpa[0].disabled = true;
        _txtGpa[0].value = '';
        _ddlScience.disabled = true;
        _ddlMath.disabled = true;
        ValidatorEnable(_valGpaReq[0], false);
        ValidatorEnable(_valGpaRng[0], false);
    }
    else {
        for (var i = 0; i < _ddlScience.length; i++) {
            if (_ddlScience[i].text == '')
                _ddlScience[i].selected = true;
            else
                _ddlScience[i].selected = false;
        }

        for (var i = 0; i < _ddlMath.length; i++) {
            if (_ddlMath[i].text == '')
                _ddlMath[i].selected = true;
            else
                _ddlMath[i].selected = false;
        }

        _txtGpa[0].disabled = false;
        _ddlScience.disabled = false;
        _ddlMath.disabled = false;
        ValidatorEnable(_valGpaReq[0], true);
        ValidatorEnable(_valGpaRng[0], true);
    }
}