function _surrenderHidePopup()
{
    var displayElement = _oE( "popup" );
    displayElement.style.visibility = "hidden";
    _oE( "popup-content" ).innerHTML = "";
}


function _surrenderHideSubmit()
{
    _oE( "submitting" ).style.visibility = "hidden";
    _oE( "submitting-ok-button" ).style.visibility = "hidden";
}


function _surrenderShowPopup()
{
    var displayElement = _oE( "popup" );
    displayElement.style.visibility = "visible";
}


function _surrenderShowSubmit()
{
    var displayElement = _oE( "submitting" );
    displayElement.style.visibility = "visible";
}


function _surrenderSubmitForm()
{
    var showPopup = false;
    var popupContent = _oE( "popup-content" );
    popupContent.innerHTML = "";

    var name = _v( "a_name" );
    var email = _v( "a_email" );
    var phone = _v( "a_phone" );
    var location = _v( "a_location" );
    var rescueName = _v( "a_rescue_name" );
    var catName = _v( "a_cat_name" );
    var catDescription = _v( "a_cat_description" );
    var catAge = _v( "a_cat_age" );
    var catVettedNo = _c( "a_cat_vetted_no" );
    var catVettedYes = _c( "a_cat_vetted_yes" );
    var catVettedDetails = _v( "a_cat_vetted_details" );
    var catFriend = _v( "a_cat_friend" );
    var catRequirements = _v( "a_cat_reqs" );
    var catHistory = _v( "a_cat_history" );
    var transportGreely = _c( "a_trans_greely" );
    var transportEmbrun = _c( "a_trans_embrun" );
    var transportNone = _c( "a_trans_pickup" );
    var iAccept = _c( "a_surrender_yes" );

    if ( name == null )
    {
        showPopup = true;
        popupContent.innerHTML += "<strong>Name</strong><br />";
    }

    if ( phone == null )
    {
        showPopup = true;
        popupContent.innerHTML += "<strong>Phone Number</strong><br />";
    }

    if ( email == null )
    {
        showPopup = true;
        popupContent.innerHTML += "<strong>Email Address</strong><br />";
    }

    if ( location == null )
    {
        showPopup = true;
        popupContent.innerHTML += "<strong>Location</strong><br />";
    }

    if ( rescueName == null )
    {
        showPopup = true;
        popupContent.innerHTML += "<strong>Are you affiliated with a rescue?</strong><br />";
    }

    if ( catDescription == null )
    {
        showPopup = true;
        popupContent.innerHTML += "<strong>Description of Cat</strong><br />";
    }

    if ( catAge == null )
    {
        showPopup = true;
        popupContent.innerHTML += "<strong>Approximate Age of Cat</strong><br />";
    }

    if ( !(catVettedNo || catVettedYes) )
    {
        showPopup = true;
        popupContent.innerHTML += "<strong>Has the cat been vetted/sterilized?</strong><br />";
    }

    if ( !(transportGreely || transportEmbrun || transportNone) )
    {
        showPopup = true;
        popupContent.innerHTML += "<strong>Are you able to transport to Greely or Embrun, or do you require a pick up?</strong><br />";
    }

    if ( iAccept === false )
    {
        showPopup = true;
        popupContent.innerHTML += "<strong>Please accept the terms of the Intake/Surrender form.</strong><br />";
    }

    if ( showPopup )
    {
        _surrenderShowPopup();
        return;
    }

    _oE( "submitting-ok-button" ).style.visibility = "hidden";
    _oE( "submitting-title" ).innerHTML = "Submitting Your Information";
    _oE( "submitting-content" ).innerHTML = "Please hang on while we submit your request.";
    _surrenderShowSubmit();

    var xhttp = new XMLHttpRequest();
    xhttp.onreadystatechange = function () {
        if ( this.status >= 400 )
        {
            _oE( "submitting-title" ).innerHTML = "We're Sorry";
            _oE( "submitting-ok-button" ).style.visibility = "visible";
            _oE( "submitting-content" ).innerHTML = "Something went wrong on our end handling your request. Please try again soon.";
        }
        else if ( this.status == 200 )
        {
            _oE( "submitting-title" ).innerHTML = "Thank You!";
            _oE( "submitting-ok-button" ).style.visibility = "visible";
            _oE( "submitting-content" ).innerHTML = "Your request has been received! Thank you! We will be in touch as soon as possible.";
        }
    };

    xhttp.open( "POST", "/handle/surrenderform", true );
    xhttp.setRequestHeader( "Content-type", "application/x-www-form-urlencoded" );

    var _catName = catName === null ? "None Submitted" : catName;
    var _catFriend = catFriend === null ? "None Submitted" : catFriend;
    var _catHistory = catHistory === null ? "None Submitted" : catHistory;
    var _catRequirements = catRequirements === null ? "None Submitted" : catRequirements;
    var _catVettedDetails = catVettedDetails === null ? "unknown" : catVettedDetails;
    var transportChoice = transportGreely ? "greely" : transportEmbrun ? "embrun" : "pickup";

    var data = "name=" + encodeURIComponent( name )
        + "&email=" + encodeURIComponent( email )
        + "&phone=" + encodeURIComponent( phone )
        + "&location=" + encodeURIComponent( location )
        + "&rsqname=" + encodeURIComponent( rescueName )
        + "&catname=" + encodeURIComponent( _catName )
        + "&catdesc=" + encodeURIComponent( catDescription )
        + "&catage=" + encodeURIComponent( catAge )
        + "&catvetted=" + encodeURIComponent( catVettedYes ? "Yes" : "No" )
        + "&catvetdetails=" + encodeURIComponent( _catVettedDetails )
        + "&catfriend=" + encodeURIComponent( _catFriend )
        + "&catreqs=" + encodeURIComponent( _catRequirements )
        + "&cathistory=" + encodeURIComponent( _catHistory )
        + "&cattransport=" + encodeURIComponent( transportChoice );

    xhttp.send( data );
}

function _c( __id )
{
    return _oE( __id ).checked === true;
}

function _v( __id )
{
    var value = _oE( __id ).value;

    if ( typeof value == "string" )
    {
        value = value.trim();
        if ( value === "" )
        {
            value = null;
        }
    }

    return _uton( value );
}

function _oE( __id )
{
    var toReturn = document.getElementById( __id );

    if ( _uton( toReturn ) == null )
    {
        return {};
    }

    return toReturn;
}

function _uton( _ )
{
    if ( typeof _ === "undefined" )
    {
        return null;
    }
    return _;
}