$(document).ready(function() {
    var currentPosition = 0;
    var slideWidth = 561;
    var slides = $('.slide');
    var numberOfSlides = slides.length;

    // Remove scrollbar in JS
    $('#slidesContainer').css('overflow', 'hidden');

    // Wrap all .slides with #slideInner div
    //$('.slide').wrapAll('<div id="slideInner"></div>');
    // Float left to display horizontally, readjust .slides width
    //slides.css({
    //  'float' : 'left',
    //  'width' : slideWidth
    //});

    // Set #slideInner width equal to total width of all slides
    //$('#slideInner').css('width', slideWidth * numberOfSlides);

    // Insert left and right arrow controls in the DOM
    //$('#slidesContainer')
    //  .prepend('<span class="control" id="leftControl">Move left</span>')
    //  .append('<span class="control" id="rightControl">Move right</span>');


    // manageControls: Hides and shows controls depending on currentPosition
    function manageControls(position) {
        // Hide left arrow if position is first slide
        if (position == 0) { $('#leftControl img').attr('src', 'img/pix.gif'); }
        else { $('#leftControl img').attr('src', 'img/control_left_1.jpg'); }
        // Hide right arrow if position is last slide
        if (position == numberOfSlides - 1) { $('#rightControl').hide() }
        else { $('#rightControl').show() }
    }

    // Hide left arrow control on first load
    manageControls(currentPosition);

    // Create event listeners for .controls clicks
    $('.control')
    .bind('click', function() {
        //google event
        _gaq.push(['_trackEvent', 'Default', 'Clicks', $(this).attr('id')]);

        // Determine new position
        currentPosition = ($(this).attr('id') == 'rightControl')
    ? currentPosition + 1 : currentPosition - 1;

        if (currentPosition < 0) currentPosition = 0;


        // Hide / show controls
        manageControls(currentPosition);
        // Move slideInner using margin-left
        $('#slideInner').animate({
            'marginLeft': slideWidth * (-currentPosition)
        });
    });


});