﻿        $(document).ready(function() {
            var currentPosition = 0;
            var slideWidth = 515;
            var slides = $('.slide');
            var numberOfSlides = slides.length;

            // Remove scrollbar in JS
            $('#slidesContainer').css('overflow', 'hidden');

            // Wrap all .slides with #slideInner div
            slides
    .wrapAll('<div id="slideInner"></div>')
            // Float left to display horizontally, readjust .slides width
	.css({
	    'float': 'left',
	    'width': slideWidth
	});

            // Set #slideInner width equal to total width of all slides
            $('#slideInner').css('width', slideWidth * numberOfSlides);

            // Insert controls in the DOM
            $('#slideshow')
    .prepend('<span class="control" id="leftControl">Clicking moves left</span>')
    .append('<span class="control" id="rightControl">Clicking moves right</span>');

            // Hide left arrow control on first load
            manageControls(currentPosition);

            // Create event listeners for .controls clicks
            $('.control')
    .bind('click', function() {
        // Determine new position
        currentPosition = ($(this).attr('id') == 'rightControl') ? currentPosition + 1 : currentPosition - 1;

        // Hide / show controls
        manageControls(currentPosition);
        // Move slideInner using margin-left
        $('#slideInner').animate({
            'marginLeft': slideWidth * (-currentPosition)
        });
    });

            // manageControls: Hides and Shows controls depending on currentPosition
            function manageControls(position) {
                // Hide left arrow if position is first slide
                if (position == 0) {
                    $('#leftControl').fadeOut('slow')
                } else {
                    $('#leftControl').fadeIn('slow')
                }
                // Hide right arrow if position is last slide
                if (position == numberOfSlides - 1) {
                    $('#rightControl').fadeOut('slow')
                } else {
                    $('#rightControl').fadeIn('slow')
                    }
            }
        });
