// JavaScript Document
$(document).ready(function () {
    var currentPosition = 0;
    var slideWidth = 940;
    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"></span>')
    .append('<span class="control" id="rightControl"></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;
        // alert(currentPosition);
        if (currentPosition < 0) {
            currentPosition = 0;
        }
        // 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').hide() } else { $('#leftControl').show() }
        // Hide right arrow if position is last slide
        if (position == numberOfSlides - 1) { $('#rightControl').hide() } else { $('#rightControl').show() }
    }


    //Manage Auto Play 
    $(document).everyTime(7000, function () {
        //        if (currentPosition >= slideWidth * numberOfSlides) {
        //            currentPosition = 0;
        //        }
        if (currentPosition * -1 >= numberOfSlides - 1) {

            currentPosition = 0;
        }
        else if (currentPosition > 0) {
            currentPosition = currentPosition * -1;
        }
        else {
            currentPosition = currentPosition - 1;

        }

        // Move slideInner using margin-left
        $('#slideInner').animate({
            'marginLeft': slideWidth * (currentPosition)

        });
        // Hide / show controls
        manageControls(currentPosition * -1);


    });

    //End Of Document.ready
});