$(document).ready(function(){

  var stopSliding = false; 
  var currentPosition = 0;
  var slideWidth = 560;
  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 left and right arrow controls in the DOM
  $('#slideshow')
    .prepend('<span class="control" id="leftControl">Move left</span>')
    .append('<span class="control" id="rightControl">Move right</span>');

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

  // Create event listeners for .controls clicks
  $('.control')
    .bind('click', function(){
	  currentPosition = moveArticleSlide(this, currentPosition);
      stopSliding = true;
    });


  // ------------------------------------ //
  
  
  // 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() }
  }
	
	
  function moveArticleSlide(button, currentPosition) {
  
    // Determine new position
    currentPosition = ($(button).attr('id')=='rightControl') ? currentPosition+1 : currentPosition-1;
    if(currentPosition == 3) currentPosition = 0;

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

  
  // ------------------------------------ //
  
  $(document).everyTime(10000,function() {
    if (stopSliding == false) {
   	//$('#rightControl').click();
	  currentPosition = moveArticleSlide($('#rightControl'), currentPosition);
    }
  });
	
})