$(document).ready(function(){
  var currentPosition = 0;
  var slideWidth = 494;
  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);

  // 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;
	if(currentPosition>=slides.length){
		var cycleAmount = Math.floor(currentPosition/slides.length);
		currentPosition = currentPosition - (slides.length*cycleAmount);
	}
	Animation(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() }
  }	

	function Animation(currentPosition){
		clearInterval(Imagetimer);
		// Hide / show controls
		if(currentPosition==slides.length){
			var currentPosition = 0;
			manageControls(0);
			// Move slideInner using margin-left
			$('#slideInner').animate({
			  'marginLeft' : slideWidth*(-currentPosition)
			});
		}else{
			manageControls(currentPosition);
			// Move slideInner using margin-left
			$('#slideInner').animate({
			  'marginLeft' : slideWidth*(-currentPosition)
			});
		}
		Interval(currentPosition);
	}

	function Interval(currentPosition) {
		Imagetimer = setInterval(function(){currentPosition = currentPosition+1;
		Animation(currentPosition);}, 5000 );
	}

	Interval(currentPosition);
	
});