jQuery(document).ready(function($){
  var currentPosition = 0;
  var slideWidth = 960;
  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();

/*  $('.control').bind('click' , function () {
    rotateImages();
  });*/
  // Create event listeners for .controls clicks
  $('.control')
    .bind('click', function(){
    // Determine new position
    //console.log("click currentPosition:" + currentPosition);
      currentPosition = ($(this).attr('id')=='rightControl')
    ? currentPosition+1 : currentPosition-1;

      // Hide / show controls
      manageControls(currentPosition);
      // Move slideInner using margin-left
      $('#slideInner').animate({
        'marginLeft' : slideWidth*(-currentPosition)
      }, { duration: 900});
    });
   
  //autorotate the images 
  window.setInterval(function() {
    rotateImages();
    }, 10000);
  
  // manageControls: Hides and shows controls depending on currentPosition
  function manageControls(){
    // Hide left arrow if position is first slide
    //console.log("position " + position);
    if(currentPosition==0){ $('#leftControl').hide() }
    else{ $('#leftControl').show() }
    // Hide right arrow if position is last slide
    if(currentPosition==numberOfSlides-1){ $('#rightControl').hide() }
    else{ $('#rightControl').show() }
    }
    
  function rotateImages() {
  
  // Determine new position
      currentPosition = currentPosition + 1;
      //console.log("currentPosition" + currentPosition + " numberOfSlides " + numberOfSlides);

      if (currentPosition >= numberOfSlides) {
            currentPosition = 0;
            manageControls();

            $('#slideInner').css({
                              'marginLeft' : slideWidth*currentPosition
                                    });
      } else {
      // Move slideInner using margin-left
        manageControls();
      $('#slideInner').animate({
        'marginLeft' : slideWidth*(-currentPosition)
      }, { duration: 900});
    }
  }
});