
jQuery(document).ready(function(){
  var currentPosition = 0;
  var slideWidth = 880;
  var slides = jQuery('.slide');
  var numberOfSlides = slides.length;
  var slidingStoped = false;

  // Remove scrollbar in JS
  jQuery('#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
  jQuery('#slideInner').css('width', slideWidth * numberOfSlides);

  // Insert controls in the DOM
  jQuery('#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
  jQuery('.control')
    .bind('click', function(){
    // Determine new position
	currentPosition = (jQuery(this).attr('id')=='rightControl') ? currentPosition+1 : currentPosition-1; 
	slidingStoped = true;
	slide();
  });
  
  function slide(){
	  // Hide / show controls
	  manageControls(currentPosition);
	  // Move slideInner using margin-left
	  jQuery('#slideInner').animate({
		  'marginLeft' : slideWidth*(-currentPosition)
	  });	  
  }
  
  function autoSlide(){
	  if( slidingStoped == false ){
		  if(currentPosition < numberOfSlides-1){
			  currentPosition+=1;
		  } else {
			  currentPosition=0;
		  }
		  slide();
		  setTimeout(autoSlide, 8000);		  
	  }
  }
  setTimeout(autoSlide, 8000);
    
  // manageControls: Hides and Shows controls depending on currentPosition
  function manageControls(position){
    // Hide left arrow if position is first slide
	if(position==0){ jQuery('#leftControl').hide() } else{ jQuery('#leftControl').show() }
	// Hide right arrow if position is last slide
    if(position==numberOfSlides-1){ jQuery('#rightControl').hide() } else{ jQuery('#rightControl').show() }
  }	
});
;

