//<![CDATA[
$(document).ready(function(){
  var currentPosition = 0;
  var slideWidth = 612;
  var slides = $('.slide');
  var numberOfSlides = slides.length;
  var pauseTime = 5000;
  var pauseInterval = '';

  // 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 pause" id="pauseplayControl"/><\/span>')
    .append('<span class="control" id="rightControl"/><\/span>');

  // Hide left arrow control on first load
  manageControls(currentPosition);
  $('#pauseplayControl')
    .bind('click', function(){
    if ($(this).hasClass('pause')) {
   
        clearInterval(pauseInterval);
        pauseInterval = '';
        $('#pauseplayControl').removeClass('pause').addClass('play');
        
    } else {
        clearInterval(pauseInterval)
        pauseInterval = '';
        pauseInterval = setInterval(function () { playSheet(); }, pauseTime);
        $('#pauseplayControl').removeClass('play').addClass('pause');
        
    }
    
  });
  
  // Create event listeners for .controls clicks
  $('.control')
    .bind('click', function(){
    // Determine new position
    if ($(this).hasClass('pause') || $(this).hasClass('play')) {
        // do nothing
    } else
        currentPosition = ($(this).attr('id')=='rightControl') ? currentPosition+1 : currentPosition-1;
    //if (currentPosition == 0)
    if (currentPosition < 0)
        currentPosition = numberOfSlides -1 ;
    if (currentPosition >= numberOfSlides)
        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() }
    
  }
  function playSheet (){
    // Determine new position
    //currentPosition = ($(this).attr('id')=='rightControl') ? currentPosition+1 : currentPosition-1;
    currentPosition = currentPosition + 1;
    //if (currentPosition == 0)
    if (currentPosition < 0)
        currentPosition = numberOfSlides -1 ;
    if (currentPosition >= numberOfSlides)
        currentPosition = 0&amp;
    
    // Hide / show controls
    manageControls(currentPosition);
    // Move slideInner using margin-left
    $('#slideInner').animate({
      'marginLeft' : slideWidth*(-currentPosition)
    });
  }
  
  pauseInterval = setInterval(function () { playSheet(); }, pauseTime);
  
});
//]]>