$(document).ready(function() {
	//Show the paging and activate its first link
  $('#pages').show();
  $('#pages a:first').addClass('active');

  //Get size of the image, how many images there are, then determin the size of the image reel.
  var windowWidth = $('.item').width();
  var itemSum = $('.item').size();
  var reelWidth = windowWidth * itemSum;

  //Adjust the image reel to its new size
  $('#slider_reel').css({'width' : reelWidth});
  
  //Paging and Slider Function
  rotate = function(){
      var triggerID = $active.attr("rel") - 1; //Get number of times to slide
      var reelPosition = triggerID * windowWidth; //Determines the distance the image reel needs to slide

      $('#pages a').removeClass('active'); //Remove all active class
      $active.addClass('active'); //Add active class (the $active is declared in the rotateSwitch function)

      //Slider Animation
      $('#slider_reel').animate({
          left: -reelPosition
      }, 500 );

  }; 

  //Rotation and Timing Event
  rotateSwitch = function(){
      play = setInterval(function(){ //Set timer - this will repeat itself every 7 seconds
          $active = $('#pages a.active').next(); //Move to the next paging
          if ( $active.length === 0) { //If paging reaches the end...
              $active = $('#pages a:first'); //go back to first
          }
          rotate(); //Trigger the paging and slider function
      }, 7000); //Timer speed in milliseconds (7 seconds)
  };

  rotateSwitch(); //Run function on launch
  
  //On Hover
  $('#slider_window').hover(function() {
      clearInterval(play); //Stop the rotation
  }, function() {
      rotateSwitch(); //Resume rotation timer
  });	

  //On Click
  $('#pages a').click(function() {
      $active = $(this); //Activate the clicked paging
      //Reset Timer
      clearInterval(play); //Stop the rotation
      rotate(); //Trigger rotation immediately
      rotateSwitch(); // Resume rotation timer
      return false; //Prevent browser jump to link anchor
  });
});