$(document).ready(function(){
  var currentPosition = 0;
  var slideWidth = 940;
  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 controls in the DOM
  $('#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
  $('.control')
    .bind('click', function(){
    // Determine new position
	currentPosition = ($(this).attr('id')=='rightControl') ? currentPosition+1 : currentPosition-1;
	
    if(currentPosition == numberOfSlides){
    	currentPosition = 0;
    }
    if(currentPosition == -1){
    	currentPosition = numberOfSlides-1;
    }
    //Reset Timer
    clearInterval(play); //Stop the rotation
    
	// Hide / show controls
    manageControls(currentPosition);
    // Move slideInner using margin-left
    
    rotate(); //Trigger rotation immediately
    rotateSwitch(); // Resume rotation timer
    return false; //Prevent browser jump to link anchor
  });
  
   //On Hover
  $('#slideInner').hover(function() {
	  clearTimeout(play); //Stop the rotation
  }, function() {
	  //Rotation  and Timing Event
	  play= setInterval(function(){ //Set timer - this will repeat itself every 7 seconds
	     currentPosition = currentPosition +1;
	     if(currentPosition == numberOfSlides){
	     	currentPosition = 0;
	     }
	     if(currentPosition == -1){
	     	currentPosition = numberOfSlides-1;
	     }
	     manageControls(currentPosition);
	     rotate(); //Trigger the paging and slider function
	  }, 7000); //Timer speed in milliseconds (7 seconds) //Resume rotation timer
  });
  
  // manageControls: Hides and Shows controls depending on currentPosition
 function manageControls(position){
	    // Hide left arrow if position is first slide
		if(position==0){ $('#leftControl').show() } else{ $('#leftControl').show() }
			// Hide right arrow if position is last slide
	    if(position==numberOfSlides-1){ $('#rightControl').show() } else{ $('#rightControl').show() }
 }	

  //Paging  and Slider Function
 function rotate(){
	    $('#slideInner').animate({
	        'marginLeft' : slideWidth*(-currentPosition)
	      });
 }; 
 
  //Rotation  and Timing Event
  play= setInterval(function(){ //Set timer - this will repeat itself every 7 seconds
     currentPosition = currentPosition +1;
     if(currentPosition == numberOfSlides){
     	currentPosition = 0;
     }
     if(currentPosition == -1){
     	currentPosition = numberOfSlides-1;
     }
     manageControls(currentPosition);
     rotate(); //Trigger the paging and slider function
  }, 7000); //Timer speed in milliseconds (7 seconds)
 
});
