/////////////////////////
/// Props goto Jacob Gube
/// http://sixrevisions.com/tutorials/javascript_tutorial/create-a-slick-and-accessible-slideshow-using-jquery/
/////////////////////////

// delay
	  
var intval;

$(document).ready(function(){	
  var currentPosition = 0;
  var slideWidth = 680;
  var slides = $('.slide');
  var numberOfSlides = slides.length;
  var slideSpeed = 10000;
  $('#1').hide();
  $('#2').hide();

function slideNum(){
  var curplus = currentPosition + 1;	
	$('#' + curplus).show();

if(currentPosition == 0){
	$('#one').removeClass('slideBox').addClass('box1');
	$('#two').removeClass('box1').addClass('slideBox');
	$('#three').removeClass('box1').addClass('slideBox');
	$('#four').removeClass('box1').addClass('slideBox');		
}else if(currentPosition == 1){
	$('#two').removeClass('slideBox').addClass('box1');
	$('#one').removeClass('box1').addClass('slideBox');
	$('#three').removeClass('box1').addClass('slideBox');
	$('#four').removeClass('box1').addClass('slideBox');		

}else if(currentPosition == 2){
	$('#three').removeClass('slideBox').addClass('box1');
	$('#two').removeClass('box1').addClass('slideBox');
	$('#one').removeClass('box1').addClass('slideBox');
	$('#four').removeClass('box1').addClass('slideBox');		

}else if(currentPosition == 3){
	$('#four').removeClass('slideBox').addClass('box1');
	$('#two').removeClass('box1').addClass('slideBox');
	$('#three').removeClass('box1').addClass('slideBox');
	$('#one').removeClass('box1').addClass('slideBox');		

}
}

slideNum();

$("#one").click(function(){
	$(this).removeClass('slideBox').addClass('box1');
	$('#two').removeClass('box1').addClass('slideBox');
	$('#three').removeClass('box1').addClass('slideBox');
	$('#four').removeClass('box1').addClass('slideBox');		
 clearInterval(intval)
 currentPosition = 0 
 // Move slideInner using margin-left
 $('#slideInner').animate({'margin-left' : slideWidth*(-currentPosition)}, 2000), slideSpeed, {easing: 'swing'}; 
	  
});

$("#two").click(function(){
	$(this).removeClass('slideBox').addClass('box1');
	$('#one').removeClass('box1').addClass('slideBox');
	$('#three').removeClass('box1').addClass('slideBox');
	$('#four').removeClass('box1').addClass('slideBox');
	$('#1').show();		
	
 clearInterval(intval)
 currentPosition = 1 
 // Move slideInner using margin-left
 $('#slideInner').animate({'margin-left' : slideWidth*(-currentPosition)}, 2000), slideSpeed, {easing: 'swing'}; 
	  
});

$("#three").click(function(){
	$('#2').show();	
	$(this).removeClass('slideBox').addClass('box1');
	$('#two').removeClass('box1').addClass('slideBox');
	$('#one').removeClass('box1').addClass('slideBox');
	$('#four').removeClass('box1').addClass('slideBox');		
	
 clearInterval(intval)
 currentPosition = 2 
 // Move slideInner using margin-left
 $('#slideInner').animate({'margin-left' : slideWidth*(-currentPosition)}, 2000), slideSpeed, {easing: 'swing'}; 
	  
});

$("#four").click(function(){
	$('#3').show();	
	$(this).removeClass('slideBox').addClass('box1');
	$('#two').removeClass('box1').addClass('slideBox');
	$('#three').removeClass('box1').addClass('slideBox');
	$('#one').removeClass('box1').addClass('slideBox');		
	
 clearInterval(intval)
 currentPosition = 3 
 // Move slideInner using margin-left
 $('#slideInner').animate({'margin-left' : slideWidth*(-currentPosition)}, 2000), slideSpeed, {easing: 'swing'};
	  
});

  // 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')
//    .append('<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(currentPosition);

  // Create event listeners for .controls clicks
  $('.control')
    .bind('click', function(){
     clearInterval(intval)	 
  intval= setInterval(function() {
  slideNum();
 if(currentPosition==numberOfSlides-1){ currentPosition = 0 } else{ currentPosition = currentPosition+1 }

 // Hide / show controls
 manageControls(currentPosition);
 // Move slideInner using margin-left
 $('#slideInner').animate({
 'marginLeft' : slideWidth*(-currentPosition),
 left : '+=50'
 });
 }, slideSpeed);  
 
         
  // Determine new position
      currentPosition = ($(this).attr('id')=='rightControl')
    ? currentPosition+1 : currentPosition-1;

      // Hide / show controls
      manageControls(currentPosition);
      // Move slideInner using margin-left
      $('#slideInner').animate({
        'marginLeft' : slideWidth*(-currentPosition)}, {easing: 'swing', duration: 1000});});


  // 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() }
    }


intval= setInterval(function() {	
 if(currentPosition==numberOfSlides-1){ 
 	currentPosition = 0	 
 }else{ 
    currentPosition = currentPosition+1 
	
 }
 	 slideNum();
 
 // Hide / show controls
 manageControls(currentPosition);
 // Move slideInner using margin-left
 $('#slideInner').animate({'marginLeft' : slideWidth*(-currentPosition)}, 2000);}, slideSpeed, {easing: 'swing'});

});