$(document).ready(function(){
  var currentPosition = 0;
  var slideWidth = 355;
  var slides = $('.cykle_ikony');
  var numberOfSlides = slides.length;

  // Remove scrollbar in JS
  $('#cykle-kontener').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
  $('#cykle')
    .prepend('<span class="dolny2 zolty fl control" id="leftControl">Poprzednie</span>')
    .append('<span class="dolny zolty fr control" id="rightControl">Nastepne</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;
    	// 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()
		}
  }	

});