/* Author: 

*/


$(document).ready(function(){
		  var currentPosition = 0;
		  var slideWidth = 900;
		  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);


		  // 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() }
		  }	
		});