// JavaScript Document

<!--JAVASCRIPT NEEDED FOR SLIDESHOW1-->


$(document).ready(function(){
  var currentPosition3 = 0;
  var slideWidth3 = 500;
  var slides3 = $('.slide3');
  var numberOfSlides3 = slides3.length;

  // Remove scrollbar in JS
  $('#slidesContainer3').css('overflow', 'hidden');

  // Wrap all .slides with #slideInner div
  slides3
    .wrapAll('<div id="slideInner3"></div>')
    // Float left to display horizontally, readjust .slides width
	.css({
      'float' : 'left',
      'width' : slideWidth3
    });

  // Set #slideInner width equal to total width of all slides
  $('#slideInner3').css('width', slideWidth3 * numberOfSlides3);

  // Insert controls in the DOM
  $('#slideshow3')
    .prepend('<span class="control3" id="leftControl3">Clicking moves left</span>')
    .append('<span class="control3" id="rightControl3">Clicking moves right</span>');

  // Hide left arrow control on first load
  manageControls(currentPosition3);

  // Create event listeners for .controls clicks
  $('.control3')
    .bind('click', function(){
    // Determine new position
	currentPosition3 = ($(this).attr('id')=='rightControl3') ? currentPosition3+1 : currentPosition3-1;
    
	// Hide / show controls
    manageControls(currentPosition3);
    // Move slideInner using margin-left
    $('#slideInner3').animate({
      'marginLeft' : slideWidth3*(-currentPosition3)
    });
  });

  // manageControls: Hides and Shows controls depending on currentPosition
  function manageControls(position){
    // Hide left arrow if position is first slide
	if(position==0){ $('#leftControl3').hide() } else{ $('#leftControl3').show() }
	// Hide right arrow if position is last slide
    if(position==numberOfSlides3-1){ $('#rightControl3').hide() } else{ $('#rightControl3').show() }
  }	
});