// JavaScript Document

<!--JAVASCRIPT NEEDED FOR SLIDESHOW7-->


$(document).ready(function(){
  var currentPosition7 = 0;
  var slideWidth7 = 500;
  var slides7 = $('.slide7');
  var numberOfSlides7 = slides7.length;

  // Remove scrollbar in JS
  $('#slidesContainer7').css('overflow', 'hidden');

  // Wrap all .slides with #slideInner div
  slides7
    .wrapAll('<div id="slideInner7"></div>')
    // Float left to display horizontally, readjust .slides width
	.css({
      'float' : 'left',
      'width' : slideWidth7
    });

  // Set #slideInner width equal to total width of all slides
  $('#slideInner7').css('width', slideWidth7 * numberOfSlides7);

  // Insert controls in the DOM
  $('#slideshow7')
    .prepend('<span class="control7" id="leftControl7">Clicking moves left</span>')
    .append('<span class="control7" id="rightControl7">Clicking moves right</span>');

  // Hide left arrow control on first load
  manageControls(currentPosition7);

  // Create event listeners for .controls clicks
  $('.control7')
    .bind('click', function(){
    // Determine new position
	currentPosition7 = ($(this).attr('id')=='rightControl7') ? currentPosition7+1 : currentPosition7-1;
    
	// Hide / show controls
    manageControls(currentPosition7);
    // Move slideInner using margin-left
    $('#slideInner7').animate({
      'marginLeft' : slideWidth7*(-currentPosition7)
    });
  });

  // manageControls: Hides and Shows controls depending on currentPosition
  function manageControls(position){
    // Hide left arrow if position is first slide
	if(position==0){ $('#leftControl7').hide() } else{ $('#leftControl7').show() }
	// Hide right arrow if position is last slide
    if(position==numberOfSlides7-1){ $('#rightControl7').hide() } else{ $('#rightControl7').show() }
  }	
});