// Slider for the Start Page
$(document).ready(function(){						   
  var currentPosition = 0;
  var slideWidth = 480;
  var slides = $('.slide');
  var numberOfSlides = slides.length;
  $('#slidesContainer').css('overflow', 'hidden');
  slides
    .wrapAll('<div id="slideInner"></div>')
	.css({'float':'left','width':slideWidth});
  $('#slideInner').css('width', slideWidth * numberOfSlides);
  $('#slideshow')
    .prepend('<span class="button" id="leftButton">Clicking moves left</span>')
    .append('<span class="button" id="rightButton">Clicking moves right</span>');
  manageControls(currentPosition);
  $('.button')
    .bind('click', function(){
	currentPosition = ($(this).attr('id')=='rightButton') ? currentPosition+1 : currentPosition-1;
    manageControls(currentPosition);
    $('#slideInner').animate({'marginLeft':slideWidth*(-currentPosition)});
  });
  function manageControls(position){
	if(position==0){ $('#leftButton').hide() } 
		else{ $('#leftButton').show() }
    if(position==numberOfSlides-1){ $('#rightButton').hide() } 
		else{ $('#rightButton').show() }
  }  
});