$(document).ready(function(){
  var currentPosition = 0;
  var slideWidth = 190;
  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="control" id="leftControl">left</span>')
    .append('<span class="control" id="rightControl">right</span>');

  manageControls(currentPosition);
  $('#xzipup1').show().siblings().hide();

  $('.control')
    .bind('click', function(){

	currentPosition = ($(this).attr('id')=='rightControl') ? currentPosition+1 : currentPosition-1;
	
    $('#xzipup'+(currentPosition+1)).fadeIn('normal').siblings().hide();

    manageControls(currentPosition);

    $('#slideInner').animate({
      'marginLeft' : slideWidth*(-currentPosition)
    });
  });


  function manageControls(position){

	if(position==0){ $('#leftControl').hide() } else{ $('#leftControl').show() }

    if(position==numberOfSlides-1){ $('#rightControl').hide() } else{ $('#rightControl').show() }
  }	
});