A continous side scrolling jquery plugin

jquery.sidescroll.js

// jquery.sidescroll.js
// https://gist.github.com/3137543

// A continous side scrolling jquery plugin
// How to use:
// $( 'ul.slideshow' ).sideScroll()

(function JQUERY_SIDE_SCROLL( $ ) {
    $.sideScroll = {
        defaults: {
            itemWidth: 320,
            itemMargin: 10,
            itemDuration: 5000,
            gpuAccelerate: true
        }
    };
    $.fn.sideScroll = function INIT_SIDE_SCROLL( options ) {
        options = $.extend( $.sideScroll.defaults, options||{} );
        var list = this,
              slides = list.children(),
              length = slides.length,
              itemWidth = options.itemWidth + options.itemMargin,
              firstElement =  list.children( ':first' );
              left = 0,

              // at end of animating slide, change slide order, and animate again
              animateNext = function NEXT_ANIMATE_SIDE_SCROLL() {
                  list.append( firstElement ).css( 'left', left );
                  animateSlide();
                  firstElement = list.children( ':first' );
              },

              // animate single slide
              animateSlide = function ANIMATE_SLIDE_SIDE_SCROLL() {
                  list.animate( {
                      left: '-=' + itemWidth
                  }, options.itemDuration, 'linear', animateNext);
              };

        // initialize css for animation
        (function INIT_CSS_SIDE_SCROLL() {
            list.width( length * itemWidth )
                 .css( {
                     position: 'absolute',
                     zIndex: 1,
                     left: left
                 } )
                 .find( 'a' ).css( 'display', 'block' );
            list.find( 'img' ).css( {
                     display: 'block',
                     maxWidth: itemWidth + 'px'
                 } );

            // accelerate graphics in webkit & firefox
            if ( options.gpuAccelerate ) {
                list.parent().css( {
                      '-webkit-perspective': 1000,
                      '-webkit-backface-visibility': 'hidden',
                      '-moz-perspective': '1px',
                      '-moz-perspective-origin': '0%'
                } );
            }

            slides.each( function(i) {
                // standardize item widths
                slides.eq(i).width( options.itemWidth );
            });
        })();

        // stop animation on hover
        list.hover( function HOVER_SIDE_SCROLL() {

            list.stop();
            left = parseInt( list.css( 'left' ), 10 );

        }, animateSlide);

        // begin animation
        animateSlide();

        return this.each( function(){} );
    };
})( jQuery );