ขอคำแนะนำเรื่อง script jQuery อยากจะ slide image แบบ auto

 <script type="text/javascript">
            $(function() {
				var animations		= ['right','left','top','bottom','rightFade','leftFade','topFade','bottomFade'];
				var total_anim		= animations.length;
				var easeType		= 'swing';
				var animSpeed		= 1200;
				var $hs_container	= $('#hs_container');
				var $hs_areas		= $hs_container.find('.hs_area');
                $hs_images          = $hs_container.find('img');
                var total_images    = $hs_images.length;
                var cnt             = 0;
                $hs_images.each(function(){
                    var $this = $(this);
                    $('<img/>').load(function(){
                        ++cnt;
                        if(cnt == total_images){
                            $hs_areas.each(function(){
                                var $area   = $(this);
                                $area.data('over',true).ready(function(){
                                    if($area.data('over')){
                                        $area.data('over',true);
					
					var total   = $area.children().length;
					var $current 	= $area.find('img:visible');
					var idx_current = $current.index();
					var $next = (idx_current == total-1) ? $area.children(':first') : $current.next();
					$next.show();
					var anim    = animations[Math.floor(Math.random()*total_anim)];                                 
					switch(anim){
					case 'right':$current.animate({'left':$current.width()+'px'},
                                            animSpeed,
                                            
                                            function(){
                                                $current.hide().css({'z-index':'1','left': '0px'});
                                                $next.css('z-index','9999');
                                                $area.data('over',true);
                                            });
												
					
					case 'left':$current.animate({'left':-$current.width()+'px'},
                                            animSpeed,
                                            
                                            function(){
                                                $current.hide().css({'z-index':'1','left':'0px'});
                                                $next.css('z-index','9999');
                                                $area.data('over',true);
                                            });
												
					
					case 'top':$current.animate({'top':-$current.height()+'px'},
                                            animSpeed,
                                            
                                            function(){$current.hide().css({'z-index':'1','top':'0px'});
                                                $next.css('z-index','9999');
                                                $area.data('over',true);
                                            });
					
					case 'bottom':$current.animate({'top':$current.height()+'px'},
                                            animSpeed,
                                            
                                            function(){$current.hide().css({'z-index':'1','top':'0px'});
                                                $next.css('z-index','9999');
                                                $area.data('over',true);
                                            });						
					
					case 'rightFade':$current.animate({'left':$current.width()+'px','opacity':'0'},
                                            animSpeed,
                                          
                                            function(){$current.hide().css({'z-index':'1','left':'0px','opacity': '1'});
                                                $next.css('z-index','9999');
                                                $area.data('over',true);
                                            });
						
					case 'leftFade':$current.animate({'left':-$current.width()+'px','opacity':'0'},
                                            animSpeed,
                                            
                                            function(){$current.hide().css({'z-index':'1','left':'0px','opacity':'1'});
                                                $next.css('z-index','9999');
                                                $area.data('over',true);
                                            });
					
					case 'topFade':$current.animate({'top':-$current.height()+'px','opacity':'0'},
                                            animSpeed,
                                            
                                            function(){$current.hide().css({'z-index' : '1','top' : '0px','opacity' : '1'});
                                                $next.css('z-index','9999');
                                                $area.data('over',true);
                                            });
						
					case 'bottomFade':$current.animate({'top':$current.height()+'px','opacity':'0'},
                                            animSpeed,
                                            
                                            function(){$current.hide().css({'z-index':'1','top'	: '0px','opacity' : '1'});
                                                $next.css('z-index','9999');
                                                $area.data('over',true);
                                            });
                                            break;
                                            default:$current.animate({'left':-$current.width()+'px'},
                                                animSpeed,
                                                
                                                function(){
                                                    $current.hide().css({'z-index' : '1','left'	: '0px'});
                                                    $next.css('z-index','9999');
                                                    $area.data('over',true);
                                                });
                                                        }
                                                    }
                                                });
                                            });
                                            }
					}).attr('src',$this.attr('src'));
				});
            });
             </script>