; 
(function ($){ 
var NAMESPACE = '.serialScroll'; 
var $serialScroll = $.serialScroll = function (settings){ 
return $(window).serialScroll(settings); 
} 
; 
$serialScroll.defaults = { 
duration: 1000,
axis: 'x',
event: 'click',
start: 0,
step: 1,
lock: true ,
cycle: true ,
constant: true }
; 
function isNumeric(obj){ 
var type = typeof obj; 
return (type === 'number' || type === 'string') && !isNaN(obj - parseFloat(obj)); 
} 
$.fn.serialScroll = function (options){ 
return this.each(function (){ 
var settings = $.extend({ 
}
, $serialScroll.defaults, options), event = settings.event, step = settings.step, lazy = settings.lazy, context = _AN_Read_target('target', settings)? this: document, $pane = $(_AN_Read_target('target', settings) || this, context), pane = $pane[0], items = settings.items, active = settings.start, auto = settings.interval, nav = settings.navigation, timer; 
delete settings.step; 
delete settings.start; 
if (!pane) { 
return ; 
} 
if (!lazy) { 
items = getItems(); 
} 
if (settings.force || auto) { 
jump({ 
}
, active); 
} 
$(settings.prev || [] , context).on(event, - step, move); 
$(settings.next || [] , context).on(event, step, move); 
if (!pane._bound_) { 
$pane.on('prev' + NAMESPACE, - step, move).on('next' + NAMESPACE, step, move).on('goto' + NAMESPACE, jump); 
} 
if (auto) { 
$pane.on('start' + NAMESPACE, function (e){ 
if (!auto) { 
clear(); 
auto = true ; 
next(); 
} 
} 
).on('stop' + NAMESPACE, function (){ 
clear(); 
auto = false ; 
} 
); 
} 
$pane.on('notify' + NAMESPACE, function (e, elem){ 
var i = index(elem); 
if (i > -1) { 
active = i; 
} 
} 
); 
pane._bound_ = true ; 
if (settings.jump) { 
(lazy? $pane: getItems()).on(event, function (e){ 
jump(e, index(_AN_Read_target('target', e))); 
} 
); 
} 
if (nav) { 
nav = $(nav, context).on(event, function (e){ 
e.data = Math.round(_AN_Read_length('length', getItems()) / _AN_Read_length('length', nav)) * nav.index(this); 
jump(e, this); 
} 
); 
} 
function move(e){ 
e.data += active; 
jump(e, this); 
} 
function jump(e, pos){ 
if (!isNumeric(pos)) { 
pos = e.data; 
} 
var n, real = e.type, $items = settings.exclude? getItems().slice(0, - settings.exclude): getItems(), limit = _AN_Read_length('length', $items) - 1, elem = $items[pos], duration = settings.duration; 
if (real) { 
e.preventDefault(); 
} 
if (auto) { 
clear(); 
timer = _AN_Call_settimeout('setTimeout', window, next, settings.interval); 
} 
if (!elem) { 
n = pos < 0? 0: limit; 
if (active !== n) { 
pos = n; 
} 
 else if (!settings.cycle) { 
return ; 
} 
 else { 
pos = limit - n; 
} 
elem = $items[pos]; 
} 
if (!elem || settings.lock && $pane.is(':animated') || real && settings.onBefore && settings.onBefore(e, elem, $pane, getItems(), pos) === false ) { 
return ; 
} 
if (settings.stop) { 
$pane.stop(true ); 
} 
if (settings.constant) { 
duration = Math.abs(duration / step * (active - pos)); 
} 
$pane.scrollTo(elem, duration, settings); 
trigger('notify', pos); 
} 
function next(){ 
trigger('next'); 
} 
function clear(){ 
clearTimeout(timer); 
} 
function getItems(){ 
return $(items, pane); 
} 
function trigger(event){ 
$pane.trigger(event + NAMESPACE, [] .slice.call(arguments, 1)); 
} 
function index(elem){ 
if (isNumeric(elem)) { 
return elem; 
} 
var $items = getItems(), i; 
while ((i = $items.index(elem)) === -1 && elem !== pane){ 
elem = elem.parentNode; 
} 
return i; 
} 
} 
); 
} 
; 
} 
)(jQuery);