/**
* jquery.scrollable 1.0.2. Put your HTML scroll.
*
* Copyright (c) 2009 Tero Piirainen
* http://flowplayer.org/tools/scrollable.html
*
* Dual licensed under MIT and GPL 2+ licenses
* http://www.opensource.org/licenses
*
* Launch : March 2008
* Version : 1.0.2 - Tue Feb 24 2009 10:52:04 GMT-0000 (GMT+00:00)
*/
(function($) {
   function fireEvent(opts, name, self, arg) {
      var fn = opts[name]; if($.isFunction(fn)) {
         try {
            return fn.call(self, arg); }
         catch(error) {
            if(opts.alert) {
               alert("Error calling scrollable." + name + ": " + error); }
            else {
               throw error; }
            return false; }
         }
      return true; }
   var current = null; function Scrollable(root, conf) {
      var self = this; if(!current) {
         current = self; }
      var horizontal =!conf.vertical; var wrap = $(conf.items, root); var index = 0; var navi = root.siblings(conf.navi).eq(0); var prev = root.siblings(conf.prev).eq(0); var next = root.siblings(conf.next).eq(0); var prevPage = root.siblings(conf.prevPage).eq(0); var nextPage = root.siblings(conf.nextPage).eq(0); $.extend(self, {
         getVersion : function() {
            return[1, 0, 1]; }
         , getIndex : function() {
            return index; }
         , getConf : function() {
            return conf; }
         , getSize : function() {
            return self.getItems().size(); }
         , getPageAmount : function() {
            return Math.ceil(this.getSize() / conf.size); }
         , getPageIndex : function() {
            return Math.ceil(index / conf.size); }
         , getRoot : function() {
            return root; }
         , getItemWrap : function() {
            return wrap; }
         , getItems : function() {
            return wrap.children(); }
         , seekTo : function(i, time, fn) {
         
            time = time || conf.speed; if($.isFunction(time)) {
               fn = time; time = conf.speed; }
            if(i < 0) {
               i = 0; }
            if(i > self.getSize() - conf.size) {
               return self; }
            var item = self.getItems().eq(i); if(!item.length) {
               return self; }
            if(fireEvent(conf, "onBeforeSeek", self, i) === false) {
               return self; }
            if(horizontal) {
               var left =- (item.outerWidth(true) * i); wrap.animate( {
                  left : left}
               , time, conf.easing, fn ? function() {
                  fn.call(self); }
               : null); }
            else {
               var top =- (item.outerHeight(true) * i); wrap.animate( {
                  top : top}
               , time, conf.easing, fn ? function() {
                  fn.call(self); }
               : null); }
            if(navi.length) {
               var klass = conf.activeClass; var page = Math.ceil(i / conf.size); page = Math.min(page, navi.children().length - 1); navi.children().removeClass(klass).eq(page).addClass(klass); }
            if(i === 0) {
               prev.add(prevPage).addClass(conf.disabledClass); }
            else {
               prev.add(prevPage).removeClass(conf.disabledClass); }
            if(i >= self.getSize() - conf.size) {
               next.add(nextPage).addClass(conf.disabledClass); }
            else {
               next.add(nextPage).removeClass(conf.disabledClass); }
            current = self; index = i; fireEvent(conf, "onSeek", self, i); return self; }
         , move : function(offset, time, fn) {
            var to = index + offset; if(conf.loop && to > (self.getSize() - conf.size)) {
              //alert('ende');
               to = 0; }
            return this.seekTo(to, time, fn); }
            //return this.begin(); }
         , next : function(time, fn) {
            return this.move(1, time, fn); }
         , prev : function(time, fn) {
            return this.move( - 1, time, fn); }
         , movePage : function(offset, time, fn) {
            return this.move(conf.size * offset, time, fn); }
         , setPage : function(page, time, fn) {
            var size = conf.size; var index = size * page; var lastPage = index + size >= this.getSize(); if(lastPage) {
               index = this.getSize() - conf.size; }
            return this.seekTo(index, time, fn); }
         , prevPage : function(time, fn) {
            return this.setPage(this.getPageIndex() - 1, time, fn); }
         , nextPage : function(time, fn) {
            return this.setPage(this.getPageIndex() + 1, time, fn); }
         , begin : function(time, fn) {
            return this.seekTo(0, time, fn); }
         , end : function(time, fn) {
            return this.seekTo(this.getSize() - conf.size, time, fn); }
         , reload : function() {
            return load(); }
         , click : function(index, time, fn) {
            var item = self.getItems().eq(index); var klass = conf.activeClass; if(!item.hasClass(klass) && (index >= 0 || index < this.getSize())) {
               self.getItems().removeClass(klass); item.addClass(klass); var delta = Math.floor(conf.size / 2); var to = index - delta; if(to > self.getSize() - conf.size) {
                  to--; }
               if(to !== index) {
                  return this.seekTo(to, time, fn); }
               }
            return self; }
         }
      ); if($.isFunction($.fn.mousewheel)) {
         root.bind("mousewheel.scrollable", function(e, delta) {
            var step = $.browser.opera ? 1 :- 1; self.move(delta > 0 ? step :- step, 50); return false; }
         ); }
      prev.addClass(conf.disabledClass).click(function() {
         self.prev(); }
      ); next.click(function() {
         self.next(); }
      ); nextPage.click(function() {
         self.nextPage(); }
      ); prevPage.addClass(conf.disabledClass).click(function() {
         self.prevPage(); }
      ); if(conf.keyboard) {
         $(window).unbind("keypress.scrollable").bind("keypress.scrollable", function(evt) {
            var el = current; if(!el) {
               return; }
            if(horizontal && (evt.keyCode == 37 || evt.keyCode == 39)) {
               el.move(evt.keyCode == 37 ?- 1 : 1); return evt.preventDefault(); }
            if(!horizontal && (evt.keyCode == 38 || evt.keyCode == 40)) {
               el.move(evt.keyCode == 38 ?- 1 : 1); return evt.preventDefault(); }
            return true; }
         ); }
      function load() {
         navi.each(function() {
            var nav = $(this); if(nav.is(":empty") || nav.data("me") == self) {
               nav.empty(); nav.data("me", self); for(var i = 0; i < self.getPageAmount(); i++) {
                  var item = $("<" + conf.naviItem + "/>").attr("href", i).click(function(e) {
                     var el = $(this); el.parent().children().removeClass(conf.activeClass); el.addClass(conf.activeClass); self.setPage(el.attr("href")); return e.preventDefault(); }
                  ); if(i === 0) {
                     item.addClass(conf.activeClass); }
                  nav.append(item); }
               }
            else {
               var els = nav.children(); els.each(function(i) {
                  var item = $(this); item.attr("href", i); if(i === 0) {
                     item.addClass(conf.activeClass); }
                  item.click(function() {
                     nav.find("." + conf.activeClass).removeClass(conf.activeClass); item.addClass(conf.activeClass); self.setPage(item.attr("href")); }
                  ); }
               ); }
            }
         ); if(conf.clickable) {
            self.getItems().each(function(index, arg) {
               var el = $(this); if(!el.data("set")) {
                  el.bind("click.scrollable", function() {
                     self.click(index); }
                  ); el.data("set", true); }
               }
            ); }
         if(conf.hoverClass) {
            self.getItems().hover(function() {
               $(this).addClass(conf.hoverClass); }
            , function() {
               $(this).removeClass(conf.hoverClass); }
            ); }
         return self; }
      load(); var timer = null; function setTimer() {
         timer = setInterval(function() {
            self.next(); }
         , conf.interval); }
      if(conf.interval > 0) {
         root.hover(function() {
            clearInterval(timer); }
         , function() {
            setTimer(); }
         ); setTimer(); }
      }
   jQuery.prototype.scrollable = function(conf) {
      var api = this.eq(typeof conf == 'number' ? conf : 0).data("scrollable"); if(api) {
         return api; }
      var opts = {
         size : 5, vertical : false, clickable : true, loop : false, interval : 0, speed : 400, keyboard : true, activeClass : 'active', disabledClass : 'disabled', hoverClass : null, easing : 'swing', items : '.items', prev : '.prev', next : '.next', prevPage : '.prevPage', nextPage : '.nextPage', navi : '.navi', naviItem : 'a', onBeforeSeek : null, onSeek : null, alert : true}; $.extend(opts, conf); this.each(function() {
         var el = new Scrollable($(this), opts); $(this).data("scrollable", el); }
      ); return this; }; }
)(jQuery);