/**
 * jquery.scrollable 0.13. Put your HTML scroll.
 * 
 * http://flowplayer.org/tools/scrollable.html
 *
 * Copyright (c) 2008 Tero Piirainen (support@flowplayer.org)
 *
 * Released under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 * 
 * >> Basically you can do anything you want but leave this header as is <<
 *
 * Since  : 0.10 - 03/01/2008
 * Version: 0.13 - Fri Nov 07 2008 16:50:33 GMT-0000 (GMT+00:00)
 */
(function($){function Scrollable(el,config){var self=this;if(!Scrollable.current){Scrollable.current=this;}var opts={size:1,vertical:false,activeClass:'active',speed:700,onSeek:null,clickable:true,items:'.items',prev:'.prev',next:'.next',navi:'.navi',naviItem:'span',loop:false};this.opts=$.extend(opts,config);this.opts.horizontal=!opts.vertical;this.root=$(el);var root=this.root;var itemRoot=$(opts.items,root);if(!itemRoot.length){itemRoot=root;}itemRoot.css({position:'relative',overflow:'hidden',visibility:'visible'});itemRoot.children().wrapAll('<div class="__scrollable" style="position:absolute"/>');this.wrap=itemRoot.find(":first");this.wrap.css(opts.horizontal?"width":"height","200000em").after('<br clear="all" />');this.items=this.wrap.children();this.index=0;if(opts.horizontal){itemRoot.width(opts.size*(this.items.eq(1).offset().left-this.items.eq(0).offset().left)-2);}else{itemRoot.height(opts.size*(this.items.eq(1).offset().top-this.items.eq(0).offset().top)-2);}if($.isFunction($.fn.mousewheel)){root.bind("mousewheel.scrollable",function(e,delta){self.move(-delta,50);return false;});}if(opts.clickable){this.items.each(function(index,arg){$(this).bind("click.scrollable",function(){self.click(index);});});}this.activeIndex=0;$(opts.prev,root).click(function(){self.prev();});$(opts.next,root).click(function(){self.next();});$(opts.navi,root).each(function(){var navi=$(this);var status=self.getStatus();if(navi.is(":empty")){for(var i=0;i<status.pages;i++){var item=$("<"+opts.naviItem+"/>").attr("page",i).click(function(e){var el=$(this);el.parent().children().removeClass(opts.activeClass);el.addClass(opts.activeClass);self.setPage(el.attr("page"));e.preventDefault();});if(i===0){item.addClass(opts.activeClass);}navi.append(item);}}else{var els=navi.find("a");if(!els.length){els=navi.children();}els.each(function(i){var item=$(this);item.attr("page",i);if(i===0){item.addClass(opts.activeClass);}item.click(function(){navi.find("."+opts.activeClass).removeClass(opts.activeClass);item.addClass(opts.activeClass);self.setPage(item.attr("page"));});});}});}$.extend(Scrollable.prototype,{getVersion:function(){return'@VERSION';},click:function(index){var item=this.items.eq(index);var klass=this.opts.activeClass;if(!item.hasClass(klass)&&(index>=0||index<this.items.size())){this.items.removeClass(klass);item.addClass(klass);var delta=Math.floor(this.opts.size/2);var to=index-delta;if(to!==this.activeIndex){this.seekTo(to);}}},getStatus:function(){var len=this.items.size();return{size:this.opts.size,total:len,index:this.index,pages:Math.ceil(len/this.opts.size),page:Math.ceil(this.index/this.opts.size)};},seekTo:function(index,time){if(index<0){index=0;}var max=Math.min(index,this.items.length-this.opts.size);if(index<=max){var item=this.items.eq(index);this.index=index;if(this.opts.horizontal){var left=this.wrap.offset().left-item.offset().left;this.wrap.animate({left:left},time||this.opts.speed);}else{var top=this.wrap.offset().top-item.offset().top;this.wrap.animate({top:top},time||this.opts.speed);}Scrollable.current=this;}if($.isFunction(this.opts.onSeek)){this.opts.onSeek.call(this);}var navi=$(this.opts.navi,this.root);if(navi.length){var klass=this.opts.activeClass;var page=Math.ceil(index/this.opts.size);page=Math.min(page,navi.children().length-1);navi.children().removeClass(klass).eq(page).addClass(klass);}this.activeIndex=index;return true;},move:function(offset,time){var to=this.index+offset;if(this.opts.loop&&to>(this.items.length-this.opts.size)){to=0;}this.seekTo(to,time);},next:function(time){this.move(1,time);},prev:function(time){this.move(-1,time);},movePage:function(offset,time){this.move(this.opts.size*offset,time);},setPage:function(page,time){var size=this.opts.size;var index=size*page;var lastPage=index+size>=this.items.size();if(lastPage){index=this.items.size()-this.opts.size;}this.seekTo(index,time);},prevPage:function(time){this.setPage(this.getStatus().page-1,time);},nextPage:function(time){this.setPage(this.getStatus().page+1,time);},begin:function(time){this.seekTo(0,time);},end:function(time){this.seekTo(this.items.size()-this.opts.size,time);}});$(window).bind("keypress.scrollable",function(evt){var el=Scrollable.current;if(!el){return;}if(el.opts.horizontal&&(evt.keyCode==37||evt.keyCode==39)){el.move(evt.keyCode==37?-1:1);return evt.preventDefault();}if(!el.opts.horizontal&&(evt.keyCode==38||evt.keyCode==40)){el.move(evt.keyCode==38?-1:1);return evt.preventDefault();}return true;});jQuery.prototype.scrollable=function(opts,arg0,arg1){if(!opts||typeof opts=='number'){var index=opts||0;var el=$.data(this.get()[index],"scrollable");if(el){return el;}}this.each(function(){if(typeof opts=="string"){var el=$.data(this,"scrollable");el[opts].apply(el,[arg0,arg1]);}else{var instance=new Scrollable(this,opts);$.data(this,"scrollable",instance);}});return this;};})(jQuery);