/**
 * 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)){to=0;
}return this.seekTo(to,time,fn);
},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);