/*!
 * jCarousel - Riding carousels with jQuery
 *   http://sorgalla.com/jcarousel/
 *
 * Copyright (c) 2006 Jan Sorgalla (http://sorgalla.com)
 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
 * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
 *
 * Built on top of the jQuery library
 *   http://jquery.com
 *
 * Inspired by the "Carousel Component" by Bill Scott
 *   http://billwscott.com/carousel/
 */

(function($){$.fn.jcarousel=function(o){
	if(typeof o=='string'){
		var instance=$(this).data('jcarousel'),args=Array.prototype.slice.call(arguments,1);
		return instance[o].apply(instance,args);
	}else
		return this.each(function(){$(this).data('jcarousel',new $jc(this,o));
	});
};
var defaults={
	vertical:false,start:1,offset:1,size:null,scroll:3,visible:null,animation:'normal',easing:'swing',auto:0,wrap:null,initCallback:null,reloadCallback:null,itemLoadCallback:null,itemFirstInCallback:null,itemFirstOutCallback:null,itemLastInCallback:null,itemLastOutCallback:null,itemVisibleInCallback:null,itemVisibleOutCallback:null,buttonNextHTML:'<div></div>',buttonPrevHTML:'<div></div>',buttonNextEvent:'click',buttonPrevEvent:'click',buttonNextCallback:null,buttonPrevCallback:null,btnStop: null,btnStart: null,afterStop: null,afterStart: null};

$.jcarousel=function(e,o){
	this.options=$.extend({},defaults,o||{});
	this.locked=false;this.container=null;
	this.clip=null;
	this.list=null;
	this.buttonNext=null;
	this.buttonPrev=null;
	this.wh=!this.options.vertical?'width':'height';
	this.lt=!this.options.vertical?'left':'top';
	var skin='',split=e.className.split(' ');
	for(var i=0;i<split.length;i++){
		if(split[i].indexOf('jcarousel-skin')!=-1){
			$(e).removeClass(split[i]);skin=split[i];break;
		}
	}
	if(e.nodeName=='UL'||e.nodeName=='OL'){
		this.list=$(e);
		this.container=this.list.parent();
		if(this.container.hasClass('jcarousel-clip')){
			if(!this.container.parent().hasClass('jcarousel-container'))this.container=this.container.wrap('<div></div>');this.container=this.container.parent();
			}else if(!this.container.hasClass('jcarousel-container'))this.container=this.list.wrap('<div></div>').parent();
		}else{
			this.container=$(e);this.list=this.container.find('ul,ol').eq(0);
		}
		if(skin!=''&&this.container.parent()[0].className.indexOf('jcarousel-skin')==-1)this.container.wrap('<div class=" '+skin+'"></div>');this.clip=this.list.parent();
		if(!this.clip.length||!this.clip.hasClass('jcarousel-clip'))this.clip=this.list.wrap('<div></div>').parent();
			this.buttonNext=$('.jcarousel-next',this.container);
		if(this.buttonNext.size()==0&&this.options.buttonNextHTML!=null)this.buttonNext=this.clip.after(this.options.buttonNextHTML).next();
			this.buttonNext.addClass(this.className('jcarousel-next'));
			this.buttonPrev=$('.jcarousel-prev',this.container);
		if(this.buttonPrev.size()==0&&this.options.buttonPrevHTML!=null)this.buttonPrev=this.clip.after(this.options.buttonPrevHTML).next();
			this.buttonPrev.addClass(this.className('jcarousel-prev'));
			this.clip.addClass(this.className('jcarousel-clip')).css({overflow:'hidden',position:'relative'});
			this.list.addClass(this.className('jcarousel-list')).css({overflow:'hidden',position:'relative',top:0,left:0,margin:0,padding:0});
			this.container.addClass(this.className('jcarousel-container')).css({position:'relative'});
			var di=this.options.visible!=null?Math.ceil(this.clipping()/this.options.visible):null;
			var li=this.list.children('li');var self=this;
		if(li.size()>0){var wh=0,i=this.options.offset;
			li.each(function(){self.format(this,i++);
			wh+=self.dimension(this,di);
		});
		this.list.css(this.wh,wh+'px');
		if(!o||o.size===undefined)this.options.size=li.size();
		}this.container.css('display','block');
		this.buttonNext.css('display','block');
		this.buttonPrev.css('display','block');
		this.funcNext=function(){self.next();
	};

	this.funcPrev=function(){
		self.prev();
	};
	this.funcResize=function(){
		self.reload();
	};
	if(this.options.initCallback!=null)
		this.options.initCallback(this,'init');
	if($.browser.safari){
		this.buttons(false,false);
		$(window).bind('load.jcarousel',function(){
			self.setup();
		});
	}else
		this.setup();
	};
	var $jc=$.jcarousel;$jc.fn=$jc.prototype={jcarousel:'0.2.4'};
	$jc.fn.extend=$jc.extend=$.extend;$jc.fn.extend({
	//setup関数												
	setup:function(){
		this.first=null;
		this.last=null;
		this.prevFirst=null;
		this.prevLast=null;
		this.animating=false;this.timer=null;
		this.tail=null;
		this.inTail=false;if(this.locked)return;
		this.list.css(this.lt,this.pos(this.options.offset)+'px');
		var p=this.pos(this.options.start);
		this.prevFirst=this.prevLast=null;
		this.animate(p,false);
		$(window).unbind('resize.jcarousel',this.funcResize).bind('resize.jcarousel',this.funcResize);
	},
	//reset関数
	reset:function(){
		this.list.empty();
		this.list.css(this.lt,'0px');
		this.list.css(this.wh,'10px');
		if(this.options.initCallback!=null)this.options.initCallback(this,'reset');
			this.setup();
	},
	//reload関数	
	reload:function(){
		if(this.tail!=null&&this.inTail)this.list.css(this.lt,$jc.intval(this.list.css(this.lt))+this.tail);this.tail=null;this.inTail=false;if(this.options.reloadCallback!=null)this.options.reloadCallback(this);
		if(this.options.visible!=null){
			var self=this;
		var di=Math.ceil(this.clipping()/this.options.visible),wh=0,lt=0;
		$('li',this.list).each(function(i){wh+=self.dimension(this,di);
		if(i+1<self.first)lt=wh;
		});
		this.list.css(this.wh,wh+'px');
		this.list.css(this.lt,-lt+'px');
		}this.scroll(this.first,false);
	},
	//lock関数
	lock:function(){
		this.locked=true;
		this.buttons();
	},
	//unlock関数
	unlock:function(){
		this.locked=false;
		this.buttons();
	},
	//size関数
	size:function(s){
		if(s!=undefined){
			this.options.size=s;if(!this.locked)this.buttons();
		}return this.options.size;},has:function(i,i2){if(i2==undefined||!i2)i2=i;if(this.options.size!==null&&i2>this.options.size)i2=this.options.size;
		for(var j=i;j<=i2;j++){var e=this.get(j);
			if(!e.length||e.hasClass('jcarousel-item-placeholder'))return false;
		}return true;
	},
	//get関数
	get:function(i){
		return $('.jcarousel-item-'+i,this.list);
	},
	//add関数
	add:function(i,s){
		var e=this.get(i),old=0,add=0;if(e.length==0){var c,e=this.create(i),j=$jc.intval(i);
		while(c=this.get(--j)){if(j<=0||c.length){j<=0?this.list.prepend(e):c.after(e);
			break;
		}}}else
			old=this.dimension(e);
			e.removeClass(this.className('jcarousel-item-placeholder'));
			typeof s=='string'?e.html(s):e.empty().append(s);
			var di=this.options.visible!=null?Math.ceil(this.clipping()/this.options.visible):null;
			var wh=this.dimension(e,di)-old;
			if(i>0&&i<this.first)this.list.css(this.lt,$jc.intval(this.list.css(this.lt))-wh+'px');
				this.list.css(this.wh,$jc.intval(this.list.css(this.wh))+wh+'px');
				return e;
	},
	//remove関数
	remove:function(i){
		var e=this.get(i);
	if(!e.length||(i>=this.first&&i<=this.last))return;
		var d=this.dimension(e);
		if(i<this.first)this.list.css(this.lt,$jc.intval(this.list.css(this.lt))+d+'px');
			e.remove();
			this.list.css(this.wh,$jc.intval(this.list.css(this.wh))-d+'px');
	},
	//next関数
	next:function(){
		this.stopAuto();
		if(this.tail!=null&&!this.inTail)this.scrollTail(false);
		else
			this.scroll(((this.options.wrap=='both'||this.options.wrap=='last')&&this.options.size!=null&&this.last==this.options.size)?1:this.first+this.options.scroll);
	},
	//prev関数
	prev:function(){
		this.stopAuto();
		if(this.tail!=null&&this.inTail)this.scrollTail(true);
		else
			this.scroll(((this.options.wrap=='both'||this.options.wrap=='first')&&this.options.size!=null&&this.first==1)?this.options.size:this.first-this.options.scroll);
	},
	//Scrolltail関数
	scrollTail:function(b){
		if(this.locked||this.animating||!this.tail)return;
			var pos=$jc.intval(this.list.css(this.lt));
			!b?pos-=this.tail:pos+=this.tail;
			this.inTail=!b;
			this.prevFirst=this.first;
			this.prevLast=this.last;
			this.animate(pos);
	},
//scroll関数
scroll:function(i,a){
	if(this.locked||this.animating)return;
		this.animate(this.pos(i),a);
},
//pos関数
pos:function(i){
	var pos=$jc.intval(this.list.css(this.lt));
		if(this.locked||this.animating)return pos;
		if(this.options.wrap!='circular')i=i<1?1:(this.options.size&&i>this.options.size?this.options.size:i);
			var back=this.first>i;
			var f=this.options.wrap!='circular'&&this.first<=1?1:this.first;var c=back?this.get(f):this.get(this.last);
			var j=back?f:f-1;
			var e=null,l=0,p=false,d=0,g;
			while(back?--j>=i:++j<i){
				e=this.get(j);
				p=!e.length;
				if(e.length==0){
					e=this.create(j).addClass(this.className('jcarousel-item-placeholder'));
					c[back?'before':'after'](e);
					if(this.first!=null&&this.options.wrap=='circular'&&this.options.size!==null&&(j<=0||j>this.options.size)){
						g=this.get(this.index(j));
						if(g.length)this.add(j,g.children().clone(true));
					}
				}
				c=e;
				d=this.dimension(e);
				if(p)l+=d;
				if(this.first!=null&&(this.options.wrap=='circular'||(j>=1&&(this.options.size==null||j<=this.options.size))))pos=back?pos+d:pos-d;
			}
			var clipping=this.clipping();
			var cache=[];
			var visible=0,j=i,v=0;
			var c=this.get(i-1);
			while(++visible){
				e=this.get(j);
				p=!e.length;
				if(e.length==0){
					e=this.create(j).addClass(this.className('jcarousel-item-placeholder'));
					c.length==0?this.list.prepend(e):c[back?'before':'after'](e);
					if(this.first!=null&&this.options.wrap=='circular'&&this.options.size!==null&&(j<=0||j>this.options.size)){
						g=this.get(this.index(j));
						if(g.length)this.add(j,g.find('>*').clone(true));
					}
				}
				c=e;
				var d=this.dimension(e);
				if(d==0){
					alert('jCarousel: No width/height set for items. This will cause an infinite loop. Aborting...');
					return 0;
				}
				if(this.options.wrap!='circular'&&this.options.size!==null&&j>this.options.size)cache.push(e);
				else if(p)
					l+=d;
					v+=d;
				if(v>=clipping)
				break;
				j++;
			}
			for(var x=0;x<cache.length;x++)cache[x].remove();
			if(l>0){
				this.list.css(this.wh,this.dimension(this.list)+l+'px');
				if(back){
					pos-=l;
					this.list.css(this.lt,$jc.intval(this.list.css(this.lt))-l+'px');
				}
			}
			var last=i+visible-1;
			if(this.options.wrap!='circular'&&this.options.size&&last>this.options.size)last=this.options.size;if(j>last){
				visible=0,j=last,v=0;
				while(++visible){
					var e=this.get(j--);
					if(!e.length)
						break;
						v+=this.dimension(e);
					if(v>=clipping)
						break;
				}
			}
			var first=last-visible+1;
			if(this.options.wrap!='circular'&&first<1)
				first=1;
			if(this.inTail&&back){
				pos+=this.tail;
				this.inTail=false;
			}
			this.tail=null;
			if(this.options.wrap!='circular'&&last==this.options.size&&(last-visible+1)>=1){
				var m=$jc.margin(this.get(last),!this.options.vertical?'marginRight':'marginBottom');
				if((v-m)>clipping)
					this.tail=v-clipping-m;
			}
			while(i-->first)pos+=this.dimension(this.get(i));
				this.prevFirst=this.first;
				this.prevLast=this.last;
				this.first=first;
				this.last=last;
				return pos;
},
//animate関数
animate:function(p,a){
	if(this.locked||this.animating)
		return;
	this.animating=true;
	var self=this;
	var scrolled=function(){
		self.animating=false;
	if(p==0)self.list.css(self.lt,0);
	if(self.options.wrap=='circular'||self.options.wrap=='both'||self.options.wrap=='last'||self.options.size==null||self.last<self.options.size)self.startAuto();
		self.buttons();
		self.notify('onAfterAnimation');};
		this.notify('onBeforeAnimation');
	if(!this.options.animation||a==false){
		this.list.css(this.lt,p+'px');
		scrolled();
	}else{
		var o=!this.options.vertical?{'left':p}:{'top':p};
		this.list.animate(o,this.options.animation,this.options.easing,scrolled);
}},
//start関数
startAuto:function(s){
	if(s!=undefined)
		this.options.auto=s;
	if(this.options.auto==0)
		return this.stopAuto();
	if(this.timer!=null)return;
		var self=this;
		this.timer=setTimeout(function(){self.next();
},this.options.auto*1000);
},
//stop関数
stopAuto:function(){
	if(this.timer==null)
		return;
		clearTimeout(this.timer);
		this.timer=null;
},
//botton関数
buttons:function(n,p){
	if(n==undefined||n==null){
		var n=!this.locked&&this.options.size!==0&&((this.options.wrap&&this.options.wrap!='first')||this.options.size==null||this.last<this.options.size);
		if(!this.locked&&(!this.options.wrap||this.options.wrap=='first')&&this.options.size!=null&&this.last>=this.options.size)n=this.tail!=null&&!this.inTail;
	}
	if(p==undefined||p==null){
		var p=!this.locked&&this.options.size!==0&&((this.options.wrap&&this.options.wrap!='last')||this.first>1);
		if(!this.locked&&(!this.options.wrap||this.options.wrap=='last')&&this.options.size!=null&&this.first==1)p=this.tail!=null&&this.inTail;
	}
	var self=this;
	this.buttonNext[n?'bind':'unbind'](this.options.buttonNextEvent+'.jcarousel',this.funcNext)[n?'removeClass':'addClass'](this.className('jcarousel-next-disabled')).attr('disabled',n?false:true);
	this.buttonPrev[p?'bind':'unbind'](this.options.buttonPrevEvent+'.jcarousel',this.funcPrev)[p?'removeClass':'addClass'](this.className('jcarousel-prev-disabled')).attr('disabled',p?false:true);
	
	if(this.buttonNext.length>0&&(this.buttonNext[0].jcarouselstate==undefined||this.buttonNext[0].jcarouselstate!=n)&&this.options.buttonNextCallback!=null){
		this.buttonNext.each(function(){self.options.buttonNextCallback(self,this,n);});
		this.buttonNext[0].jcarouselstate=n;
	}if(this.buttonPrev.length>0&&(this.buttonPrev[0].jcarouselstate==undefined||this.buttonPrev[0].jcarouselstate!=p)&&this.options.buttonPrevCallback!=null){
		this.buttonPrev.each(function(){
			self.options.buttonPrevCallback(self,this,p);});
			this.buttonPrev[0].jcarouselstate=p;
}},
//notify関数
notify:function(evt){
	var state=this.prevFirst==null?'init':(this.prevFirst<this.first?'next':'prev');
	this.callback('itemLoadCallback',evt,state);
	if(this.prevFirst!==this.first){
		this.callback('itemFirstInCallback',evt,state,this.first);
	this.callback('itemFirstOutCallback',evt,state,this.prevFirst);
	}if(this.prevLast!==this.last){
		this.callback('itemLastInCallback',evt,state,this.last);
		this.callback('itemLastOutCallback',evt,state,this.prevLast);
	}this.callback('itemVisibleInCallback',evt,state,this.first,this.last,this.prevFirst,this.prevLast);
	this.callback('itemVisibleOutCallback',evt,state,this.prevFirst,this.prevLast,this.first,this.last);
},
//callback関数
callback:function(cb,evt,state,i1,i2,i3,i4){
	if(this.options[cb]==undefined||(typeof this.options[cb]!='object'&&evt!='onAfterAnimation'))return;
		var callback=typeof this.options[cb]=='object'?this.options[cb][evt]:this.options[cb];
	if(!$.isFunction(callback))return;
		var self=this;
	if(i1===undefined)callback(self,state,evt);
		else if(i2===undefined)this.get(i1).each(function(){callback(self,this,i1,state,evt);});
		else{
			for(var i=i1;i<=i2;i++)
				if(i!==null&&!(i>=i3&&i<=i4))this.get(i).each(function(){
					callback(self,this,i,state,evt);});
}},
//create関数	
create:function(i){
	return this.format('<li></li>',i);
},
//format関数
format:function(e,i){
	var $e=$(e).addClass(this.className('jcarousel-item')).addClass(this.className('jcarousel-item-'+i)).css({'float':'left','list-style':'none'});
	$e.attr('jcarouselindex',i);
	return $e;
},
//className関数
className:function(c){
	return c+' '+c+(!this.options.vertical?'-horizontal':'-vertical');
},
//dismension関数
dimension:function(e,d){
	var el=e.jquery!=undefined?e[0]:e;
	var old=!this.options.vertical?el.offsetWidth+$jc.margin(el,'marginLeft')+$jc.margin(el,'marginRight'):el.offsetHeight+$jc.margin(el,'marginTop')+$jc.margin(el,'marginBottom');
	if(d==undefined||old==d)return old;
		var w=!this.options.vertical?d-$jc.margin(el,'marginLeft')-$jc.margin(el,'marginRight'):d-$jc.margin(el,'marginTop')-$jc.margin(el,'marginBottom');
		$(el).css(this.wh,w+'px');
		return this.dimension(el);
},
//clipping関数
clipping:function(){
	return!this.options.vertical?this.clip[0].offsetWidth-$jc.intval(this.clip.css('borderLeftWidth'))-$jc.intval(this.clip.css('borderRightWidth')):this.clip[0].offsetHeight-$jc.intval(this.clip.css('borderTopWidth'))-$jc.intval(this.clip.css('borderBottomWidth'));
},
//index関数
index:function(i,s){
	if(s==undefined)s=this.options.size;return Math.round((((i-1)/s)-Math.floor((i-1)/s))*s)+1;}});
	$jc.extend({defaults:function(d){return $.extend(defaults,d||{});
},
//margin関数
margin:function(e,p){
	if(!e)return 0;var el=e.jquery!=undefined?e[0]:e;
	if(p=='marginRight'&&$.browser.safari){
		var old={'display':'block','float':'none','width':'auto'},oWidth,oWidth2;
		$.swap(el,old,function(){
			oWidth=el.offsetWidth;});
			old['marginRight']=0;$.swap(el,old,function(){oWidth2=el.offsetWidth;});
			return oWidth2-oWidth;
	}return $jc.intval($.css(el,p));
},
//intval関数
intval:function(v){v=parseInt(v);return isNaN(v)?0:v;}});
})(jQuery);