(function($){
	$f = window.$f || {
        is: function(a, _) {
            var $ = object.prototype.tostring.call(_).slice(8, -1).tolowercase();
            return _ !== undefined && _ !== null && $ === a.tolowercase()
        },
		sizeof:function(a){
			if(this.is('array',a)||this.is('string',a)){
				return a.length;
			}else if(this.is('object',a)){
				var _ = 0;
				for(var i in a){_++;}
				return _;
			}else{
				return 0;
			}
		},
		create:function(c,p){
			var _ = this;
			if(_.is("function",c))return new c(p);
		},
		extend:function(a,b){
			return $.extend(a,b);
		}
	};
	//1.slide 
	$f.slide = function(_){
		var options = {
			parent:'body',
			target:'',
			nav:'.nav',
			current:'current',
			start:0,
			auto:false,
			dir:1,
			time:3000,
			duration:1000,
			easing:'swing'
		};
		this.options = {};
		this.init(options,_);
		//this.render();
	};
	$f.slide.prototype = {
		init:function(_a,_b){
			var _ = this,__ = _.options = $f.extend(_a,_b);
			!!__.target&&(_.par = $(__.parent),_.tar = $(__.target,__.parent),_.nav = $(__.nav,__.parent))&&_.render();
		},
		render:function(){
			var _ = this,__ = _.options;
			_.tar.hide().eq(__.start).show().addclass(__.current);
			_.nav.bind('click',function(e,f){
				var _self = this;
				if(!_.click&&!$(_self).hasclass(__.current)){
					var _f = _.nav.index(_.nav.filter('.'+__.current)),_t = _.nav.index(_self);
					_.slidehandler(_f,_t,f);
				}
			}).removeclass(__.current).eq(__.start).addclass(__.current);
			__.auto&&_.timerhandler();
		},
		slidehandler:function(f,t,flag,c){
			var _ = this,__ = _.options;_.click = true ;
			_.nav.eq(f).removeclass(__.current);
			_.nav.eq(t).addclass(__.current);
			_.tar.eq(t).stop(true,false).addclass(__.current).css({"display":"block","left":!!flag?(f>t?"100%":"-100%"):(f>t?"-100%":"100%"),"z-index":1}).animate({left:"0%"},__.duration,__.easing,c);
			_.tar.eq(t).trigger("slidein");
			_.tar.eq(f).trigger("slideout");
			if(f<t&&!flag){
				_.tar.eq(t).trigger("slideinpos");
				_.tar.eq(f).trigger("slideoutpos")
			}else{
				_.tar.eq(t).trigger("slideinneg");
				_.tar.eq(f).trigger("slideoutneg")
			}

			_.tar.eq(f).stop(true,false).removeclass(__.current).css({"display":"block","z-index":0}).animate({left:!!flag?(f>t?"-100%":"100%"):(f>t?"100%":"-100%")},__.duration,__.easing,function(){
				$(this).hide().trigger("slideoutend");
				_.tar.eq(t).trigger("slideinend");
				_.click = false;
			});
			_.tar.eq(f).removeclass(__.current);_.tar.eq(t).addclass(__.current);
		},
		slideleftrighthanler:function(dir){
			var _ = this,__ = _.options;
			var _s = $(_.nav).size(),_i = dir==0?-1:1,_f = $(_.nav).index($(_.nav).filter('.'+__.current)),_t = _f+_i<0?_s-1:_f+_i>=_s?0:_f+_i;
			$(_.nav).eq(_t).trigger("click",(_f+_i<0||_f+_i>=_s)?true:false);
		},
		timerhandler:function(){
			var _ = this,__ = _.options,_timerstop=function(){
				_.timmer & cleartimeout(_.timmer);
			},_timerstart=function(_t){
				_timerstop();
				_.timmer = settimeout(_timer,_t);
			},_timer=function(){
				_.slideleftrighthanler(__.dir);
				_timerstart(__.time+__.duration);
			};
			_.par.bind("mouseenter",function(){
				_timerstop();
			}).bind("mouseleave",function(){
				_timerstart(__.time);
			}).trigger("mouseleave");
		}
	};
	
	//2.mask
	$f.mask = function(tar,_){
		if(!$(tar)[0])return;
		var isie6 = navigator.useragent.tolowercase().indexof("msie 6")>-1;
		var self=this,options = {
			closeelement : '',
			position : 'static',
			align:'center',
			valign:'middle',
			zindex:1000,
			maskclose : true
		},$mask = $('<div class="f_mask"></div>'),_pos=['fixed','absolute','static'];
		options = $.extend(options,_);
		$mask.attr("id","f_mask_"+(!$f.mask.id?$f.mask.id=0:$f.mask.id++));
		$mask.css({
			width:document.body.scrollwidth,
			height:document.body.scrollheight,
			position:'absolute',
			backgroundcolor:'#000',
			opacity:0.5,
			left:0,top:0,
			zindex:options.zindex
		}).appendto('body');
		!$f.mask.list&&($f.mask.list=[],$(window).bind("resize",function(){
			$('.f_mask').css({width:$('body').width(),
			height:document.body.scrollheight});
		}));
		$f.mask.list.push(tar);
		switch(options.position){
			case 'fixed':
				$(tar).css({
					position:!!isie6?'absolute':'fixed',
					left:'50%',top:!!isie6?$(window).height()/2+$(window).scrolltop():'50%',
					marginleft:-$(tar).width()/2,margintop:-$(tar).height()/2,
					'z-index':$f.mask.id+options.zindex+1
				}).show();
			break;
			case 'absolute':
				$(tar).css({
					position:'absolute',
					left:'50%',top:$(window).height()/2+$(window).scrolltop(),
					marginleft:-$(tar).width()/2,margintop:-$(tar).height()/2,
					'z-index':$f.mask.id+options.zindex+1
				}).show();
			break;
			default:
				$(tar).css({'z-index':$f.mask.id+options.zindex+1}).show();
			break;
		}
		!!options.closeelement&&$(tar).find(options.closeelement).bind("click",function(){
			self.unmask(tar);
		});
	}
	$f.unmask = function(tar){
		$(tar).hide();
		$('div').remove('.f_mask');
	}
	$f.select = function(tar,_){
		var options = {
			wrapper:'.f_select',
			forminput:'',
			showinput:'.f_select_value',
			optioncontainer:'ul',
			option:'li',
			optionvlaue:'',
			optionhoverclass:'hover',
			toggleclass:'open',
			toggle:true,
			index:-1,
			onchange:null,
			context:null
		}
		options = $.extend(options,_);
		$(tar).each(function(index, element) {
			var self = this,_sel;
			$(self).bind('open',function(){
				$(self).addclass('open');
				$(options.optioncontainer,self).show();
				!!_sel&&$(_sel).addclass(options.optionhoverclass);
			}).bind('close',function(){
				$(self).removeclass('open');
				$(options.optioncontainer,self).hide();
			});
			if(!!options.toggle){
				$(self).hover(function(e){
					$(self).trigger('open');
				},function(e){
					$(self).trigger('close')
				});
			}
			options.opt = options.optioncontainer+' '+options.option;
			$(options.optioncontainer,self).delegate(options.option,"mouseenter",function(){
				$(options.opt,self).removeclass(options.optionhoverclass);
				$(this).addclass(options.optionhoverclass);
			}).delegate(options.option,"mouseleave",function(){
				$(this).removeclass(options.optionhoverclass);
			}).delegate(options.option,'click',function(){
				$(options.showinput,self).text($(this).text());
				!!options.forminput&&(_temp = $(options.forminput,self).val(),$(options.forminput,self).val(!!options.optionvlaue?$(this).attr(options.optionvlaue):$(this).text()),_temp!=$(options.forminput,self).val()&&!!options.onchange&&(!!options.context?options.onchange.call(options.context):options.onchange.call(self)));
				_sel = this ;
				$(self).trigger('close');
			});
			if(options.index>-1){
				$(options.opt,self).eq(options.index).trigger('click');
			}
		});
	}
}).call(window,jquery)