(function($){
	$.fn.idTabs=function (){
		var s={	};
		//参数提取及检查
		for(var i=0;i<arguments.length;++i){
			var a=arguments[i];
			switch(a.constructor){
			case Object:
				$.extend(s,a);
				break;
			case Boolean:
				s.change=a;
				break;
			case Number:
				s.start=a;
				break;
			case Function:
				s.click=a;
				break;
			case String:
				if(a.charAt(0)=='.')
					s.selected=a;
				else if(a.charAt(0)=='!')
					s.event=a;
				else 
					s.start=a;
				break;
			}
		}
		if(typeof(s['return'])=="function")
			s.change=s['return'];
		return this.each(function (){
			$.idTabs(this,s);
		});			
	}

	$.idTabs=function (tabs,options){
		var meta=($.metadata)?$(tabs).metadata():{};
		var s=$.extend({},$.idTabs.settings,meta,options);
		if(s.selected.charAt(0)=='.')
			s.selected=s.selected.substr(1);
		if(s.event.charAt(0)=='!')
			s.event=s.event.substr(1);
		if(s.start==null)
			s.start=-1;
		var showId=function (){
			if($(this).is('.'+s.selected))
			return s.change;
			var id="#"+this.href.split('#')[1];
			var aList=[];
			var idList=[];
			$("a",tabs).each(function (){
				if(this.href.match(/#/)){
					aList.push(this);
					idList.push("#"+this.href.split('#')[1]);	
				}
			});
			if(s.click&&!s.click.apply(this,[id,idList,tabs,s]))
				return s.change;
			for(i in aList)
				$(aList[i]).removeClass(s.selected);
			for(i in idList)
				$(idList[i]).hide();
			$(this).addClass(s.selected);
			$(id).show();
			return s.change;
		}
		var list=$("a[href*='#']",tabs).unbind(s.event,showId).bind(s.event,showId);
		list.each(function (){
			$("#"+this.href.split('#')[1]).hide();
		});
		var test=false;
		if((test=list.filter('.'+s.selected)).length);
		else if(typeofs.start=="number"&&(test=list.eq(s.start)).length);
		else if(typeofs.start=="string"&&(test=list.filter("[href*='#"+s.start+"']")).length);
		if(test){
			test.removeClass(s.selected);
			test.trigger(s.event);
		}
		return s;
	}

	$.idTabsMove = function(tabs, id) {
	    var list = $("a[href*='#']", tabs);
	    list.each(function() {
	        $("#" + this.href.split('#')[1]).hide();
	        $(this).removeClass("selected");
	    });
	    $("#" + list[id - 1].href.split('#')[1]).show();
	    $(list[id - 1]).addClass("selected");
	}

	$.idTabs.settings={
		start:0,change:false,click:null,selected:".selected",event:"!click"
	};
	$.idTabs.version="2.2";
})(jQuery);