(function ($) {
$.fn.sgallery = function (o) {
    return  new $sg(this, o);
			//alert('do');
    };

	var settings = {
		thumbobj:null,//Ԥ������
		titleobj:null,//����
		botlast:null,//��ť��һ��
		botnext:null,//��ť��һ��
		thumbnowclass:'now',//Ԥ������ǰ��class,ĭ��ϊnow
		slidetime:800,//ƽ������ʱ��
		autochange:true,//�ƿ��զ��л�
		changetime:5000,//�զ��л�ʱ��
		delaytime:100//��꾭��ʱ��ӧ���ӳ�ʱ��
	};

 $.sgallerylong = function(e, o) {
    this.options = $.extend({}, settings, o || {});
	var _self = $(e);
	var set = this.options;
	var thumb;
	var size = _self.size();
	var nowindex = 0; //����ȫ��ָ��
	var index;//����ȫ��ָ��
	var startrun;//Ԥ�����զ����в���
	var delayrun;//Ԥ�����ӳ����в���

//��ʼ��
	_self.eq(0).show();

//�������
function fadeab () {
	if (nowindex != index) {
		if (set.thumbobj!=null) {
		$(set.thumbobj).removeclass().eq(index).addclass(set.thumbnowclass);}
		_self.eq(nowindex).stop(false,true).fadeout(set.slidetime);
		_self.eq(index).stop(true,true).fadein(set.slidetime);
		$(set.titleobj).eq(nowindex).hide();//������title
		$(set.titleobj).eq(index).show();//������title
		nowindex = index;
		if (set.autochange==true) {
		clearinterval(startrun);//�����զ��л�����
		startrun = setinterval(runnext,set.changetime);}
		}
}

//�л�����һ��
function runnext() {
	index =  (nowindex+1)%size;
	fadeab();
}

//�����һͼƭ
	if (set.thumbobj!=null) {
	thumb = $(set.thumbobj);
//��ʼ��
	thumb.eq(0).addclass(set.thumbnowclass);
		thumb.bind("mousemove",function(event){
			index = thumb.index($(this));
			fadeab();
			delayrun = settimeout(fadeab,set.delaytime);
			cleartimeout(delayrun);
			event.stoppropagation();
		})
	}

//�����һ��
	if (set.botnext!=null) {
		var botnext = $(set.botnext);
		botnext.mousemove(function () {
			runnext();
			return false;
		});
	}

//�����һ��
	if (set.botlast!=null) {
		var botlast = $(set.botlast);
		botlast.mousemove(function () {
			index = (nowindex+size-1)%size;
			fadeab();
			return false;
	});
	}

//�զ�����
	if (set.autochange==true) {
	startrun = setinterval(runnext,set.changetime);
	}

}

var $sg = $.sgallerylong;

})(jquery);

function slide(name,class,width,height,fun){
	$(name).width(width);
	$(name).height(height);
	
	if(fun == true){
		$(name).append('<div class="title-bg"></div><div class="title"></div><div class="change"></div>')
		var atr = $(name+' div.changediv a');
		var sum = atr.length;
		for(i=1;i<=sum;i++){
			var title = atr.eq(i-1).attr("title");
			var href = atr.eq(i-1).attr("href");
			$(name+' .change').append('<i>'+i+'</i>');
			$(name+' .title').append('<a href="'+href+'">'+title+'</a>');
		}
		$(name+' .change i').eq(0).addclass('cur');
	}
	$(name+' div.changediv a').sgallery({//����ָ��㣬���ڰ���ͼƭ������
		titleobj:name+' div.title a',
		thumbobj:name+' .change i',
		thumbnowclass:class
	});
	$(name+" .title-bg").width(width);
}

//���ϲ�������
function startmarquee(elementid,h,n,speed,delay){
 var t = null;
 var box = '#' + elementid;
 $(box).hover(function(){
  clearinterval(t);
  }, function(){
  t = setinterval(start,delay);
 }).trigger('mouseout');
 function start(){
  $(box).children('ul:first').animate({margintop: '-='+h},speed,function(){
   $(this).css({margintop:'0'}).find('li').slice(0,n).appendto(this);
  })
 }
}

//tab�л�
function swaptab(name,title,content,sub,cur){
  $(name+' '+title).mouseover(function(){
	  $(this).addclass(cur).siblings().removeclass(cur);
	  $(content+" > "+sub).eq($(name+' '+title).index(this)).show().siblings().hide();
  });
}