(function($){

$.fn.extend({

        Scroll:function(opt,callback){

                //参数初始化

                if(!opt) var opt={};

                var _btnUp = $("#"+ opt.up);//Shawphy:向上按钮

                var _btnDown = $("#"+ opt.down);//Shawphy:向下按钮

                var timerID;

                var _this=this.eq(0);

                var     lineH=_this.find("li:first").height(), //获取行高

                        line=opt.line?parseInt(opt.line,10):parseInt(this.height()/lineH,10), //每次滚动的行数，默认为一屏，即父容器高度

                        speed=opt.speed?parseInt(opt.speed,10):500; //卷动速度，数值越大，速度越慢（毫秒）

                        timer=opt.timer //?parseInt(opt.timer,10):3000; //滚动的时间间隔（毫秒）

                if(line==0) line=1;

                var upHeight=0-line*lineH;

                //滚动函数

                var scrollUp=function(){

                        _btnUp.unbind("click",scrollUp); //Shawphy:取消向上按钮的函数绑定

                        _this.animate({

                                marginTop:upHeight

                        },speed,function(){

                                for(i=1;i<=line;i++){

                                        _this.find("li:first").appendTo(_this);

                                }

                                _this.css({marginTop:0});

                                _btnUp.bind("click",scrollUp); //Shawphy:绑定向上按钮的点击事件

                        });



                }

                //Shawphy:向下翻页函数

                var scrollDown=function(){

                        _btnDown.unbind("click",scrollDown);

                        for(i=1;i<=line;i++){

                                _this.find("li:last").show().prependTo(_this);

                        }

                        _this.css({marginTop:upHeight});

                        _this.animate({

                                marginTop:0

                        },speed,function(){

                                _btnDown.bind("click",scrollDown);

                        });

                }

               //Shawphy:自动播放

                var autoPlay = function(){

                        if(timer)timerID = window.setInterval(scrollUp,timer);

                };

                var autoStop = function(){

                        if(timer)window.clearInterval(timerID);

                };

                 //鼠标事件绑定

                _this.hover(autoStop,autoPlay).mouseout();

                _btnUp.css("cursor","pointer").click( scrollUp ).hover(autoStop,autoPlay);//Shawphy:向上向下鼠标事件绑定

                _btnDown.css("cursor","pointer").click( scrollDown ).hover(autoStop,autoPlay);



        }       

})

})(jQuery);

var FadeImg_t = FadeImg_n = 0,FadeImg_count;
function FadeImg(ImgDom,BtnDom){
	var obj = new Object();
	obj.time =6000;
	FadeImg_count = $("#"+ImgDom+" div").size();
	bannerpic_hover	=	$("#"+BtnDom+" li img").eq(0).attr("src");
	bannerpic		=	$("#"+BtnDom+" li img").eq(1).attr("src");
	
	$("#"+ImgDom+" div").css({display:"block",position:"absolute",overflow:"hidden"});
	$("."+ImgDom+"_ot div").css({display:"block",position:"absolute",overflow:"hidden"});
	
	$("#"+ImgDom+" div:not(:first-child)").hide();
	$("."+ImgDom+"_ot div:not(:first-child)").hide();
	$("#"+BtnDom+" li").each(function(i){
			var index=i;
			$("#"+BtnDom+" li").eq(i).click(function(){													 
					if (index >= FadeImg_count) return;	
					$("#"+ImgDom+" div").filter(":visible").fadeOut(500).parent().children().eq(index).fadeIn(1000);
					//$("#"+ImgDom+" span").filter(":visible").fadeOut(500);
					//$("#"+ImgDom+" span").eq(index).fadeIn(500);
					$("."+ImgDom+"_ot div").filter(":visible").fadeOut(500).parent().children().eq(index).fadeIn(1000);
					//$("."+ImgDom+"_ot div").eq(index).fadeIn(1000);
					$("#"+BtnDom+" li img").attr("src",bannerpic);
					$("#"+BtnDom+" li img").eq(i).attr("src",bannerpic_hover);
			});							 
	});
	
	t = window.setInterval("showAuto('"+BtnDom+"')",obj.time);
	$("#"+BtnDom).hover(function(){clearInterval(t)},     function(){t = setInterval("showAuto('"+BtnDom+"')", obj.time);});
	
	return obj;
}

function showAuto(dom){
	FadeImg_n = FadeImg_n >= (FadeImg_count - 1) ? 0 : ++FadeImg_n;
	$("#"+dom+" li").eq(FadeImg_n).trigger('click');	
}

$(document).ready(function(){
		   var FadeObj = FadeImg("hover","hover_btn");
        $("#line").Scroll({line:1,speed:500,timer:3000,up:"indexNewDown",down:"indexNewUp"});

});