(function ($) {
    $.fn.jlunbo = function (options) {
        var defaults = {
            auto: true,
            autospeed: 5000,
            animatespeed: 500,
            containertarget: "ul",
            elementtarget: "li",
            toolbarselecter: ".toolbar"
        }; //默认值
        var obj = $.extend(defaults, options); //绑定默认值
        var lbobj = $(this);
        var width = lbobj.find(obj.containertarget + " " + obj.elementtarget).width(); //设置ul宽度
        var arrow = (lbobj.find('.pre').length > 0 && lbobj.find('.next').length > 0)//判断箭头元素是否存在
        var toolbar = (lbobj.find(obj.toolbarselecter).length > 0); //判断导航小按钮是否存在
        var imgcount = lbobj.find(obj.elementtarget).length; //获取li个数
        lbobj.find(obj.containertarget).width((width * imgcount) + 'px'); //设置ul宽度以便以后margin-left：负的像素
        var nowindex = 1; //初始化插件
        if (toolbar) {//如果toolbar存在

            var toolbarstr = '<table cellpadding="0" cellspacing="0" ><tr>';
            for (i = 1; i < imgcount + 1; i++) {
                toolbarstr += "<td><u></u></td>";
            }
            toolbarstr += '</tr></table>';
            lbobj.find(obj.toolbarselecter).append(toolbarstr);

            var newobj = lbobj.find(obj.toolbarselecter + ' u');

            newobj.hover(function () {
                nowindex = newobj.index(this) + 1
                showing(nowindex);
            });
        }
        if (arrow) {//如果箭头存在
            lbobj.find('.pre').click(function () { nowindex < 2 ? nowindex = imgcount : nowindex--; showing(nowindex); });
            lbobj.find('.next').click(function () { nowindex > (imgcount - 1) ? nowindex = 1 : nowindex++; showing(nowindex); });

        }
        

        function showing(imgid) {
            lbobj.find(obj.containertarget).stop().animate({ marginleft: (-width * (imgid - 1)) + "px" }, obj.animatespeed);
            if (toolbar) {
                var newobj = lbobj.find(obj.toolbarselecter + ' u');
                newobj.removeclass('active');
                newobj.eq(imgid - 1).addclass('active');
            }
        };

        if (obj.auto) {
            function autochange() {
                nowindex > (imgcount - 1) ? nowindex = 1 : nowindex++; showing(nowindex);
            };
            var st = setinterval(autochange, obj.autospeed);
            lbobj.hover(function () { clearinterval(st); }, function () { st = setinterval(autochange, obj.autospeed) });
        }

        showing(nowindex);

    }


})(jquery);


(function ($) {
    $.fn.jhuaguo = function (options) {
        var defaults = {
            speed: 100,
            commonb: 0,
            togot: 10
        }; //默认值
        var obj = $.extend(defaults, options); //绑定默认值
        var myobj = $(this);
        myobj.parent().hover(
            function () { myobj.animate({ marginbottom: (obj.commonb + obj.togot) + "px" }, obj.speed); },
            function () { myobj.animate({ marginbottom: obj.commonb + "px" }, obj.speed); }
            )
    }

})(jquery);