飘窗

<script>
    (function($){
        $.fn.floatAd = function(options){
            var defaults = {
                imgSrc : "http://wenwen.soso.com/p/20100204/20100204193850-483274619.jpg", //漂浮图片路径
                url : "http://map.yanue.net", //图片点击跳转页
                openStyle : 1, //跳转页打开方式 1为新页面打开  0为当前页打开
                speed : 10 //漂浮速度 单位毫秒
            };
            var options = $.extend(defaults,options);
            var _target = options.openStyle == 1 ?  "target='_blank'" : '' ;
            var html = "<div id='float_ad' style='position:absolute;left:0px;top:0px;z-index:1000000;cleat:both;'>";
            html += "  <a href='" + options.imgJumpToUrl + "' " + _target + "><img src='" + options.imgSrc + "' border='0' class='float_ad_img'/></a> <a href='javascript:;' id='close_float_ad' style=''>x</a>";
            html += "</div>";

            $('body').append(html);


            function init(){
                var x = 0,y = 0
                var xin = true, yin = true
                var step = 1
                var delay = 10
                var obj=$("#float_ad")
                obj.find('img.float_ad_img').load(function(){
                    var float = function(){
                        var L = T = 0;
                        var OW = obj.width();//当前广告的宽
                        var OH = obj.height();//高
                        var DW = $(document).width(); //浏览器窗口的宽
                        var DH = $(document).height();

                        x = x + step *( xin ? 1 : -1 );
                        if (x < L) {
                            xin = true; x = L
                        }
                        if (x > DW-OW-1){//-1为了ie
                            xin = false; x = DW-OW-1
                        }

                        y = y + step * ( yin ? 1 : -1 );
                        if (y > DH-OH-1) {

                            yin = false; y = DH-OH-1 ;
                        }
                        if (y < T) {
                            yin = true; y = T
                        }

                        var left = x ;
                        var top = y;

                        obj.css({'top':top,'left':left});
                    }
                    var itl = setInterval(float,options.speed);
                    $('#float_ad').mouseover(function(){clearInterval(itl)});
                    $('#float_ad').mouseout(function(){itl=setInterval(float, options.speed)} )
                });
                // 点击关闭
                $('#close_float_ad').on('click',function(){
                    $('#float_ad').hide();
                });
            }

            init();

        }; //floatAd


    })(jQuery);

</script>
<script type="text/javascript">
    $(function(){
        //调用漂浮插件
        $("body").floatAd({
            imgSrc : '/template/images/fdimg.jpg'
            // url:'http://www.yanue.net'
        });
    })
</script>