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s += "\r\n网页可见区域高："+ document.body.offsetHeight +" (包括边线的宽)";
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http://www.cnblog.com/wayne173 //换成是漂浮图片点击后出现的页面，也就是点击后出现的详细的介绍页面

http://static.cnblogs.com/images/adminlogo.gif //换成是漂浮广告图片的URL地址，最好采用绝对路径
var x = 50,y = 60 //浮动层的初始位置，分别对应层的初始X坐标和Y坐标

var xin = true, yin = true //判断层的X坐标和Y坐标是否在在控制范围之内，xin为真是层向右移动，否则向左；yin为真是层向下移动，否则向上
var step = 1 //层移动的步长，值越大移动速度越快
var delay = 10 //层移动的时间间隔,单位为毫秒，值越小移动速度越快