网页宽度

在网页中通过javascript获得当前页面或窗口的各个宽度高度
　s = "网页可见区域宽："+ document.body.clientWidth; 　s += "\r\n网页可见区域高："+ document.body.clientHeight;
　s += "\r\n网页可见区域高："+ document.body.offsetWeight +" (包括边线的宽)";
　s += "\r\n网页可见区域高："+ document.body.offsetHeight +" (包括边线的宽)";
　s += "\r\n网页正文全文宽："+ document.body.scrollWidth;
　s += "\r\n网页正文全文高："+ document.body.scrollHeight; 　s += "\r\n网页被卷去的高："+ document.body.scrollTop;
　s += "\r\n网页被卷去的左："+ document.body.scrollLeft;
　s += "\r\n网页正文部分上："+ window.screenTop;
　s += "\r\n网页正文部分左："+ window.screenLeft;
　s += "\r\n屏幕分辨率的高："+ window.screen.height;
　s += "\r\n屏幕分辨率的宽："+ window.screen.width;
　s += "\r\n屏幕可用工作区高度："+ window.screen.availHeight;
　s += "\r\n屏幕可用工作区宽度："+ window.screen.availWidth;