JS网页高度相关

<SCRIPT     LANGUAGE="JavaScript">   
    var       s     =     "";   
    s     +=     "\r\n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网页可见区域宽："+     document.body.offsetWidth       +"     (包括边线和滚动条的宽)";   
    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;   
    s     +=     "\r\n你的屏幕设置是     "+     window.screen.colorDepth     +"     位彩色";   
    s     +=     "\r\n你的屏幕设置     "+     window.screen.deviceXDPI     +"     像素/英寸";   
    alert(s);   
    </SCRIPT>