获取浏览器高宽

s = " 网页可见区域宽：" document.body.clientWidth; 
s = " 网页可见区域高：" document.body.clientHeight; 
s = " 网页可见区域宽：" document.body.offsetWidth " (包括边线和滚动条的宽)"; 
s = " 网页可见区域高：" document.body.offsetHeight " (包括边线的宽)"; 
s = " 网页正文全文宽：" document.body.scrollWidth; 
s = " 网页正文全文高：" document.body.scrollHeight; 
s = " 网页被卷去的高(ff)：" document.body.scrollTop; 
s = " 网页被卷去的高(ie)：" document.documentElement.scrollTop; 
s = " 网页被卷去的左：" document.body.scrollLeft; 
s = " 网页正文部分上：" window.screenTop; 
s = " 网页正文部分左：" window.screenLeft; 
s = " 屏幕分辨率的高：" window.screen.height; 
s = " 屏幕分辨率的宽：" window.screen.width; 
s = " 屏幕可用工作区高度：" window.screen.availHeight; 
s = " 屏幕可用工作区宽度：" window.screen.availWidth;

s = " 你的屏幕设置是 " window.screen.colorDepth " 位彩色"; 
s = " 你的屏幕设置 " window.screen.deviceXDPI " 像素/英寸";