js得到当前窗口内的宽度和高度

 1 <SCRIPT  LANGUAGE="JavaScript">  
 2 var    s  =  "网页可见区域宽："+  document.body.clientWidth;  
 3 s  +=  "\r\n网页可见区域高："+  document.body.clientHeight;  
 4 s  +=  "\r\n网页可见区域高："+  document.body.offsetWeight  +"  (包括边线的宽)";  
 5 s  +=  "\r\n网页可见区域高："+  document.body.offsetHeight  +"  (包括边线的宽)";  
 6 s  +=  "\r\n网页正文全文宽："+  document.body.scrollWidth;  
 7 s  +=  "\r\n网页正文全文高："+  document.body.scrollHeight;  
 8 s  +=  "\r\n网页被卷去的高："+  document.body.scrollTop;  
 9 s  +=  "\r\n网页被卷去的左："+  document.body.scrollLeft;  
10 s  +=  "\r\n网页正文部分上："+  window.screenTop;  
11 s  +=  "\r\n网页正文部分左："+  window.screenLeft;  
12 s  +=  "\r\n屏幕分辨率的高："+  window.screen.height;  
13 s  +=  "\r\n屏幕分辨率的宽："+  window.screen.width;  
14 s  +=  "\r\n屏幕可用工作区高度："+  window.screen.availHeight;  
15 s  +=  "\r\n屏幕可用工作区宽度："+  window.screen.availWidth;  
16 alert(s);  
17 </SCRIPT>