1 function getClientHeight()
2 {
3 //可见高
4 var clientHeight=document.body.clientHeight;//其它浏览器默认值
5 if(navigator.userAgent.indexOf("MSIE 6.0")!=-1)
6 {
7 clientHeight=document.body.clientHeight;
8 }
9 else if(navigator.userAgent.indexOf("MSIE")!=-1)
10 {
11 //IE7 IE8
12 clientHeight=document.documentElement.offsetHeight
13 }
14
15 if(navigator.userAgent.indexOf("Chrome")!=-1)
16 {
17 clientHeight=document.body.scrollHeight;
18 }
19
20 if(navigator.userAgent.indexOf("Firefox")!=-1)
21 {
22 clientHeight=document.documentElement.scrollHeight;
23 }
24 return clientHeight;
25 }
26
27 //获得网页内容高度
28 function getContentHeight()
29 {
30 //可见高
31 var ContentHeight=document.body.scrollHeight;//其它浏览器默认值
32
33 if(navigator.userAgent.indexOf("Chrome")!=-1)
34 {
35 ContentHeight= document.body.clientHeight;
36 }
37
38 if(navigator.userAgent.indexOf("Firefox")!=-1)
39 {
40 ContentHeight=document.body.offsetHeight;
41 }
42 return ContentHeight;
43 }