(转)用javascript使iframe高度自适应(本域内)

1. (转)用javascript使iframe高度自适应(本域内) 
2. <script language="javascript" type="text/javascript">
3.          var getFFVersion=navigator.userAgent.substring(navigator.userAgent.indexOf
5. ("Firefox")).split("/")[1]
6.          //extra height in px to add to iframe in FireFox 1.0+ browsers   
7.          var FFextraHeight=getFFVersion>=0.1? 16 : 0  
8.          function dyniframesize(iframename)
9.          {
10.              var pTar = null;
11.              if (document.getElementById)
12.              {
13.                 pTar = document.getElementById(iframename); 
14.            }
15.             else
16.             {  
17.                 eval('pTar = ' + iframename + ';'); 
18.             }
19.             if (pTar && !window.opera)
20.             {
21.                 //begin resizing iframe
22.                 pTar.style.display="block" 
23.                 if (pTar.contentDocument && pTar.contentDocument.body.offsetHeight)
24.                 {
25.                     //ns6 syntax 
26.                     pTar.height = pTar.contentDocument.body.offsetHeight+FFextraHeight;
27.                }
28.                 else if (pTar.Document && pTar.Document.body.scrollHeight)
29.                 {
30.                     //ie5+ syntax 
31.                     pTar.height = pTar.Document.body.scrollHeight;
32.                 }
33.                
34.             }
35.         } 
36.     </script>
39. <iframe id="OrderFrame" src="test.aspx" marginwidth=0 marginheight=0 width=200 height=100 
41. frameborder=0 scrolling=no onload="javascript:{dyniframesize('OrderFrame');}"></iframe>