求救!!!!iframe的问题

Question

<script>
//实现IFRAME动态增长
function autoResize()
{
try
{
document.all["WLT_SELCET"].style.height=WLT_SELCET.document.body.scrollHeight;
}
catch(e){}
}
</script>
<iframe name="WLT_SELCET" src="./common/blank.html"  marginwidth="0" marginheight="0" frameborder="0" scrolling="no" width=100% height="0" style="height:expression(1); aho:expression(autoResize())"> </iframe>

Answer 1

顶!!
如何得到iframe引入的DOCUMENT里面元素的值呀?

Answer 2

<iframe id=test src= ......
<script language=javascript>
test.Height=test.document.body.scrollHeight;
</script>

Answer 3

<script language="javascript">
function myonload()
{
var height=document.body.scrollHeight;
document.all.test.height=document.body.scrollHeight;
height=document.body.scrollHeight-height;
document.all.test.height=(document.all.test.height - height) ;
}
</script>