在使用DHTML進(jìn)行編程時比較有用，防止瀏覽器在請求中，死掉
var
?xml?
=
?GenXMLData(tableName,?fieldID,?
""
,?
""
);
????
var
?content?
=
?
"
<
table?height=100%?width=100%><tr><td><div?id='divDoing'?style
='position:absolute;?left:500px;?top:136px;?width:196px;?height:105px;?z-
index:1;'><div?align='center'><p><img?src='../Images/doing.gif'?width
='32'?height='32'/></p><p><br/>正在查詢、請稍候……</p>
</div></div></td></tr></table>
"
;
????contentTD.innerHTML?
=
?content;
????????
var
?XmlHttp
=
new
?ActiveXObject(
"
Microsoft.XMLHTTP
"
);
????XmlHttp.onreadystatechange
=
function
()
{
???????
if
(XmlHttp.readyState
==
4
)
{
????????????
if
(XmlHttp.status
==
200
)
????????????
{
??????????????contentTD.innerHTML?
=
?XmlHttp.responseText;
??????????????firstPost?
=
?
true
;
????????????}
????????????
else
????????????contentTD.innerHTML?
=
?content?;
????????}
????}
????XmlHttp.open(
"
post
"
,webFile,
true
);
????XmlHttp.send(xml);
posted on 2008-03-08 22:49
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