asp如何解析一个xml形式的字符串，不是一个xml文档，

asp怎么解析一个xml形式的字符串，不是一个xml文档，急，求助！！！
用asp解析
" <lottery_retu> <lottery_req> <md5> transid#status#memo#zgcpzx的密钥# </md5> <transid> 1003 </transid> <status> SUCC </status> <memo> </memo> </lottery_req> </lottery_retu> "
这个字符串，取 <transid> 的数据1003，请问怎么做？？？


[解决办法]
dom的 loadXML()
Dim oDoc, oNode
Set oDoc= CreateObject( "Msxml2.DOMDocument ")
With oDoc
.async= False
.loadXML( " <lottery_retu> <lottery_req> <md5> transid#status#memo#zgcpzx的密钥# </md5> <transid> 1003 </transid> <status> SUCC </status> <memo> </memo> </lottery_req> </lottery_retu> ")
If .parseError.errorCode <> 0 Then
response.write .parseError.reason
Else
Set oNode = .selectSingleNode( " "/lottery_retu/lottery_req/transid ")
If Not (oNode Is Nothing) Then response.write oNode.text
Set oNode = Nothing
End If
End With
Set oDoc = Nothing
[解决办法]
用dom.LoadXml(str)就可
[解决办法]
Set oNodes = .selectNodes( "/lottery_retu/lottery_req/transid ")
For i = 0 To oNodes.length - 1
response write oNodes(i).text
Next
[解决办法]
<script type= "text/javascript ">

var text= " <lottery_retu> <lottery_req> <md5> transid#status#memo#zgcpzx 的密钥# </md5> <transid> 1003 </transid> <status> SUCC </status> <memo> </memo> </lottery_req> <lottery_req> <md5> 1234556# </md5> <transid> 1004 </transid> <status> SUCC </status> <memo> </memo> </lottery_req> </lottery_retu> ";


var doc=new ActiveXObject( "Microsoft.XMLDOM ");

doc.async= "false ";

doc.loadXML(text);

var x=doc.getElementsByTagName( "transid ");

for(var i=0;i <x.length;i++)
{
document.write(x.item(i).text+ " <br/> ");

}

</script>