try this;把document.frmCheck.action = "http://www.263.net";---〉
document.frmCheck.action = "<%=你查询到网址%>";
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD>
<script languge="javascript">
function doLink(){
    document.frmCheck.target = "_top";
    document.frmCheck.action = "http://www.263.net";
    document.frmCheck.submit();
}
</script><form name="frmCheck">
<BODY onload="doLink()"></BODY>
</form>
</HTML>