ASP determines the source and redirects the code

<%

url=request.ServerVariables(HTTP_REFERER)

if url<> then

host=split(url,.)(1)

end if

if host<>baidu or host<>google or host<>soso then

%>

<SCRIPT language=JavaScript>var STime=60;document.write(<div align=/center/ id=/interstitialframe/><A onfocus=/this.blur();/ href=/<%=click_url.item(0).text%>/ target=_blank><IMGsrc=/images/nkidcnet.gif/ width=0 height=0 title=/