if j mod 3=0 then
Response.Write "<tr><td width='250'><div align='center'>"
else
Response.Write "<td width='250'><div align='center'>"
end if
%>
<a href=rtsp://172.16.0.1/<% =url1 %> >
<% response.write explain %> </A>
<%
j=j + 1
if j mod 3=0 then
Response.Write "</td></tr>"
else
Response.Write "</td>"
end if
next