XMLHTTP+Javascript+Asp写得聊天室，无刷新实现。原创代码放送！服务器支持Asp即

################reload.asp##############
<%'Response.ContentType="text/xml"
    Response.Write "<?xml version=""1.0"" encoding=""GB2312""?>"
    Response.Write "<Msg>"
dim c_info,c_Lid,c_Ip,u_Lid,NewLid,u_name,i
c_info=Application("c_info")
u_Lid=session("u_Lid")
newLid=u_Lid
u_name="netnice"
for i=c_info(0)+6 to 240 step 6
     if (c_info(i)>u_Lid) and ((c_info(i+1)=u_name) or (c_info(i+2)=u_name) or (c_info(i+2)="大家") or (c_info(i+3)="0")) then
    Response.Write c_info(i+5)
     if (newLid<c_info(i)) then newLid=c_info(i)
     end if
next
for i=1 to c_info(0) step 6
     if (c_info(i)>u_Lid) and ((c_info(i+1)=u_name) or (c_info(i+2)=u_name) or (c_info(i+2)="大家") or (c_info(i+3)="0")) then
    Response.Write c_info(i+5)
     if (newLid<c_info(i)) then newLid=c_info(i)
     end if
next
Response.Write "</Msg>"
session("u_Lid")=newLid
%>

补充：asp教程,高级应用