It depends on your IIS settings.
*IF* IIS is set to "allow parent paths", then from that ASP page you could use
imagePath = Server.MapPath("../data/images/30072013/0/") & RS("imagename")
But if your server is not allowing parent paths, then you can't use ".." in Server.MapPath.
But there's no reason you couldn't build your own:
currentDir = Server.MapPath(".") ' this should always be allowed
' if that path ends in a \ strip it off
If Right(currentDir,1) = "\" Then currentDir = Left(currentDir,Len(currentDir)-1)
' then strip off everything after last remaining \
upOne = Left( currentDir, InStrReverse(currentDir,"\") )
' and now you can build on that to get the full path:
imagePath = upOne & "data\images\30072013\0\" & RS("imagename")