I want to know if someone is reloading my page(ie, click the
RELOAD button), can I use some variables in cgi to do this?
How to get the date since there is no such environment variable available? please tell me in details. (say currentTime = date(...) or something like that)
And finally, I want to figure out who are currently on
my page, that is, to find out all the users who are currently on my page.(use REMOTE_ADDR can get only one