I believe they are using meta refresh tags in the html to refresh the page
on a regular interval.

Craig


On Wed, 20 Sep 2000, Michael Nachbaur wrote:

> This is off-topic, but I need an answer pretty quick, and I *am* writing this app 
>using mod_perl, so its sorta related (also, I don't want the headache of 
>re-subscribing to a new list).
> 
> You know those online web-based tech support chat systems?  Its commonly frame 
>based, but its just like IRC, but over HTML.  when a user posts a message it 
>immediatly pops up on the chat frame, and you submit your message through a 
>regular-ol' HTML form.  I don't think this is an applet, because this works in all 
>sorts of browsers.  I think its javascript, but I'm not sure. My main question, is 
>when the server knows that a new message has been posted, how does it push that new 
>page out to the client web browser?  I'm used to all page-views originating from the 
>client...not the server.
> 
> Any ideas?
> 
> --man
> Michael A. Nachbaur (KE6WIA)
> mike(at)nachbaur(dot)com
> http://www.nachbaur.com
> "......I've got blisters on my fingers!!!"  -- Ringo Starr
> 

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