Marco Tabini schrieb:

> Simple trick (well, not so simple, but kind of a Columbus' Egg):
>
> 1) Create an <img> tag in your web page that is hidden
>
> 2) Point the img tag to a php script that returns:
>
>         1) An image with a pixel width of 1 if there is new data to pick
>            up from the server
>         2) An image with a pixel width of 0 otherwise
>
> 3) Create a javascript that refreshes the image every second (or every
> two seconds, or however often you feel necessary--the more often, the
> more responsive and "real time" your chat system will be).
>
> 4) Add an OnLoad event to the img tag that points to a Javascript that
> checks the width of the newly reloaded image. If the width is one, then
> you reload your chat text content (which you may want to put in an
> iframe to avoid having to reload the whole page).
>
> I don't have a script to show unfortunately, as it would probably be too
> complicated and long for the list (and I have no time to write
> it...<sigh>), but hopefully, this will give you the gist of it.
>
> Cheers,
>
> Marco
>

Okay, that sounds like something i can do, i just need to know how to hide
and how to point the img tag at something.
Olli



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