> Jeez, this is simple.  The browser is caching the image.  There's no real
> way to fix that.  There are some headers that may encourage the browser to
> not cache, but there is no sure way to control whether the users will have
> this setting overridden.

I use....

         $anticache= md5(rand(0,9999999));

and then

echo "<IMG
src=\"drawpic.php?arg1=blah&arg2=blah&.....&anticache=$anticache\" ....

Since this addition, i have never had a problem with cache,



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