I have created a webpage that builds a table and graph using the GD
functions.  When I switch to another page or select a different month to
build the table for, the graph.jpg does not rebuild.  I have to press
reload to make the graph render using the new data.  I have used
imagedistroy($pic) in the hopes that this will work, but it didn't.

To elaborate on the situation, I first call imagecreate, then run the
code to create the bar graph.  I then use

imagejpg($pic,$graphname) (or something ot that affect.  I don't have
access to the code at home).

I then show the picture using 

echo "<img src=\"$graph\">";

Finally I call imagedestroy($pic).   Do you have any suggestions?

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