I think atcroft is right. If the image name/size does not change then the browser will use its owned cached version. Try adding a 'no-cache' pragma to your HTML header. I note you are using CGI.pm, therefore the additional header is: 
print header( -pragma => 'no-cache' );

[download]
This should handle it with any luck.

jdtoronto

In reply to Re: Item not refreshing with the page by jdtoronto
in thread Item not refreshing with the page by sulfericacid

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