How about these lines instead:

if (strpos($attrs, 'height=') === false && strpos($attrs, 'width=') === false) {
     list($realwidth,$realheight) = getimagesize($fieldURL.$location);
     $attr .= " width='$realwidth' height='$realheight'";
     }

It should solve the first problem plus help with performance as it
only runs the getimagesize function when needed.  (No idea how fast
that function may be)...

Give it a try if you have a sec and see if it does what you want. It
seems to work for me...  Thanks for the suggestion!

Cheers,
Dan

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