Hi there,

I'm getting this error:

document[...]is null or not an object - line 22

However, I'm not sure why. This is the code where the error is occurring:

    document[thisImg].src = "image_bin/" + thisImg + "_up.gif"

The path to the image_bin is all correct etc.

Any help greatly appreciated.

Try document.images instead of document.

HTH,

Snib

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great, thanks