How to clear an XML file after use (IE)

[mjbrunelle]

We have chemical product that is restricted by certain states.

We generate a "State Compliance" page through javascript and an XML file since this data changes regularly.

It works fine in FireFox, but IE keeps the downloaded XML file in the TEMP Files and appears to ignore the new xhttp.open request as long as the customer has not cleared their Temp Files. Thus it re-uses the old file when the customer goes to the page so updates are not shown.

Any suggestions.

Thanks

MarkB