Refeshing loadVariables

Does anyone know how to refresh the dynamic varaibles using the loadVariables command?

At the moment they are caching on the web - but it works the way i want it when tested in Flash.

:s:

you can prevent caching by… well, here:
http://www.macromedia.com/support/flash/ts/documents/prevent_caching.htm

(note #3 - use that with your load variables url, usually in combination with a random number or the date or getTimer())