Flash button cache problem... Pls. help me its argent


I am having a flash button and an URL is embadded in it. that URL points to a dynamic page like (jsp file). When I logged with my user id and password at the first time it is showing my details but when I logged with other user id and password and click on this flash button I am seeing the previously logged in page. But when I gave a refresh (F5) it is showing current user details.

I am not getting this peoblem when I close the browser and opening a new broswer for logging.

Pls. help me out regarding this. Its very argent and also i m new to flash.

Thanks in advance