return to wrong page

i am creating my web site using jsp. the problem that is faced is when i click submit button after execute my page, it will return to wrong page. however i already type return to the relevant page in my program. how to make sure that after click submit button, my page will return to the relevant page. my program is using frame. Firstly, i select option from the list bar. after select, it will execute my program. unfortunately after execute it returned to the wrong page

Are you working with JSP's and servlets or just plain JSP's ?