Yeah, an example of code or a link would help. However, it sounds like you have the "target" attribute set in the <a href="" target=""> Tag. If you don't, you can set it like this:
<a href="yourlink.html" target="_self">Link</a>
where yourlink is the link to the page you want to display, and target in this case would refer to the current window, not just the frame. And, as Jon F said, I generally tend to stay away from frames.
Other targets are: