About layout containing frame tag

I have used and tags in my store.rhtml which
conrresponds to store controller,the code fragment like this :

     <frame src=?>

but i do not know how to embed my action_view in this layout.For
example,to display index.rhtml,i set the value: “/store/index.rhtml” or
“<%=@content_for_layout%>” for the tag`s attribute:src,but i can
not display the index.rhtml in the store layout.
Who can help me?
Thank you !

Who can help me? Thank you very much!