Assume
你左邊的視窗 file name as frame_a.htm
你右邊的視窗 file name as frame_b.htm
在你的index.htm page
frame src="frame_b.htm' ' 後add name = ''body''
next, 在frame_a.htm file hyperlink 後add target="body''
save them 便可
If you have question, you can email to me. I try to provide you more detail but the coding get lost when I click preview!!!!