What you have is the underlying frameset page. You should be able to parse the html for the urls to the actual content pages that are loaded into the frames, then fetch them directly. It will look something like the following. You want the src= attribute inside the <frame> tags.

<frameset frameborder="0" framespacing="0" border="0" rows="120,*">
    <frame src="menu.html" name="topmenu" target="body" scrolling="no"
+ noresize>
    <frame src="main.html" name="body" scrolling="auto">
</frameset>
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