Ho provato in questo modo:

<a href="homepage.htm" target="Frame_dx_basso"><object classid="clsid27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width="150" height="50">
<param name="movie" value="Home.swf">
<param name="quality" value="high">
<embed src="Home.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="150" height="50"></embed></object></a>

Però non funziona