set flash in object tag transparent to all page contents such as menues

  <object classid="clsid:D27CDB6E-AE6D-11CF-96B8-444553540000" id="obj2" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0"
            border="0" width="400px" height="288px" usemap="images/MapStatement.swf">
            <param name="movie" value="images/MapStatement.swf" />
            <param name="quality" value="High" />
            <param name="wmode" value="transparent" />
            <embed src="images/map.swf" pluginspage="http://www.macromedia.com/go/getflashplayer"
                type="application/x-shockwave-flash" name="obj2" width="400px" height="288px"
                wmode="transparent" /></object>



as the example we have wmode property and wmode parameter to affects on flash transparency .