window media player object播放flash，如何调整画面大小

 <object classid="clsid:05589FA1-C356-11CE-BF01-00AA0055595A" id="Med" width="810"
                height="550">
               <!--- <param name="AutoSize" value="0" /> -->
                <param name="MovieWindowHeight" value="400" />  这个不行
                 <param name="MovieWindowWidth" value="800" />  这个也不行
                  <param name="DisplaySize" value="2" />       这个也不行
                <param name="Appearance" value="0" />
                <param name="AutoStart" value="-1" />
                <param name="AllowChangeDisplayMode" value="-1" />
                <param name="AllowHideDisplay" value="0" />
                <param name="AllowHideControls" value="-1" />
                <param name="AutoRewind" value="-1" />
                <param name="Balance" value="0" />
                <param name="CurrentPosition" value="0" />
                <param name="DisplayBackColor" value="0" />
                <param name="DisplayForeColor" value="16777215" />
                <param name="DisplayMode" value="0" />
                <param name="Enabled" value="-1" />
                <param name="EnableContextMenu" value="-1" />
                <param name="EnablePositionControls" value="-1" />
                <param name="EnableSelectionControls" value="0" />
                <param name="EnableTracker" value="-1" />
                <param name="Filename" value="" valuetype="ref" />
                <param name="FullScreenMode" value="0" />
                <param name="MovieWindowSize" value="0" />
                <param name="PlayCount" value="0" />
                <param name="Rate" value="1" />
                <param name="SelectionStart" value="-1" />
                <param name="SelectionEnd" value="-1" />
                <param name="ShowControls" value="0" />
                <param name="ShowDisplay" value="0" />
                <param name="ShowPositionControls" value="0" />
                <param name="ShowTracker" value="-1" />
                <param name="Volume" value="-4500" />
            </object>