用javascript 加载Excel文件

<object classid="clsid:0002E559-0000-0000-C000-000000000046" width="1000" id="Spreadsheet1"
            height="300">
            <param name="DataType" value="HTMLURL"/>
            <param name="AllowPropertyToolbox" value="-1"/>
            <param name="AutoFit" value="0"/>
            <param name="Calculation" value="-4105">
            <param name="Caption" value="采购执行情况一览表"/>
            <param name="DisplayColumnHeadings" value="-1"/>
            <param name="DisplayGridlines" value="-1">
            <param name="DisplayHorizontalScrollBar" value="-1"/>
            <param name="DisplayOfficeLogo" value="-1"/>
            <param name="DisplayPropertyToolbox" value="0"/>
            <param name="DisplayRowHeadings" value="-1"/>
            <param name="DisplayTitleBar" value="0"/>
            <param name="DisplayToolbar" value="-1"/>
            <param name="DisplayVerticalScrollBar" value="-1"/>
            <param name="DisplayWorkbookTabs" value="-1"/>
            <param name="EnableEvents" value="-1"/>
            <param name="MaxHeight" value="80%"/>
            <param name="MaxWidth" value="100%"/>
            <param name="MoveAfterReturn" value="-1"/>
            <param name="MoveAfterReturnDirection" value="-4121"/>
            <param name="RightToLeft" value="0"/>
            <param name="ScreenUpdating" value="-1"/>
            <param name="LockedDown" value="0"/>
            <param name="ConnectedToChart" value="0"/>
            <param name="DefaultQueryOnLoad" value="-1"/>
            <param name="EnableUndo" value="-1"/>
            </object>
我要在这个控件里加载一个Excel文件，比如F:\20090602.xls，这个文件，请问怎么加载。谢绝“顶”“路过”等类型的帖。