网页中嵌入windows 播放器 参数 URL 问题

Question

我在页面中嵌入
<object classid="clsid:6BF52A52-394A-11D3-B153-00C04F79FAA6" id="wmp" width="100%"height="120px" >
                            <param name="URL" value="down/2.dat" />
                            <!--媒体文件地址-->
                            <param name="rate" value="1" />
                            <param name="balance" value="0" />
                            <!--声道0全声道,-100左声道,100右声道-->
                            <param name="currentPosition" value="0" />
                            <param name="playCount" value="5" />
                            <!--播放次数-->
                            <param name="autoStart" value="-1" />
                            <!--是否自动播放-1是,0否-->
                            <param name="currentMarker" value="0" />
                            <param name="invokeURLs" value="-1" />
                            <param name="volume" value="100" />
                            <!--音量-->
                            <param name="mute" value="0" />
                            <!--是否静音-1是,0否-->
                            <param name="uiMode" value="none" />
                            <!--播放器模式full(默认)显示全部控件,none仅视频窗口,mini视频及一些常用控件,invisiblei不显示任何控件及视频窗口-->
                            <param name="stretchToFit" value="0" />
                            <param name="windowlessVideo" value="0" />
                            <param name="enabled" value="-1" />
                            <param name="enableContextMenu" value="-1" />
                            <param name="fullScreen" value="0" />
                            <!--是否全屏-->
                            <param name="enableErrorDialogs" value="-1" />
                            <!--是否允许出错信息提示-->
                        </object>这段 代码 在本地  可以播放视频   我放到服务器上 就无法播放了   不知道什么原因???