js控制media player播放器的问题

Question

//播放
function play(){
var player = document.getElementById("Player");
player.play(); 
} 
//暂停
function pause(){
var player = document.getElementById("Player");
player.pause(); 
clearInterval(state); 
} 
//停止
function stop(){
var player = document.getElementById("Player");
player.stop(); 
clearInterval(state); 
}
//快进1秒
function StepNext(){
var player = document.getElementById("Player");
var timer = Math.round(player.currentPosition);
player.currentPosition = timer + 1;
}
//快退1秒
function StepPrev(){
var player = document.getElementById("Player");
var timer = Math.round(player.currentPosition);
player.currentPosition = timer - 1;
}
//快进10秒
function Step10Next(){
var player = document.getElementById("Player");
var timer = Math.round(player.currentPosition);
player.currentPosition = timer + 10;
}
//快退10秒
function Step10Prev(){
var player = document.getElementById("Player");
var timer = Math.round(player.currentPosition);
player.currentPosition = timer - 10;
}
<object classid="clsid:22D6F312-B0F6-11D0-94AB-0080C74C7E95" id="Player" width="252" height="220">
                <param name="AudioStream" value="-1">
                <param name="AutoSize" value="0">
                <param name="AutoStart" value="True">
                <param name="AnimationAtStart" value="-1">
                <param name="AllowScan" value="-1">
                <param name="AllowChangeDisplaySize" value="-1">
                <param name="AutoRewind" value="0">
                <param name="Balance" value="0">
                <param name="BaseURL" value="">
                <param name="BufferingTime" value="3">
                <param name="CaptioningID" value="">
                <param name="ClickToPlay" value="0">
                <param name="CursorType" value="0">
                <param name="CurrentPosition" value="-1">
                <param name="CurrentMarker" value="0">
                <param name="DefaultFrame" value="">
                <param name="DisplayBackColor" value="0">
                <param name="DisplayForeColor" value="16777215">
                <param name="DisplayMode" value="0">
                <param name="DisplaySize" value="0">
                <param name="Enabled" value="-1">
                <param name="EnableContextMenu" value="0">
                <param name="EnablePositionControls" value="-1">
                <param name="EnableFullScreenControls" value="0">
                <param name="EnableTracker" value="-1">
                <param name="Filename" value="">
                <param name="InvokeURLs" value="-1">
                <param name="Language" value="-1">
                <param name="Mute" value="0">
                <param name="PlayCount" value="1">
                <param name="PreviewMode" value="0">
                <param name="Rate" value="1">
                <param name="SAMILang" value="">
                <param name="SAMIStyle" value="">
                <param name="SAMIFileName" value="">
                <param name="SelectionStart" value="-1">
                <param name="SelectionEnd" value="-1">
                <param name="SendOpenStateChangeEvents" value="-1">
                <param name="SendWarningEvents" value="-1">
                <param name="SendErrorEvents" value="-1">
                <param name="SendKeyboardEvents" value="0">
                <param name="SendMouseClickEvents" value="-1">
                <param name="SendMouseMoveEvents" value="0">
                <param name="SendPlayStateChangeEvents" value="-1">
                <param name="ShowCaptioning" value="0">
                <param name="ShowControls" value="1">
                <param name="ShowAudioControls" value="1">
                <param name="ShowDisplay" value="0">
                <param name="ShowGotoBar" value="0">
                <param name="ShowPositionControls" value="0">
                <param name="ShowStatusBar" value="-1">
                <param name="ShowTracker" value="-1">
                <param name="TransparentAtStart" value="0">
                <param name="VideoBorderWidth" value="0">
                <param name="VideoBorderColor" value="0">
                <param name="VideoBorder3D" value="0">
                <param name="Volume" value="-2040">
                <param name="WindowlessVideo" value="0">
                <embed src="../../../test/-1" width="352" height="288" autostart="-1" audiostream="-1" autosize="0" animationatstart="-1" allowscan="-1" allowchangedisplaysize="-1" autorewind="0" balance="0" baseurl="" bufferingtime="3" captioningid="" clicktoplay="0" cursortype="0" currentposition="-1" currenter="0" defaultframe="" displaybackcolor="0" displayforecolor="16777215" displaymode="0" displaysize="0" enabled="-1" enablecontextmenu="0" enablepositioncontrols="-1" enablefullscreencontrols="0" enabletracker="-1" filename="<%=strvodpath%>" invokeurls="-1" language="-1" mute="0" playcount="1" previewmode="0" rate="1" samilang="" samistyle="" samifilename="" selectionstart="-1" selectionend="-1" sendopenstatechangeevents="-1" sendwarningevents="-1" senderrorevents="-1" sendkeyboardevents="0" sendmouseclickevents="-1" sendmousemoveevents="0" sendplaystatechangeevents="-1" showcaptioning="0" showcontrols="1" showaudiocontrols="0" showdisplay="0" showgotobar="0" showpositioncontrols="0" showstatusbar="0" showtracker="-1" transparentatstart="0" videoborderwidth="0" videobordercolor="0" videoborder3d="0" volume="-2040" windowlessvideo="0"></embed>
              </object>
问：播放器在播放时，快进快退能够快速定位并播放到快进或快退的地方的画面。
而，以暂停的方式快进或快退时候，如何才能将播放器中显示的画面（帧）定位到快进或快退的地方，而不是在暂停的点上？？？？