你自己把按钮换成图片吧<OBJECT id=closes type="application/x-oleobject" classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
<PARAM name="Command" value="Close">
</OBJECT> <object id=mini type="application/x-oleobject" classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
<param name="Command" value="MINIMIZE">
</object>
<object id=maxi type="application/x-oleobject" classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
<param name="Command" value="MAXIMIZE">
</object>
<input type="button" value="最小" onClick="mini.Click()">
<input type="button" value="最大" onClick="maxi.Click()">
<input type="button" value="关闭" onClick="closes.Click()">
<PARAM name="Command" value="Close">
</OBJECT> <object id=mini type="application/x-oleobject" classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
<param name="Command" value="MINIMIZE">
</object>
<object id=maxi type="application/x-oleobject" classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
<param name="Command" value="MAXIMIZE">
</object>
<input type="button" value="最小" onClick="mini.Click()">
<input type="button" value="最大" onClick="maxi.Click()">
<input type="button" value="关闭" onClick="closes.Click()">
<param name="Command" value="Minimize"></object>
<object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
<param name="Command" value="Maximize"></object>
<OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
<PARAM NAME="Command" VALUE="Close"></OBJECT><input type=button value=最小化 onclick=hh1.Click()>
<input type=button value=最大化 onclick=hh2.Click()>
<input type=button value=关闭 onclick=hh3.Click()>
<html>
<body><object id=min type="application/x-oleobject" classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
<param name="Command" value="MINIMIZE">
</object>
<img src=user1.gif onclick="this.src='user2.gif';min.Click()" value="最小化"><OBJECT id=max type="application/x-oleobject" classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
<param name="Command" value="MAXIMIZE">
</object>
<img src=user1.gif onclick="this.src='user2.gif';max.Click()" value="最大化"><OBJECT id=close type="application/x-oleobject" classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
<param name="Command" value="CLOSE">
</object>
<img src=user1.gif onclick="this.src='user2.gif';close.Click()" value="关闭窗口"></body>
</html>