Ajax1.0的Bug,AjaxControlToolkit.ResizableControl控件缩放图标的定位问题？

Ajax1.0的Bug,AjaxControlToolkit.ResizableControl控件缩放图标的定位问题？
ResizableControl控件当有滚动条时，小图标不能显示在右下角,如果设置了div层的属性position: absolute;
则缩放图标会被滚动条遮住，必须把滚动条滚动右下角才能看见。
 <div id="inputDiv" runat="server" visible=false class="frameDiv">
    ...
 </div>
    <ajaxToolkit:ResizableControlExtender ID="ResizableControlExtender1" BehaviorID="ResizableControlBehavior1" runat="server"
        TargetControlID="Test"
        ResizableCssClass="resizingImage"
        HandleCssClass="handleImage"
        MinimumWidth="272"
        MinimumHeight="200"
        MaximumWidth="800"
        MaximumHeight="600"
        HandleOffsetX="3"
        HandleOffsetY="3"
        OnClientResize="OnClientResizeImage" />

.frameDiv
{
    font: caption;
    position: absolute;
    background-color: white;
    top: 24px;
    left: 332px;
    width:272px;
    z-index:1;
    border-right:black 1px solid;
    border-top: black 1px solid;
    border-left: black 1px solid;
    border-bottom: black 1px solid;
    overflow:scroll;
    padding:3px;
}
.handleImage
{
 width:15px;
 height:16px;
 background-image:url(../images/HandleHand.png);
 overflow:hidden;
 cursor:se-resize;
}

.resizingImage
{
 padding:0px;
 border-style:solid;
 border-width:3px;
 border-color:#B4D35D;
}