<div id="imgNone" style="filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='',sizingMethod=scale,width=88px,height=113px);width:88px;height:113px;">
        </div><asp:FileUpload ID="FileUpload2" 
            runat="server"  onchange="CheckImgCss(this,'imgNone')" />        function $(o) { return document.getElementById(o); }
        function CheckImgCss(o, img) {
            if (!/\.((jpg)|(bmp)|(gif)|(png))$/ig.test(o.value)) {
                alert('只能上传jpg,bmp,gif,png格式图片!');
                o.outerHTML = o.outerHTML;
            }
            else {
                $(img).filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = o.value;
            }
        }该如何的控制imgNone中img的大小呢?