jquery .append().html() IE不兼容

function loadSearItemF()
{ 
    $("#goangying_ul li").remove();
    var queryString = location.href.substring(location.href.indexOf("?") + 1);
    $.getJSON("../Handler/SupplySearchHandler.ashx?action=SegmentationSearCondition&"+queryString+"&t=" + new Date()+"&comuln="+column, function(data){
    $.each(data.pro, function(i, item){
    var li=$("<li>").append($("<a target=\"_blank\" class=\"vip2\" href=\"http://zyqc.cc/WebShops/SupplyDetail/zengqingjun/430845\">").html("<img class=\"supply_grid_img\" border=\"0\" style=\"width: 100px; height: 72px;\"  src=\"http://pic.zyqc.cc/Home/GetThumbnailEx/!_UploadFiles!_20110922!_151932193!-jpg/100x72__.jpg\" alt=\"供应"+(item.name)+"\"/>"));
    li.attr("class","o");
    $("#goangying_ul").append(li);
      });
      });
}