下传图片这个按钮在IE6、7下无法点击，IE8正常

function getUpApi(obj) {

            uploadInit(obj, "../../sysaspx/upload.aspx", "jpg,jpeg,gif,png,doc,zip,rar,txt,swf,flv,mp3,avi,ram,rm,wma,wmv,pdf");

        }





 <tr>

                            <td align="center" height="30">

                                信息图片：

                            </td>

                            <td>

                                

                                <input name="BaseInfo_Image" type="text" style="width: 300px" id="BaseInfo_Image" class="xheText" />



                                <script type="text/javascript">

                                    getUpApi($("#BaseInfo_Image"));

                                </script>



                            </td>

                        </tr>