jquery控制动态生成的gridview中多列checkbox的全选反选及自动判断是否全选状态

 <table class="usertableborder" cellspacing="0" rules="all" border="1" id="gvEquData"  
        style="border-collapse: collapse;">  
        <thead>  
            <tr class="Freezing">  
                <th scope="col" style="white-space: nowrap; word-break: keep-all; word-wrap: keep-all">  
                    序号  
                </th>  
                <th scope="col" style="white-space: nowrap; word-break: keep-all; word-wrap: keep-all">  
                    设备连接状态  
                </th>  
                <th scope="col" style="white-space: nowrap; word-break: keep-all; word-wrap: keep-all">  
                    <a href="javascript：__doPostBack('gvEquData','Sort$samid')">POS机编号</a>  
                </th>  
                <th scope="col" style="white-space: nowrap; word-break: keep-all; word-wrap: keep-all">  
                    <span class="farupdateflag">  
                        <input id="gvEquData_ctl01_farupdateflag" type="checkbox" name="gvEquData$ctl01$farupdateflag" /></span>FAR参数更新标识  
                </th>  
                <th scope="col" style="white-space: nowrap; word-break: keep-all; word-wrap: keep-all">  
                    <span class="rwsoftupdateflag">  
                        <input id="gvEquData_ctl01_rwsoftupdateflag" type="checkbox" name="gvEquData$ctl01$rwsoftupdateflag" /></span>软件更新标识  
                </th>  
                <th scope="col" style="white-space: nowrap; word-break: keep-all; word-wrap: keep-all">  
                    <span class="mtksoftupdateflag">  
                        <input id="gvEquData_ctl01_mtksoftupdateflag" type="checkbox" name="gvEquData$ctl01$mtksoftupdateflag" /></span>MTK软件更新标识  
                </th>  
                <th scope="col" style="white-space: nowrap; word-break: keep-all; word-wrap: keep-all">  
                    <a href="javascript：__doPostBack('gvEquData','Sort$mtkcsnver')">MTK中黑名单版本</a>  
                </th>  
                <th scope="col" style="white-space: nowrap; word-break: keep-all; word-wrap: keep-all">  
                    <span class="rfsimsoftupdateflag">  
                        <input id="gvEquData_ctl01_rfsimsoftupdateflag" type="checkbox" name="gvEquData$ctl01$rfsimsoftupdateflag" /></span>RFSIM软件更新标识  
                </th>  
                <th scope="col" style="white-space: nowrap; word-break: keep-all; word-wrap: keep-all">  
                    <span class="iniupdateflag">  
                        <input id="gvEquData_ctl01_iniupdateflag" type="checkbox" name="gvEquData$ctl01$iniupdateflag" /></span>INI文件更新标识  
                </th>  
                <th scope="col" style="white-space: nowrap; word-break: keep-all; word-wrap: keep-all">  
                    <span class="posupdateflag">  
                        <input id="gvEquData_ctl01_posupdateflag" type="checkbox" name="gvEquData$ctl01$posupdateflag" /></span>POS参数更新标识  
                </th>  
                <th scope="col" style="white-space: nowrap; word-break: keep-all; word-wrap: keep-all">  
                    <a href="javascript：__doPostBack('gvEquData','Sort$bcbeginno')">补采起始号</a>  
                </th>  
                <th scope="col" style="white-space: nowrap; word-break: keep-all; word-wrap: keep-all">  
                    <a href="javascript：__doPostBack('gvEquData','Sort$bcendno')">补采截至号</a>  
                </th>  
                <th scope="col" style="white-space: nowrap; word-break: keep-all; word-wrap: keep-all">  
                    <a href="javascript：__doPostBack('gvEquData','Sort$bcbegindate')">补采起始日期</a>  
                </th>  
                <th scope="col" style="white-space: nowrap; word-break: keep-all; word-wrap: keep-all">  
                    <a href="javascript：__doPostBack('gvEquData','Sort$bcenddate')">补采结束日期</a>  
                </th>  
                <th scope="col" style="white-space: nowrap; word-break: keep-all; word-wrap: keep-all">  
                    <a href="javascript：__doPostBack('gvEquData','Sort$bctotalcount')">补采总条数</a>  
                </th>  
                <th scope="col" style="white-space: nowrap; word-break: keep-all; word-wrap: keep-all">  
                    <a href="javascript：__doPostBack('gvEquData','Sort$bccurrentcount')">  
                        补采已上传条数</a>  
                </th>  
                <th scope="col" style="white-space: nowrap; word-break: keep-all; word-wrap: keep-all">  
                    <a href="javascript：__doPostBack('gvEquData','Sort$busno')">车辆编号</a>  
                </th>  
                <th scope="col" style="white-space: nowrap; word-break: keep-all; word-wrap: keep-all">  
                    <a href="javascript：__doPostBack('gvEquData','Sort$driverno')">司机编号</a>  
                </th>  
                <th scope="col" style="white-space: nowrap; word-break: keep-all; word-wrap: keep-all">  
                    <a href="javascript：__doPostBack('gvEquData','Sort$mtkusrver')">MTK中USR参数版本</a>  
                </th>  
                <th scope="col" style="white-space: nowrap; word-break: keep-all; word-wrap: keep-all">  
                    <a href="javascript：__doPostBack('gvEquData','Sort$mtkfarver')">MTK中FAR参数版本</a>  
                </th>  
                <th scope="col" style="white-space: nowrap; word-break: keep-all; word-wrap: keep-all">  
                    <a href="javascript：__doPostBack('gvEquData','Sort$mtkparver')">MTK中PAR参数版本</a>  
                </th>  
            </tr>  
        </thead>  
        <tbody>  
            <tr onmouseover="Color=this.style.backgroundColor;this.style.backgroundColor='RosyBrown'"  
                onmouseout="this.style.backgroundColor=Color;" ondblclick="showDetailInfo('?id=');return false;"  
                style="background-color: Silver;">  
                <td style="white-space: nowrap; word-break: keep-all; word-wrap: keep-all"> 
补充：web前端 , JavaScript ,