问获取jqgrid中的单选按钮值

EN

var gridDocument = jQuery("#listDocument");
            gridDocument.jqGrid({
                url: 'jQGridHandler.ashx',
                postData: { ActionPage: 'ClearanceRequestDocument', Action: 'Fill', RequestId: '3' },
                ajaxGridOptions: { cache: false },
                loadonce: true,
                direction: "rtl",
                datatype: 'json',
                height: '490',
                colNames: ['DocumentNO', 'Documentname', 'OrginalCertificate', ' CopyCertificate', 'Remark'],
                colModel: [
                        { name: 'DOCUMENT_ID', width: 200, sortable: true, hidden: true },
                        { name: 'DOCUMENT_NAME', width: 200, sortable: true, editable: false },
                    {
                        name: 'Orignal', width: 80, fixed: true, align: 'center', resizable: false, sortable: false,
                        formatter: function (cellValue, option, rowObject) {
                            return '<input id="t2" type="radio" name="radio_' + rowObject + '" />';
                        }
                    },
                      {
                          name: 'Copy', width: 80, fixed: true, align: 'center', resizable: false, sortable: false,
                          formatter: function (cellValue, option, rowObject) {
                              return '<input id="t1" type="radio" name="radio_' + rowObject + '" />';
                          }
                      },
                     //  { name: 'is_ORGINAL', width: 80, sortable: true, editable: true, formatter: 'checkbox', edittype: 'checkbox', editoptions: { value: 'Yes:No', defaultValue: 'Yes'} },
                       //{ name: 'is_copy', width: 80, sortable: true, editable: true, formatter: 'checkbox', edittype: 'checkbox', editoptions: { value: 'Yes:No', defaultValue: 'Yes'} },
                        { name: 'REMARK', width: 200, sortable: true, editable: false }
                ],

                sortname: 'DOCUMENT_ID',
                viewrecords: true,
                rownumbers: true,
                sortorder: "desc",
                editurl: 'clientArray',
                altRows: true,
                altclass: 'ui-priority-secondary',
                onSelectRow: function (id) {
                    if (id && id !== lastSel) {
                        gridDocument.saveRow(lastSel, true, 'clientArray');
                        gridDocument.jqGrid('restoreRow', lastSel);
                        gridDocument.jqGrid('editRow', id, true, null, null, 'clientArray');
                        lastSel = id;
                        intArray[index] = id;
                        index += 1;
                    }
                },
                pager: '#pagerDocument',
                rowNum: 30,
                rowList: [30, 60, 90],

                loadComplete: function () {
                    var $this = $(this), ids = $this.jqGrid('getDataIDs'), i, l = ids.length;
                    for (i = 0; i < l; i++) {
                        $this.jqGrid('editRow', ids[i], true);
                    }
                }
            }).jqGrid('navGrid', '#pagerDocument', { edit: false, add: false, del: false, search: false, refresh: false });

for (var i = 0; i < $("#listDocument").getGridParam("reccount") ; i++) {
                                           var row = $("#listDocument").jqGrid('getRowData', i + 1);
                    alert($(row.Orignal).is(":checked") + "|" + row.Copy);

                }