How to employ check-boxes on each column in data-table ?

$(document).ready(function () {
           var oTable = $('#example').dataTable({
               "aoColumnDefs": [{
                   "aTargets": [0],
                   //"mData": "download_link",
                   "mRender": function (data, type, full) {
                       if (data == "Gecko") {
                           return '<a href="' + data + '">' + data + ' Download Gecko</a>';
                       } else {
                           return '<a href="' + data + '">' + data + ' Download</a>';
                       }
                   }
               }, {
                   "aTargets": [1],
                   //"mData": "download_link",
                   "mRender": function (data, type, full) {
                       if (data == "1") {
                           return '<input type=\"checkbox\" checked value="' + data + '">';
                       } else {
                           return '<input type=\"checkbox\" value="' + data + '">';
                       }
                   }
               }, {
                   "aTargets": [2],
                   //"mData": "download_link",
                   "mRender": function (data, type, full) {
                       if (data == "1") {
                           return '<input type=\"checkbox\" checked value="' + data + '">';
                       } else {
                           return '<input type=\"checkbox\" value="' + data + '">';
                       }
                   }
               }, {
                   "aTargets": [3],
                   //"mData": "download_link",
                   "mRender": function (data, type, full) {
                       if (data == "1") {
                           return '<input type=\"checkbox\" checked value="' + data + '">';
                       } else {
                           return '<input type=\"checkbox\" value="' + data + '">';
                       }
                   }
               }, {
                   "aTargets": [4],
                   //"mData": "download_link",
                   "mRender": function (data, type, full) {
                       if (data == "1") {
                           return '<input type=\"checkbox\" checked value="' + data + '">';
                       } else {
                           return '<input type=\"checkbox\" value="' + data + '">';
                       }
                   }
               }

               ],
               "bFilter": false,
               "sScrollY": "500px",
               "bPaginate": false,
               "bProcessing": true,
               "sAjaxSource": "sources/sample.json"
           });


       });