$.extend( $.fn.dataTableExt.oPagination, {
      "bootstrap": {
        "fnInit": function( oSettings, nPaging, fnDraw ) {
          var oLang = oSettings.oLanguage.oPaginate;
          var fnClickHandler = function ( e ) {
            e.preventDefault();
            if ( oSettings.oApi._fnPageChange(oSettings, e.data.action) ) {
              fnDraw( oSettings );
            }
          };

          $(nPaging).addClass('pagination').append(
            '<ul>'+
              '<li class="prev disabled"><a href="#">&larr; '+oLang.sPrevious+'</a></li>'+
              '<li class="next disabled"><a href="#">'+oLang.sNext+' &rarr; </a></li>'+
            '</ul>'
          );
          var els = $('a', nPaging);
          $(els[0]).bind( 'click.DT', { action: "previous" }, fnClickHandler );
          $(els[1]).bind( 'click.DT', { action: "next" }, fnClickHandler );
        },

        "fnUpdate": function ( oSettings, fnDraw ) {
          var iListLength = 5;
          var oPaging = oSettings.oInstance.fnPagingInfo();
          var an = oSettings.aanFeatures.p;
          var i, j, sClass, iStart, iEnd, iHalf=Math.floor(iListLength/2);

          if ( oPaging.iTotalPages < iListLength) {
            iStart = 1;
            iEnd = oPaging.iTotalPages;
          }
          else if ( oPaging.iPage <= iHalf ) {
            iStart = 1;
            iEnd = iListLength;
          } else if ( oPaging.iPage >= (oPaging.iTotalPages-iHalf) ) {
            iStart = oPaging.iTotalPages - iListLength + 1;
            iEnd = oPaging.iTotalPages;
          } else {
            iStart = oPaging.iPage - iHalf + 1;
            iEnd = iStart + iListLength - 1;
          }

          for ( i=0, iLen=an.length ; i<iLen ; i++ ) {
            // Remove the middle elements
            $('li:gt(0)', an[i]).filter(':not(:last)').remove();

            // Add the new list items and their event handlers
            for ( j=iStart ; j<=iEnd ; j++ ) {
              sClass = (j==oPaging.iPage+1) ? 'class="active"' : '';
              $('<li '+sClass+'><a href="#">'+j+'</a></li>')
                .insertBefore( $('li:last', an[i])[0] )
                .bind('click', function (e) {
                  e.preventDefault();
                  oSettings._iDisplayStart = (parseInt($('a', this).text(),10)-1) * oPaging.iLength;
                  fnDraw( oSettings );
                } );
            }

            // Add / remove disabled classes from the static elements
            if ( oPaging.iPage === 0 ) {
              $('li:first', an[i]).addClass('disabled');
            } else {
              $('li:first', an[i]).removeClass('disabled');
            }

            if ( oPaging.iPage === oPaging.iTotalPages-1 || oPaging.iTotalPages === 0 ) {
              $('li:last', an[i]).addClass('disabled');
            } else {
              $('li:last', an[i]).removeClass('disabled');
            }
          }
        }
      }
    } );
$.fn.dataTableExt.oApi.fnPagingInfo = function ( oSettings )
{
    return {
        "iStart":         oSettings._iDisplayStart,
        "iEnd":           oSettings.fnDisplayEnd(),
        "iLength":        oSettings._iDisplayLength,
        "iTotal":         oSettings.fnRecordsTotal(),
        "iFilteredTotal": oSettings.fnRecordsDisplay(),
        "iPage":          oSettings._iDisplayLength === -1 ?
            0 : Math.ceil( oSettings._iDisplayStart / oSettings._iDisplayLength ),
        "iTotalPages":    oSettings._iDisplayLength === -1 ?
            0 : Math.ceil( oSettings.fnRecordsDisplay() / oSettings._iDisplayLength )
    };
};

jQuery.fn.dataTableExt.aTypes.push(
    function ( sData ) {
        return 'html';
    }
);

function SwitchCalendars(startCalendar, endCalendar, e) {
  var endCalendarDate = new Date(e.date),
  endCalendarInput = $('#end_date');

  startCalendar.datepicker('hide');
  endCalendarDate.setDate(endCalendarDate.getDate() + 1);
  endCalendar.datepicker('setStartDate', endCalendarDate);
  endCalendar.datepicker('update', endCalendarDate);
  endCalendar.focus();
  endCalendar.datepicker('show');
}

var ready = function() {
  $('#information-table').dataTable({
    "sDom": "<'row-fluid'<'span6'l><'span6'f>r>t<'row-fluid'<'span6'i><'span6'p>>",
    "sPaginationType": "bootstrap",
    "oLanguage": {
      "sLengthMenu": "Registros: _MENU_ ",
      "sZeroRecords": "No se encontró ningún registro que coincida con su búsqueda",
      "sInfo": "Mostrando registros del _START_ al _END_ (_TOTAL_ registros en total)",
      "sInfoEmpty": "No hay entradas para mostrar",
      "sInfoFiltered": "(_MAX_ registros fueron filtrados)",
      "sSearch": "Buscar:",
      "oPaginate" : {
        "sPrevious": "Anterior",
        "sNext": "Siguiente"
      }
    },
    "bRetrieve": true
  });
}

$(document).on('turbolinks:render', ready);
$(document).on('turbolinks:before-cache', function(){
  if ($('#information-table').length) {
    var dt = $('#information-table').dataTable({ "bRetrieve": true });
    dt.fnDestroy();
  }
});