text: /*! ColReorder 1.1.2
   * Â©2010-2014 SpryMedia Ltd - datatables.net/license
   */
  
  /**
   * @summary     ColReorder
   * @description Provide the ability to reorder columns in a DataTable
   * @version     1.1.2
   * @file        dataTables.colReorder.js
   * @author      SpryMedia Ltd (www.sprymedia.co.uk)
   * @contact     www.sprymedia.co.uk/contact
   * @copyright   Copyright 2010-2014 SpryMedia Ltd.
   *
   * This source file is free software, available under the following license:
   *   MIT license - http://datatables.net/license/mit
   *
   * This source file is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the license files for details.
   *
   * For details please refer to: http://www.datatables.net
   */
  
  (function(window, document, undefined) {
  
  
      /**
       * Switch the key value pairing of an index array to be value key (i.e. the old value is now the
       * key). For example consider [ 2, 0, 1 ] this would be returned as [ 1, 2, 0 ].
       *  @method  fnInvertKeyValues
       *  @param   array aIn Array to switch around
       *  @returns array
       */
      function fnInvertKeyValues( aIn )
      {
          var aRet=[];
          for ( var i=0, iLen=aIn.length ; i<iLen ; i++ )
          {
              aRet[ aIn[i] ] = i;
          }
          return aRet;
      }
  
  
      /**
       * Modify an array by switching the position of two elements
       *  @method  fnArraySwitch
       *  @param   array aArray Array to consider, will be modified by reference (i.e. no return)
       *  @param   int iFrom From point
       *  @param   int iTo Insert point
       *  @returns void
       */
      function fnArraySwitch( aArray, iFrom, iTo )
      {
          var mStore = aArray.splice( iFrom, 1 )[0];
          aArray.splice( iTo, 0, mStore );
      }
  
  
      /**
       * Switch the positions of nodes in a parent node (note this is specifically designed for
       * table rows). Note this function considers all element nodes under the parent!
       *  @method  fnDomSwitch
       *  @param   string sTag Tag to consider
       *  @param   int iFrom Element to move
       *  @param   int Point to element the element to (before this point), can be null for append
       *  @returns void
       */
      function fnDomSwitch( nParent, iFrom, iTo )
      {
          var anTags = [];
          for ( var i=0, iLen=nParent.childNodes.length ; i<iLen ; i++ )
          {
              if ( nParent.childNodes[i].nodeType == 1 )
              {
                  anTags.push( nParent.childNodes[i] );
              }
          }
          var nStore = anTags[ iFrom ];
  
          if ( iTo !== null )
          {
              nParent.insertBefore( nStore, anTags[iTo] );
          }
          else
          {
              nParent.appendChild( nStore );
          }
      }
  
  
  
      /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
       * DataTables plug-in API functions
       *
       * This are required by ColReorder in order to perform the tasks required, and also keep this
       * code portable, to be used for other column reordering projects with DataTables, if needed.
       * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
  
  
      /**
       * Plug-in for DataTables which will reorder the internal column structure by taking the column
       * from one position (iFrom) and insert it into a given point (iTo).
       *  @method  $.fn.dataTableExt.oApi.fnColReorder
       *  @param   object oSettings DataTables settings object - automatically added by DataTables!
       *  @param   int iFrom Take the column to be repositioned from this point
       *  @param   int iTo and insert it into this point
       *  @returns void
       */
      $.fn.dataTableExt.oApi.fnColReorder = function ( oSettings, iFrom, iTo )
      {
          var v110 = $.fn.dataTable.Api ? true : false;
          var i, iLen, j, jLen, iCols=oSettings.aoColumns.length, nTrs, oCol;
          var attrMap = function ( obj, prop, mapping ) {
              if ( ! obj[ prop ] ) {
                  return;
              }
  
              var a = obj[ prop ].split('.');
              var num = a.shift();
  
              if ( isNaN( num*1 ) ) {
                  return;
              }
  
              obj[ prop ] = mapping[ num*1 ]+'.'+a.join('.');
          };
  
          /* Sanity check in the input */
          if ( iFrom == iTo )
          {
              /* Pointless reorder */
              return;
          }
  
          if ( iFrom < 0 || iFrom >= iCols )
          {
              this.oApi._fnLog( oSettings, 1, "ColReorder 'from' index is out of bounds: "+iFrom );
              return;
          }
  
          if ( iTo < 0 || iTo >= iCols )
          {
              this.oApi._fnLog( oSettings, 1, "ColReorder 'to' index is out of bounds: "+iTo );
              return;
          }
  
          /*
           * Calculate the new column array index, so we have a mapping between the old and new
           */
          var aiMapping = [];
          for ( i=0, iLen=iCols ; i<iLen ; i++ )
          {
              aiMapping[i] = i;
          }
          fnArraySwitch( aiMapping, iFrom, iTo );
          var aiInvertMapping = fnInvertKeyValues( aiMapping );
  
  
          /*
           * Convert all internal indexing to the new column order indexes
           */
          /* Sorting */
          for ( i=0, iLen=oSettings.aaSorting.length ; i<iLen ; i++ )
          {
              oSettings.aaSorting[i][0] = aiInvertMapping[ oSettings.aaSorting[i][0] ];
          }
  
          /* Fixed sorting */
          if ( oSettings.aaSortingFixed !== null )
          {
              for ( i=0, iLen=oSettings.aaSortingFixed.length ; i<iLen ; i++ )
              {
                  oSettings.aaSortingFixed[i][0] = aiInvertMapping[ oSettings.aaSortingFixed[i][0] ];
              }
          }
  
          /* Data column sorting (the column which the sort for a given column should take place on) */
          for ( i=0, iLen=iCols ; i<iLen ; i++ )
          {
              oCol = oSettings.aoColumns[i];
              for ( j=0, jLen=oCol.aDataSort.length ; j<jLen ; j++ )
              {
                  oCol.aDataSort[j] = aiInvertMapping[ oCol.aDataSort[j] ];
              }
  
              // Update the column indexes
              if ( v110 ) {
                  oCol.idx = aiInvertMapping[ oCol.idx ];
              }
          }
  
          if ( v110 ) {
              // Update 1.10 optimised sort class removal variable
              $.each( oSettings.aLastSort, function (i, val) {
                  oSettings.aLastSort[i].src = aiInvertMapping[ val.src ];
              } );
          }
  
          /* Update the Get and Set functions for each column */
          for ( i=0, iLen=iCols ; i<iLen ; i++ )
          {
              oCol = oSettings.aoColumns[i];
  
              if ( typeof oCol.mData == 'number' ) {
                  oCol.mData = aiInvertMapping[ oCol.mData ];
  
                  // regenerate the get / set functions
                  oSettings.oApi._fnColumnOptions( oSettings, i, {} );
              }
              else if ( $.isPlainObject( oCol.mData ) ) {
                  // HTML5 data sourced
                  attrMap( oCol.mData, '_',      aiInvertMapping );
                  attrMap( oCol.mData, 'filter', aiInvertMapping );
                  attrMap( oCol.mData, 'sort',   aiInvertMapping );
                  attrMap( oCol.mData, 'type',   aiInvertMapping );
  
                  // regenerate the get / set functions
                  oSettings.oApi._fnColumnOptions( oSettings, i, {} );
              }
          }
  
  
          /*
           * Move the DOM elements
           */
          if ( oSettings.aoColumns[iFrom].bVisible )
          {
              /* Calculate the current visible index and the point to insert the node before. The insert
               * before needs to take into account that there might not be an element to insert before,
               * in which case it will be null, and an appendChild should be used
               */
              var iVisibleIndex = this.oApi._fnColumnIndexToVisible( oSettings, iFrom );
              var iInsertBeforeIndex = null;
  
              i = iTo < iFrom ? iTo : iTo + 1;
              while ( iInsertBeforeIndex === null && i < iCols )
              {
                  iInsertBeforeIndex = this.oApi._fnColumnIndexToVisible( oSettings, i );
                  i++;
              }
  
              /* Header */
              nTrs = oSettings.nTHead.getElementsByTagName('tr');
              for ( i=0, iLen=nTrs.length ; i<iLen ; i++ )
              {
                  fnDomSwitch( nTrs[i], iVisibleIndex, iInsertBeforeIndex );
              }
  
              /* Footer */
              if ( oSettings.nTFoot !== null )
              {
                  nTrs = oSettings.nTFoot.getElementsByTagName('tr');
                  for ( i=0, iLen=nTrs.length ; i<iLen ; i++ )
                  {
                      fnDomSwitch( nTrs[i], iVisibleIndex, iInsertBeforeIndex );
                  }
              }
  
              /* Body */
              for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ )
              {
                  if ( oSettings.aoData[i].nTr !== null )
                  {
                      fnDomSwitch( oSettings.aoData[i].nTr, iVisibleIndex, iInsertBeforeIndex );
                  }
              }
          }
  
          /*
           * Move the internal array elements
           */
          /* Columns */
          fnArraySwitch( oSettings.aoColumns, iFrom, iTo );
  
          /* Search columns */
          fnArraySwitch( oSettings.aoPreSearchCols, iFrom, iTo );
  
          /* Array array - internal data anodes cache */
          for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ )
          {
              var data = oSettings.aoData[i];
  
              if ( v110 ) {
                  // DataTables 1.10+
                  if ( data.anCells ) {
                      fnArraySwitch( data.anCells, iFrom, iTo );
                  }
  
                  // For DOM sourced data, the invalidate will reread the cell into
                  // the data array, but for data sources as an array, they need to
                  // be flipped
                  if ( data.src !== 'dom' && $.isArray( data._aData ) ) {
                      fnArraySwitch( data._aData, iFrom, iTo );
                  }
              }
              else {
                  // DataTables 1.9-
                  if ( $.isArray( data._aData ) ) {
                      fnArraySwitch( data._aData, iFrom, iTo );
                  }
                  fnArraySwitch( data._anHidden, iFrom, iTo );
              }
          }
  
          /* Reposition the header elements in the header layout array */
          for ( i=0, iLen=oSettings.aoHeader.length ; i<iLen ; i++ )
          {
              fnArraySwitch( oSettings.aoHeader[i], iFrom, iTo );
          }
  
          if ( oSettings.aoFooter !== null )
          {
              for ( i=0, iLen=oSettings.aoFooter.length ; i<iLen ; i++ )
              {
                  fnArraySwitch( oSettings.aoFooter[i], iFrom, iTo );
              }
          }
  
          // In 1.10 we need to invalidate row cached data for sorting, filtering etc
          if ( v110 ) {
              var api = new $.fn.dataTable.Api( oSettings );
              api.rows().invalidate();
          }
  
          /*
           * Update DataTables' event handlers
           */
  
          /* Sort listener */
          for ( i=0, iLen=iCols ; i<iLen ; i++ )
          {
              $(oSettings.aoColumns[i].nTh).off('click.DT');
              this.oApi._fnSortAttachListener( oSettings, oSettings.aoColumns[i].nTh, i );
          }
  
  
          /* Fire an event so other plug-ins can update */
          $(oSettings.oInstance).trigger( 'column-reorder', [ oSettings, {
              "iFrom": iFrom,
              "iTo": iTo,
              "aiInvertMapping": aiInvertMapping
          } ] );
      };
  
  
  
      var factory = function( $, DataTable ) {
          "use strict";
  
          /**
           * ColReorder provides column visibility control for DataTables
           * @class ColReorder
           * @constructor
           * @param {object} dt DataTables settings object
           * @param {object} opts ColReorder options
           */
          var ColReorder = function( dt, opts )
          {
              var oDTSettings;
  
              if ( $.fn.dataTable.Api ) {
                  oDTSettings = new $.fn.dataTable.Api( dt ).settings()[0];
              }
              // 1.9 compatibility
              else if ( dt.fnSettings ) {
                  // DataTables object, convert to the settings object
                  oDTSettings = dt.fnSettings();
              }
              else if ( typeof dt === 'string' ) {
                  // jQuery selector
                  if ( $.fn.dataTable.fnIsDataTable( $(dt)[0] ) ) {
                      oDTSettings = $(dt).eq(0).dataTable().fnSettings();
                  }
              }
              else if ( dt.nodeName && dt.nodeName.toLowerCase() === 'table' ) {
                  // Table node
                  if ( $.fn.dataTable.fnIsDataTable( dt.nodeName ) ) {
                      oDTSettings = $(dt.nodeName).dataTable().fnSettings();
                  }
              }
              else if ( dt instanceof jQuery ) {
                  // jQuery object
                  if ( $.fn.dataTable.fnIsDataTable( dt[0] ) ) {
                      oDTSettings = dt.eq(0).dataTable().fnSettings();
                  }
              }
              else {
                  // DataTables settings object
                  oDTSettings = dt;
              }
  
              // Convert from camelCase to Hungarian, just as DataTables does
              var camelToHungarian = $.fn.dataTable.camelToHungarian;
              if ( camelToHungarian ) {
                  camelToHungarian( ColReorder.defaults, ColReorder.defaults, true );
                  camelToHungarian( ColReorder.defaults, opts || {} );
              }
  
  
              /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
               * Public class variables
               * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
  
              /**
               * @namespace Settings object which contains customisable information for ColReorder instance
               */
              this.s = {
                  /**
                   * DataTables settings object
                   *  @property dt
                   *  @type     Object
                   *  @default  null
                   */
                  "dt": null,
  
                  /**
                   * Initialisation object used for this instance
                   *  @property init
                   *  @type     object
                   *  @default  {}
                   */
                  "init": $.extend( true, {}, ColReorder.defaults, opts ),
  
                  /**
                   * Number of columns to fix (not allow to be reordered)
                   *  @property fixed
                   *  @type     int
                   *  @default  0
                   */
                  "fixed": 0,
  
                  /**
                   * Number of columns to fix counting from right (not allow to be reordered)
                   *  @property fixedRight
                   *  @type     int
                   *  @default  0
                   */
                  "fixedRight": 0,
  
                  /**
                   * Callback function for once the reorder has been done
                   *  @property dropcallback
                   *  @type     function
                   *  @default  null
                   */
                  "dropCallback": null,
  
                  /**
                   * @namespace Information used for the mouse drag
                   */
                  "mouse": {
                      "startX": -1,
                      "startY": -1,
                      "offsetX": -1,
                      "offsetY": -1,
                      "target": -1,
                      "targetIndex": -1,
                      "fromIndex": -1
                  },
  
                  /**
                   * Information which is used for positioning the insert cusor and knowing where to do the
                   * insert. Array of objects with the properties:
                   *   x: x-axis position
                   *   to: insert point
                   *  @property aoTargets
                   *  @type     array
                   *  @default  []
                   */
                  "aoTargets": []
              };
  
  
              /**
               * @namespace Common and useful DOM elements for the class instance
               */
              this.dom = {
                  /**
                   * Dragging element (the one the mouse is moving)
                   *  @property drag
                   *  @type     element
                   *  @default  null
                   */
                  "drag": null,
  
                  /**
                   * The insert cursor
                   *  @property pointer
                   *  @type     element
                   *  @default  null
                   */
                  "pointer": null
              };
  
  
              /* Constructor logic */
              this.s.dt = oDTSettings.oInstance.fnSettings();
              this.s.dt._colReorder = this;
              this._fnConstruct();
  
              /* Add destroy callback */
              oDTSettings.oApi._fnCallbackReg(oDTSettings, 'aoDestroyCallback', $.proxy(this._fnDestroy, this), 'ColReorder');
  
              return this;
          };
  
  
  
          ColReorder.prototype = {
              /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
               * Public methods
               * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
  
              /**
               * Reset the column ordering to the original ordering that was detected on
               * start up.
               *  @return {this} Returns `this` for chaining.
               *
               *  @example
               *    // DataTables initialisation with ColReorder
               *    var table = $('#example').dataTable( {
  	 *        "sDom": 'Rlfrtip'
  	 *    } );
               *
               *    // Add click event to a button to reset the ordering
               *    $('#resetOrdering').click( function (e) {
  	 *        e.preventDefault();
  	 *        $.fn.dataTable.ColReorder( table ).fnReset();
  	 *    } );
               */
              "fnReset": function ()
              {
                  var a = [];
                  for ( var i=0, iLen=this.s.dt.aoColumns.length ; i<iLen ; i++ )
                  {
                      a.push( this.s.dt.aoColumns[i]._ColReorder_iOrigCol );
                  }
  
                  this._fnOrderColumns( a );
  
                  return this;
              },
  
              /**
               * `Deprecated` - Get the current order of the columns, as an array.
               *  @return {array} Array of column identifiers
               *  @deprecated `fnOrder` should be used in preference to this method.
               *      `fnOrder` acts as a getter/setter.
               */
              "fnGetCurrentOrder": function ()
              {
                  return this.fnOrder();
              },
  
              /**
               * Get the current order of the columns, as an array. Note that the values
               * given in the array are unique identifiers for each column. Currently
               * these are the original ordering of the columns that was detected on
               * start up, but this could potentially change in future.
               *  @return {array} Array of column identifiers
               *
               *  @example
               *    // Get column ordering for the table
               *    var order = $.fn.dataTable.ColReorder( dataTable ).fnOrder();
               *//**
               * Set the order of the columns, from the positions identified in the
               * ordering array given. Note that ColReorder takes a brute force approach
               * to reordering, so it is possible multiple reordering events will occur
               * before the final order is settled upon.
               *  @param {array} [set] Array of column identifiers in the new order. Note
               *    that every column must be included, uniquely, in this array.
               *  @return {this} Returns `this` for chaining.
               *
               *  @example
               *    // Swap the first and second columns
               *    $.fn.dataTable.ColReorder( dataTable ).fnOrder( [1, 0, 2, 3, 4] );
               *
               *  @example
               *    // Move the first column to the end for the table `#example`
               *    var curr = $.fn.dataTable.ColReorder( '#example' ).fnOrder();
               *    var first = curr.shift();
               *    curr.push( first );
               *    $.fn.dataTable.ColReorder( '#example' ).fnOrder( curr );
               *
               *  @example
               *    // Reverse the table's order
               *    $.fn.dataTable.ColReorder( '#example' ).fnOrder(
               *      $.fn.dataTable.ColReorder( '#example' ).fnOrder().reverse()
               *    );
               */
              "fnOrder": function ( set )
              {
                  if ( set === undefined )
                  {
                      var a = [];
                      for ( var i=0, iLen=this.s.dt.aoColumns.length ; i<iLen ; i++ )
                      {
                          a.push( this.s.dt.aoColumns[i]._ColReorder_iOrigCol );
                      }
                      return a;
                  }
  
                  this._fnOrderColumns( fnInvertKeyValues( set ) );
  
                  return this;
              },
  
  
              /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
               * Private methods (they are of course public in JS, but recommended as private)
               * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
  
              /**
               * Constructor logic
               *  @method  _fnConstruct
               *  @returns void
               *  @private
               */
              "_fnConstruct": function ()
              {
                  var that = this;
                  var iLen = this.s.dt.aoColumns.length;
                  var i;
  
                  /* Columns discounted from reordering - counting left to right */
                  if ( this.s.init.iFixedColumns )
                  {
                      this.s.fixed = this.s.init.iFixedColumns;
                  }
  
                  /* Columns discounted from reordering - counting right to left */
                  this.s.fixedRight = this.s.init.iFixedColumnsRight ?
                      this.s.init.iFixedColumnsRight :
                      0;
  
                  /* Drop callback initialisation option */
                  if ( this.s.init.fnReorderCallback )
                  {
                      this.s.dropCallback = this.s.init.fnReorderCallback;
                  }
  
                  /* Add event handlers for the drag and drop, and also mark the original column order */
                  for ( i = 0; i < iLen; i++ )
                  {
                      if ( i > this.s.fixed-1 && i < iLen - this.s.fixedRight )
                      {
                          this._fnMouseListener( i, this.s.dt.aoColumns[i].nTh );
                      }
  
                      /* Mark the original column order for later reference */
                      this.s.dt.aoColumns[i]._ColReorder_iOrigCol = i;
                  }
  
                  /* State saving */
                  this.s.dt.oApi._fnCallbackReg( this.s.dt, 'aoStateSaveParams', function (oS, oData) {
                      that._fnStateSave.call( that, oData );
                  }, "ColReorder_State" );
  
                  /* An initial column order has been specified */
                  var aiOrder = null;
                  if ( this.s.init.aiOrder )
                  {
                      aiOrder = this.s.init.aiOrder.slice();
                  }
  
                  /* State loading, overrides the column order given */
                  if ( this.s.dt.oLoadedState && typeof this.s.dt.oLoadedState.ColReorder != 'undefined' &&
                      this.s.dt.oLoadedState.ColReorder.length == this.s.dt.aoColumns.length )
                  {
                      aiOrder = this.s.dt.oLoadedState.ColReorder;
                  }
  
                  /* If we have an order to apply - do so */
                  if ( aiOrder )
                  {
                      /* We might be called during or after the DataTables initialisation. If before, then we need
                       * to wait until the draw is done, if after, then do what we need to do right away
                       */
                      if ( !that.s.dt._bInitComplete )
                      {
                          var bDone = false;
                          this.s.dt.aoDrawCallback.push( {
                              "fn": function () {
                                  if ( !that.s.dt._bInitComplete && !bDone )
                                  {
                                      bDone = true;
                                      var resort = fnInvertKeyValues( aiOrder );
                                      that._fnOrderColumns.call( that, resort );
                                  }
                              },
                              "sName": "ColReorder_Pre"
                          } );
                      }
                      else
                      {
                          var resort = fnInvertKeyValues( aiOrder );
                          that._fnOrderColumns.call( that, resort );
                      }
                  }
                  else {
                      this._fnSetColumnIndexes();
                  }
              },
  
  
              /**
               * Set the column order from an array
               *  @method  _fnOrderColumns
               *  @param   array a An array of integers which dictate the column order that should be applied
               *  @returns void
               *  @private
               */
              "_fnOrderColumns": function ( a )
              {
                  if ( a.length != this.s.dt.aoColumns.length )
                  {
                      this.s.dt.oInstance.oApi._fnLog( this.s.dt, 1, "ColReorder - array reorder does not "+
                      "match known number of columns. Skipping." );
                      return;
                  }
  
                  for ( var i=0, iLen=a.length ; i<iLen ; i++ )
                  {
                      var currIndex = $.inArray( i, a );
                      if ( i != currIndex )
                      {
                          /* Reorder our switching array */
                          fnArraySwitch( a, currIndex, i );
  
                          /* Do the column reorder in the table */
                          this.s.dt.oInstance.fnColReorder( currIndex, i );
                      }
                  }
  
                  /* When scrolling we need to recalculate the column sizes to allow for the shift */
                  if ( this.s.dt.oScroll.sX !== "" || this.s.dt.oScroll.sY !== "" )
                  {
                      this.s.dt.oInstance.fnAdjustColumnSizing();
                  }
  
                  /* Save the state */
                  this.s.dt.oInstance.oApi._fnSaveState( this.s.dt );
  
                  this._fnSetColumnIndexes();
              },
  
  
              /**
               * Because we change the indexes of columns in the table, relative to their starting point
               * we need to reorder the state columns to what they are at the starting point so we can
               * then rearrange them again on state load!
               *  @method  _fnStateSave
               *  @param   object oState DataTables state
               *  @returns string JSON encoded cookie string for DataTables
               *  @private
               */
              "_fnStateSave": function ( oState )
              {
                  var i, iLen, aCopy, iOrigColumn;
                  var oSettings = this.s.dt;
                  var columns = oSettings.aoColumns;
  
                  oState.ColReorder = [];
  
                  /* Sorting */
                  if ( oState.aaSorting ) {
                      // 1.10.0-
                      for ( i=0 ; i<oState.aaSorting.length ; i++ ) {
                          oState.aaSorting[i][0] = columns[ oState.aaSorting[i][0] ]._ColReorder_iOrigCol;
                      }
  
                      var aSearchCopy = $.extend( true, [], oState.aoSearchCols );
  
                      for ( i=0, iLen=columns.length ; i<iLen ; i++ )
                      {
                          iOrigColumn = columns[i]._ColReorder_iOrigCol;
  
                          /* Column filter */
                          oState.aoSearchCols[ iOrigColumn ] = aSearchCopy[i];
  
                          /* Visibility */
                          oState.abVisCols[ iOrigColumn ] = columns[i].bVisible;
  
                          /* Column reordering */
                          oState.ColReorder.push( iOrigColumn );
                      }
                  }
                  else if ( oState.order ) {
                      // 1.10.1+
                      for ( i=0 ; i<oState.order.length ; i++ ) {
                          oState.order[i][0] = columns[ oState.order[i][0] ]._ColReorder_iOrigCol;
                      }
  
                      var stateColumnsCopy = $.extend( true, [], oState.columns );
  
                      for ( i=0, iLen=columns.length ; i<iLen ; i++ )
                      {
                          iOrigColumn = columns[i]._ColReorder_iOrigCol;
  
                          /* Columns */
                          oState.columns[ iOrigColumn ] = stateColumnsCopy[i];
  
                          /* Column reordering */
                          oState.ColReorder.push( iOrigColumn );
                      }
                  }
              },
  
  
              /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
               * Mouse drop and drag
               */
  
              /**
               * Add a mouse down listener to a particluar TH element
               *  @method  _fnMouseListener
               *  @param   int i Column index
               *  @param   element nTh TH element clicked on
               *  @returns void
               *  @private
               */
              "_fnMouseListener": function ( i, nTh )
              {
                  var that = this;
                  $(nTh).on( 'mousedown.ColReorder', function (e) {
                      e.preventDefault();
                      that._fnMouseDown.call( that, e, nTh );
                  } );
              },
  
  
              /**
               * Mouse down on a TH element in the table header
               *  @method  _fnMouseDown
               *  @param   event e Mouse event
               *  @param   element nTh TH element to be dragged
               *  @returns void
               *  @private
               */
              "_fnMouseDown": function ( e, nTh )
              {
                  var that = this;
  
                  /* Store information about the mouse position */
                  var target = $(e.target).closest('th, td');
                  var offset = target.offset();
                  var idx = parseInt( $(nTh).attr('data-column-index'), 10 );
  
                  if ( idx === undefined ) {
                      return;
                  }
  
                  this.s.mouse.startX = e.pageX;
                  this.s.mouse.startY = e.pageY;
                  this.s.mouse.offsetX = e.pageX - offset.left;
                  this.s.mouse.offsetY = e.pageY - offset.top;
                  this.s.mouse.target = this.s.dt.aoColumns[ idx ].nTh;//target[0];
                  this.s.mouse.targetIndex = idx;
                  this.s.mouse.fromIndex = idx;
  
                  this._fnRegions();
  
                  /* Add event handlers to the document */
                  $(document)
                      .on( 'mousemove.ColReorder', function (e) {
                          that._fnMouseMove.call( that, e );
                      } )
                      .on( 'mouseup.ColReorder', function (e) {
                          that._fnMouseUp.call( that, e );
                      } );
              },
  
  
              /**
               * Deal with a mouse move event while dragging a node
               *  @method  _fnMouseMove
               *  @param   event e Mouse event
               *  @returns void
               *  @private
               */
              "_fnMouseMove": function ( e )
              {
                  var that = this;
  
                  if ( this.dom.drag === null )
                  {
                      /* Only create the drag element if the mouse has moved a specific distance from the start
                       * point - this allows the user to make small mouse movements when sorting and not have a
                       * possibly confusing drag element showing up
                       */
                      if ( Math.pow(
                              Math.pow(e.pageX - this.s.mouse.startX, 2) +
                              Math.pow(e.pageY - this.s.mouse.startY, 2), 0.5 ) < 5 )
                      {
                          return;
                      }
                      this._fnCreateDragNode();
                  }
  
                  /* Position the element - we respect where in the element the click occured */
                  this.dom.drag.css( {
                      left: e.pageX - this.s.mouse.offsetX,
                      top: e.pageY - this.s.mouse.offsetY
                  } );
  
                  /* Based on the current mouse position, calculate where the insert should go */
                  var bSet = false;
                  var lastToIndex = this.s.mouse.toIndex;
  
                  for ( var i=1, iLen=this.s.aoTargets.length ; i<iLen ; i++ )
                  {
                      if ( e.pageX < this.s.aoTargets[i-1].x + ((this.s.aoTargets[i].x-this.s.aoTargets[i-1].x)/2) )
                      {
                          this.dom.pointer.css( 'left', this.s.aoTargets[i-1].x );
                          this.s.mouse.toIndex = this.s.aoTargets[i-1].to;
                          bSet = true;
                          break;
                      }
                  }
  
                  // The insert element wasn't positioned in the array (less than
                  // operator), so we put it at the end
                  if ( !bSet )
                  {
                      this.dom.pointer.css( 'left', this.s.aoTargets[this.s.aoTargets.length-1].x );
                      this.s.mouse.toIndex = this.s.aoTargets[this.s.aoTargets.length-1].to;
                  }
  
                  // Perform reordering if realtime updating is on and the column has moved
                  if ( this.s.init.bRealtime && lastToIndex !== this.s.mouse.toIndex ) {
                      this.s.dt.oInstance.fnColReorder( this.s.mouse.fromIndex, this.s.mouse.toIndex );
                      this.s.mouse.fromIndex = this.s.mouse.toIndex;
                      this._fnRegions();
                  }
              },
  
  
              /**
               * Finish off the mouse drag and insert the column where needed
               *  @method  _fnMouseUp
               *  @param   event e Mouse event
               *  @returns void
               *  @private
               */
              "_fnMouseUp": function ( e )
              {
                  var that = this;
  
                  $(document).off( 'mousemove.ColReorder mouseup.ColReorder' );
  
                  if ( this.dom.drag !== null )
                  {
                      /* Remove the guide elements */
                      this.dom.drag.remove();
                      this.dom.pointer.remove();
                      this.dom.drag = null;
                      this.dom.pointer = null;
  
                      /* Actually do the reorder */
                      this.s.dt.oInstance.fnColReorder( this.s.mouse.fromIndex, this.s.mouse.toIndex );
                      this._fnSetColumnIndexes();
  
                      /* When scrolling we need to recalculate the column sizes to allow for the shift */
                      if ( this.s.dt.oScroll.sX !== "" || this.s.dt.oScroll.sY !== "" )
                      {
                          this.s.dt.oInstance.fnAdjustColumnSizing();
                      }
  
                      if ( this.s.dropCallback !== null )
                      {
                          this.s.dropCallback.call( this );
                      }
  
                      /* Save the state */
                      this.s.dt.oInstance.oApi._fnSaveState( this.s.dt );
                  }
              },
  
  
              /**
               * Calculate a cached array with the points of the column inserts, and the
               * 'to' points
               *  @method  _fnRegions
               *  @returns void
               *  @private
               */
              "_fnRegions": function ()
              {
                  var aoColumns = this.s.dt.aoColumns;
  
                  this.s.aoTargets.splice( 0, this.s.aoTargets.length );
  
                  this.s.aoTargets.push( {
                      "x":  $(this.s.dt.nTable).offset().left,
                      "to": 0
                  } );
  
                  var iToPoint = 0;
                  for ( var i=0, iLen=aoColumns.length ; i<iLen ; i++ )
                  {
                      /* For the column / header in question, we want it's position to remain the same if the
                       * position is just to it's immediate left or right, so we only incremement the counter for
                       * other columns
                       */
                      if ( i != this.s.mouse.fromIndex )
                      {
                          iToPoint++;
                      }
  
                      if ( aoColumns[i].bVisible )
                      {
                          this.s.aoTargets.push( {
                              "x":  $(aoColumns[i].nTh).offset().left + $(aoColumns[i].nTh).outerWidth(),
                              "to": iToPoint
                          } );
                      }
                  }
  
                  /* Disallow columns for being reordered by drag and drop, counting right to left */
                  if ( this.s.fixedRight !== 0 )
                  {
                      this.s.aoTargets.splice( this.s.aoTargets.length - this.s.fixedRight );
                  }
  
                  /* Disallow columns for being reordered by drag and drop, counting left to right */
                  if ( this.s.fixed !== 0 )
                  {
                      this.s.aoTargets.splice( 0, this.s.fixed );
                  }
              },
  
  
              /**
               * Copy the TH element that is being drags so the user has the idea that they are actually
               * moving it around the page.
               *  @method  _fnCreateDragNode
               *  @returns void
               *  @private
               */
              "_fnCreateDragNode": function ()
              {
                  var scrolling = this.s.dt.oScroll.sX !== "" || this.s.dt.oScroll.sY !== "";
  
                  var origCell = this.s.dt.aoColumns[ this.s.mouse.targetIndex ].nTh;
                  var origTr = origCell.parentNode;
                  var origThead = origTr.parentNode;
                  var origTable = origThead.parentNode;
                  var cloneCell = $(origCell).clone();
  
                  // This is a slightly odd combination of jQuery and DOM, but it is the
                  // fastest and least resource intensive way I could think of cloning
                  // the table with just a single header cell in it.
                  this.dom.drag = $(origTable.cloneNode(false))
                      .addClass( 'DTCR_clonedTable' )
                      .append(
                      origThead.cloneNode(false).appendChild(
                          origTr.cloneNode(false).appendChild(
                              cloneCell[0]
                          )
                      )
                  )
                      .css( {
                          position: 'absolute',
                          top: 0,
                          left: 0,
                          width: $(origCell).outerWidth(),
                          height: $(origCell).outerHeight()
                      } )
                      .appendTo( 'body' );
  
                  this.dom.pointer = $('<div></div>')
                      .addClass( 'DTCR_pointer' )
                      .css( {
                          position: 'absolute',
                          top: scrolling ?
                              $('div.dataTables_scroll', this.s.dt.nTableWrapper).offset().top :
                              $(this.s.dt.nTable).offset().top,
                          height : scrolling ?
                              $('div.dataTables_scroll', this.s.dt.nTableWrapper).height() :
                              $(this.s.dt.nTable).height()
                      } )
                      .appendTo( 'body' );
              },
  
              /**
               * Clean up ColReorder memory references and event handlers
               *  @method  _fnDestroy
               *  @returns void
               *  @private
               */
              "_fnDestroy": function ()
              {
                  var i, iLen;
  
                  for ( i=0, iLen=this.s.dt.aoDrawCallback.length ; i<iLen ; i++ )
                  {
                      if ( this.s.dt.aoDrawCallback[i].sName === 'ColReorder_Pre' )
                      {
                          this.s.dt.aoDrawCallback.splice( i, 1 );
                          break;
                      }
                  }
  
                  $(this.s.dt.nTHead).find( '*' ).off( '.ColReorder' );
  
                  $.each( this.s.dt.aoColumns, function (i, column) {
                      $(column.nTh).removeAttr('data-column-index');
                  } );
  
                  this.s.dt._colReorder = null;
                  this.s = null;
              },
  
  
              /**
               * Add a data attribute to the column headers, so we know the index of
               * the row to be reordered. This allows fast detection of the index, and
               * for this plug-in to work with FixedHeader which clones the nodes.
               *  @private
               */
              "_fnSetColumnIndexes": function ()
              {
                  $.each( this.s.dt.aoColumns, function (i, column) {
                      $(column.nTh).attr('data-column-index', i);
                  } );
              }
          };
  
  
  
  
  
          /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
           * Static parameters
           * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
  
  
          /**
           * ColReorder default settings for initialisation
           *  @namespace
           *  @static
           */
          ColReorder.defaults = {
              /**
               * Predefined ordering for the columns that will be applied automatically
               * on initialisation. If not specified then the order that the columns are
               * found to be in the HTML is the order used.
               *  @type array
               *  @default null
               *  @static
               *  @example
               *      // Using the `oColReorder` option in the DataTables options object
               *      $('#example').dataTable( {
  	 *          "sDom": 'Rlfrtip',
  	 *          "oColReorder": {
  	 *              "aiOrder": [ 4, 3, 2, 1, 0 ]
  	 *          }
  	 *      } );
               *
               *  @example
               *      // Using `new` constructor
               *      $('#example').dataTable()
               *
               *      new $.fn.dataTable.ColReorder( '#example', {
  	 *          "aiOrder": [ 4, 3, 2, 1, 0 ]
  	 *      } );
               */
              aiOrder: null,
  
              /**
               * Redraw the table's column ordering as the end user draws the column
               * (`true`) or wait until the mouse is released (`false` - default). Note
               * that this will perform a redraw on each reordering, which involves an
               * Ajax request each time if you are using server-side processing in
               * DataTables.
               *  @type boolean
               *  @default false
               *  @static
               *  @example
               *      // Using the `oColReorder` option in the DataTables options object
               *      $('#example').dataTable( {
  	 *          "sDom": 'Rlfrtip',
  	 *          "oColReorder": {
  	 *              "bRealtime": true
  	 *          }
  	 *      } );
               *
               *  @example
               *      // Using `new` constructor
               *      $('#example').dataTable()
               *
               *      new $.fn.dataTable.ColReorder( '#example', {
  	 *          "bRealtime": true
  	 *      } );
               */
              bRealtime: false,
  
              /**
               * Indicate how many columns should be fixed in position (counting from the
               * left). This will typically be 1 if used, but can be as high as you like.
               *  @type int
               *  @default 0
               *  @static
               *  @example
               *      // Using the `oColReorder` option in the DataTables options object
               *      $('#example').dataTable( {
  	 *          "sDom": 'Rlfrtip',
  	 *          "oColReorder": {
  	 *              "iFixedColumns": 1
  	 *          }
  	 *      } );
               *
               *  @example
               *      // Using `new` constructor
               *      $('#example').dataTable()
               *
               *      new $.fn.dataTable.ColReorder( '#example', {
  	 *          "iFixedColumns": 1
  	 *      } );
               */
              iFixedColumns: 0,
  
              /**
               * As `iFixedColumnsRight` but counting from the right.
               *  @type int
               *  @default 0
               *  @static
               *  @example
               *      // Using the `oColReorder` option in the DataTables options object
               *      $('#example').dataTable( {
  	 *          "sDom": 'Rlfrtip',
  	 *          "oColReorder": {
  	 *              "iFixedColumnsRight": 1
  	 *          }
  	 *      } );
               *
               *  @example
               *      // Using `new` constructor
               *      $('#example').dataTable()
               *
               *      new $.fn.dataTable.ColReorder( '#example', {
  	 *          "iFixedColumnsRight": 1
  	 *      } );
               */
              iFixedColumnsRight: 0,
  
              /**
               * Callback function that is fired when columns are reordered
               *  @type function():void
               *  @default null
               *  @static
               *  @example
               *      // Using the `oColReorder` option in the DataTables options object
               *      $('#example').dataTable( {
  	 *          "sDom": 'Rlfrtip',
  	 *          "oColReorder": {
  	 *              "fnReorderCallback": function () {
  	 *                  alert( 'Columns reordered' );
  	 *              }
  	 *          }
  	 *      } );
               *
               *  @example
               *      // Using `new` constructor
               *      $('#example').dataTable()
               *
               *      new $.fn.dataTable.ColReorder( '#example', {
  	 *          "fnReorderCallback": function () {
  	 *              alert( 'Columns reordered' );
  	 *          }
  	 *      } );
               */
              fnReorderCallback: null
          };
  
  
  
          /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
           * Constants
           * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
  
          /**
           * ColReorder version
           *  @constant  version
           *  @type      String
           *  @default   As code
           */
          ColReorder.version = "1.1.2";
  
  
  
          /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
           * DataTables interfaces
           * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
  
  // Expose
          $.fn.dataTable.ColReorder = ColReorder;
          $.fn.DataTable.ColReorder = ColReorder;
  
  
  // Register a new feature with DataTables
          if ( typeof $.fn.dataTable == "function" &&
              typeof $.fn.dataTableExt.fnVersionCheck == "function" &&
              $.fn.dataTableExt.fnVersionCheck('1.9.3') )
          {
              $.fn.dataTableExt.aoFeatures.push( {
                  "fnInit": function( settings ) {
                      var table = settings.oInstance;
  
                      if ( ! settings._colReorder ) {
                          var dtInit = settings.oInit;
                          var opts = dtInit.colReorder || dtInit.oColReorder || {};
  
                          new ColReorder( settings, opts );
                      }
                      else {
                          table.oApi._fnLog( settings, 1, "ColReorder attempted to initialise twice. Ignoring second" );
                      }
  
                      return null; /* No node for DataTables to insert */
                  },
                  "cFeature": "R",
                  "sFeature": "ColReorder"
              } );
          }
          else {
              alert( "Warning: ColReorder requires DataTables 1.9.3 or greater - www.datatables.net/download");
          }
  
  
  // API augmentation
          if ( $.fn.dataTable.Api ) {
              $.fn.dataTable.Api.register( 'colReorder.reset()', function () {
                  return this.iterator( 'table', function ( ctx ) {
                      ctx._colReorder.fnReset();
                  } );
              } );
  
              $.fn.dataTable.Api.register( 'colReorder.order()', function ( set ) {
                  if ( set ) {
                      return this.iterator( 'table', function ( ctx ) {
                          ctx._colReorder.fnOrder( set );
                      } );
                  }
  
                  return this.context.length ?
                      this.context[0]._colReorder.fnOrder() :
                      null;
              } );
          }
  
          return ColReorder;
      }; // /factory
  
  
  // Define as an AMD module if possible
      if ( typeof define === 'function' && define.amd ) {
          define( ['jquery', 'datatables'], factory );
      }
      else if ( typeof exports === 'object' ) {
          // Node/CommonJS
          factory( require('jquery'), require('datatables') );
      }
      else if ( jQuery && !jQuery.fn.dataTable.ColReorder ) {
          // Otherwise simply initialise as normal, stopping multiple evaluation
          factory( jQuery, jQuery.fn.dataTable );
      }
  
  
  })(window, document);