/*! © SpryMedia Ltd, Jumpy - datatables.net/license */

(function( factory ){
	if ( typeof define === 'function' && define.amd ) {
		// AMD
		define( ['jquery', 'datatables.net'], function ( $ ) {
			return factory( $, window, document );
		} );
	}
	else if ( typeof exports === 'object' ) {
		// CommonJS
		var jq = require('jquery');
		var cjsRequires = function (root, $) {
			if ( ! $.fn.dataTable ) {
				require('datatables.net')(root, $);
			}
		};

		if (typeof window === 'undefined') {
			module.exports = function (root, $) {
				if ( ! root ) {
					// CommonJS environments without a window global must pass a
					// root. This will give an error otherwise
					root = window;
				}

				if ( ! $ ) {
					$ = jq( root );
				}

				cjsRequires( root, $ );
				return factory( $, root, root.document );
			};
		}
		else {
			cjsRequires( window, jq );
			module.exports = factory( jq, window, window.document );
		}
	}
	else {
		// Browser
		factory( jQuery, window, document );
	}
}(function( $, window, document, undefined ) {
'use strict';
var DataTable = $.fn.dataTable;


/**
 * Sort on the 'alt' tag of images in a column. This is particularly useful if
 * you have a column of images (ticks and crosses for example) and you want to
 * control the sorting using the alt tag.
 *
 *  @name Alt string
 *  @summary Use the `alt` attribute of an image tag as the data to sort upon.
 *  @author _Jumpy_
 *
 *  @example
 *    $('#example').dataTable( {
 *       columnDefs: [
 *         { type: 'alt-string', targets: 0 }
 *       ]
 *    } );
 */
DataTable.ext.type.order['alt-string-pre'] = function (a) {
    return a.match(/alt="(.*?)"/)[1].toLowerCase();
};


return DataTable;
}));