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diff --git a/admin/survey/script/datatables/datetime-moment.js b/admin/survey/script/datatables/datetime-moment.js
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+/**
+ * This plug-in for DataTables represents the ultimate option in extensibility
+ * for sorting date / time strings correctly. It uses
+ * [Moment.js](http://momentjs.com) to create automatic type detection and
+ * sorting plug-ins for DataTables based on a given format. This way, DataTables
+ * will automatically detect your temporal information and sort it correctly.
+ *
+ * For usage instructions, please see the DataTables blog
+ * post that [introduces it](//datatables.net/blog/2014-12-18).
+ *
+ * @name Ultimate Date / Time sorting
+ * @summary Sort date and time in any format using Moment.js
+ * @author [Allan Jardine](//datatables.net)
+ * @depends DataTables 1.10+, Moment.js 1.7+
+ *
+ * @example
+ *    $.fn.dataTable.moment( 'HH:mm MMM D, YY' );
+ *    $.fn.dataTable.moment( 'dddd, MMMM Do, YYYY' );
+ *
+ *    $('#example').DataTable();
+ */
+
+(function (factory) {
+	if (typeof define === "function" && define.amd) {
+		define(["jquery", "moment", "datatables.net"], factory);
+	} else {
+		factory(jQuery, moment);
+	}
+}(function ($, moment) {
+
+$.fn.dataTable.moment = function ( format, locale ) {
+	var types = $.fn.dataTable.ext.type;
+
+	// Add type detection
+	types.detect.unshift( function ( d ) {
+		if ( d ) {
+			// Strip HTML tags and newline characters if possible
+			if ( d.replace ) {
+				d = d.replace(/(<.*?>)|(\r?\n|\r)/g, '');
+			}
+
+			// Strip out surrounding white space
+			d = $.trim( d );
+		}
+
+		// Null and empty values are acceptable
+		if ( d === '' || d === null ) {
+			return 'moment-'+format;
+		}
+
+		return moment( d, format, locale, true ).isValid() ?
+			'moment-'+format :
+			null;
+	} );
+
+	// Add sorting method - use an integer for the sorting
+	types.order[ 'moment-'+format+'-pre' ] = function ( d ) {
+		if ( d ) {
+			// Strip HTML tags and newline characters if possible
+			if ( d.replace ) {
+				d = d.replace(/(<.*?>)|(\r?\n|\r)/g, '');
+			}
+
+			// Strip out surrounding white space
+			d = $.trim( d );
+		}
+		
+		return !moment(d, format, locale, true).isValid() ?
+			Infinity :
+			parseInt( moment( d, format, locale, true ).format( 'x' ), 10 );
+	};
+};
+
+}));