Adding goals answered reports csv download

Zambom
1 parent d01cc219
Showing 6 changed files with 3132 additions and 6 deletions Show diff stats
amadeus/static/css/dataTables.buttons.bootstrap.css
amadeus/static/js/dataTables.buttons.html5.js
amadeus/static/js/dataTables.buttons.js
amadeus/static/js/goals_reports.js
goals/templates/goals/_answered.html
goals/templates/goals/reports.html
@@ -0,0 +1,102 @@
+div.dt-button-info {
+  position: fixed;
+  top: 50%;
+  left: 50%;
+  width: 400px;
+  margin-top: -100px;
+  margin-left: -200px;
+  background-color: white;
+  border: 2px solid #111;
+  box-shadow: 3px 3px 8px rgba(0, 0, 0, 0.3);
+  border-radius: 3px;
+  text-align: center;
+  z-index: 21;
+}
+div.dt-button-info h2 {
+  padding: 0.5em;
+  margin: 0;
+  font-weight: normal;
+  border-bottom: 1px solid #ddd;
+  background-color: #f3f3f3;
+}
+div.dt-button-info > div {
+  padding: 1em;
+}
+
+ul.dt-button-collection.dropdown-menu {
+  display: block;
+  z-index: 2002;
+  -webkit-column-gap: 8px;
+  -moz-column-gap: 8px;
+  -ms-column-gap: 8px;
+  -o-column-gap: 8px;
+  column-gap: 8px;
+}
+ul.dt-button-collection.dropdown-menu.fixed {
+  position: fixed;
+  top: 50%;
+  left: 50%;
+  margin-left: -75px;
+  border-radius: 0;
+}
+ul.dt-button-collection.dropdown-menu.fixed.two-column {
+  margin-left: -150px;
+}
+ul.dt-button-collection.dropdown-menu.fixed.three-column {
+  margin-left: -225px;
+}
+ul.dt-button-collection.dropdown-menu.fixed.four-column {
+  margin-left: -300px;
+}
+ul.dt-button-collection.dropdown-menu > * {
+  -webkit-column-break-inside: avoid;
+  break-inside: avoid;
+}
+ul.dt-button-collection.dropdown-menu.two-column {
+  width: 300px;
+  padding-bottom: 1px;
+  -webkit-column-count: 2;
+  -moz-column-count: 2;
+  -ms-column-count: 2;
+  -o-column-count: 2;
+  column-count: 2;
+}
+ul.dt-button-collection.dropdown-menu.three-column {
+  width: 450px;
+  padding-bottom: 1px;
+  -webkit-column-count: 3;
+  -moz-column-count: 3;
+  -ms-column-count: 3;
+  -o-column-count: 3;
+  column-count: 3;
+}
+ul.dt-button-collection.dropdown-menu.four-column {
+  width: 600px;
+  padding-bottom: 1px;
+  -webkit-column-count: 4;
+  -moz-column-count: 4;
+  -ms-column-count: 4;
+  -o-column-count: 4;
+  column-count: 4;
+}
+
+div.dt-button-background {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  z-index: 2001;
+}
+
+@media screen and (max-width: 767px) {
+  div.dt-buttons {
+    float: none;
+    width: 100%;
+    text-align: center;
+    margin-bottom: 0.5em;
+  }
+  div.dt-buttons a.btn {
+    float: none;
+  }
+}
@@ -0,0 +1,1340 @@
+/*!
+ * HTML5 export buttons for Buttons and DataTables.
+ * 2016 SpryMedia Ltd - datatables.net/license
+ *
+ * FileSaver.js (1.3.3) - MIT license
+ * Copyright © 2016 Eli Grey - http://eligrey.com
+ */
+
+(function( factory ){
+	if ( typeof define === 'function' && define.amd ) {
+		// AMD
+		define( ['jquery', 'datatables.net', 'datatables.net-buttons'], function ( $ ) {
+			return factory( $, window, document );
+		} );
+	}
+	else if ( typeof exports === 'object' ) {
+		// CommonJS
+		module.exports = function (root, $, jszip, pdfmake) {
+			if ( ! root ) {
+				root = window;
+			}
+
+			if ( ! $ || ! $.fn.dataTable ) {
+				$ = require('datatables.net')(root, $).$;
+			}
+
+			if ( ! $.fn.dataTable.Buttons ) {
+				require('datatables.net-buttons')(root, $);
+			}
+
+			return factory( $, root, root.document, jszip, pdfmake );
+		};
+	}
+	else {
+		// Browser
+		factory( jQuery, window, document );
+	}
+}(function( $, window, document, jszip, pdfmake, undefined ) {
+'use strict';
+var DataTable = $.fn.dataTable;
+
+// Allow the constructor to pass in JSZip and PDFMake from external requires.
+// Otherwise, use globally defined variables, if they are available.
+function _jsZip () {
+	return jszip || window.JSZip;
+}
+function _pdfMake () {
+	return pdfmake || window.pdfMake;
+}
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * FileSaver.js dependency
+ */
+
+/*jslint bitwise: true, indent: 4, laxbreak: true, laxcomma: true, smarttabs: true, plusplus: true */
+
+var _saveAs = (function(view) {
+	"use strict";
+	// IE <10 is explicitly unsupported
+	if (typeof view === "undefined" || typeof navigator !== "undefined" && /MSIE [1-9]\./.test(navigator.userAgent)) {
+		return;
+	}
+	var
+		  doc = view.document
+		  // only get URL when necessary in case Blob.js hasn't overridden it yet
+		, get_URL = function() {
+			return view.URL || view.webkitURL || view;
+		}
+		, save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a")
+		, can_use_save_link = "download" in save_link
+		, click = function(node) {
+			var event = new MouseEvent("click");
+			node.dispatchEvent(event);
+		}
+		, is_safari = /constructor/i.test(view.HTMLElement) || view.safari
+		, is_chrome_ios =/CriOS\/[\d]+/.test(navigator.userAgent)
+		, throw_outside = function(ex) {
+			(view.setImmediate || view.setTimeout)(function() {
+				throw ex;
+			}, 0);
+		}
+		, force_saveable_type = "application/octet-stream"
+		// the Blob API is fundamentally broken as there is no "downloadfinished" event to subscribe to
+		, arbitrary_revoke_timeout = 1000 * 40 // in ms
+		, revoke = function(file) {
+			var revoker = function() {
+				if (typeof file === "string") { // file is an object URL
+					get_URL().revokeObjectURL(file);
+				} else { // file is a File
+					file.remove();
+				}
+			};
+			setTimeout(revoker, arbitrary_revoke_timeout);
+		}
+		, dispatch = function(filesaver, event_types, event) {
+			event_types = [].concat(event_types);
+			var i = event_types.length;
+			while (i--) {
+				var listener = filesaver["on" + event_types[i]];
+				if (typeof listener === "function") {
+					try {
+						listener.call(filesaver, event || filesaver);
+					} catch (ex) {
+						throw_outside(ex);
+					}
+				}
+			}
+		}
+		, auto_bom = function(blob) {
+			// prepend BOM for UTF-8 XML and text/* types (including HTML)
+			// note: your browser will automatically convert UTF-16 U+FEFF to EF BB BF
+			if (/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(blob.type)) {
+				return new Blob([String.fromCharCode(0xFEFF), blob], {type: blob.type});
+			}
+			return blob;
+		}
+		, FileSaver = function(blob, name, no_auto_bom) {
+			if (!no_auto_bom) {
+				blob = auto_bom(blob);
+			}
+			// First try a.download, then web filesystem, then object URLs
+			var
+				  filesaver = this
+				, type = blob.type
+				, force = type === force_saveable_type
+				, object_url
+				, dispatch_all = function() {
+					dispatch(filesaver, "writestart progress write writeend".split(" "));
+				}
+				// on any filesys errors revert to saving with object URLs
+				, fs_error = function() {
+					if ((is_chrome_ios || (force && is_safari)) && view.FileReader) {
+						// Safari doesn't allow downloading of blob urls
+						var reader = new FileReader();
+						reader.onloadend = function() {
+							var url = is_chrome_ios ? reader.result : reader.result.replace(/^data:[^;]*;/, 'data:attachment/file;');
+							var popup = view.open(url, '_blank');
+							if(!popup) view.location.href = url;
+							url=undefined; // release reference before dispatching
+							filesaver.readyState = filesaver.DONE;
+							dispatch_all();
+						};
+						reader.readAsDataURL(blob);
+						filesaver.readyState = filesaver.INIT;
+						return;
+					}
+					// don't create more object URLs than needed
+					if (!object_url) {
+						object_url = get_URL().createObjectURL(blob);
+					}
+					if (force) {
+						view.location.href = object_url;
+					} else {
+						var opened = view.open(object_url, "_blank");
+						if (!opened) {
+							// Apple does not allow window.open, see https://developer.apple.com/library/safari/documentation/Tools/Conceptual/SafariExtensionGuide/WorkingwithWindowsandTabs/WorkingwithWindowsandTabs.html
+							view.location.href = object_url;
+						}
+					}
+					filesaver.readyState = filesaver.DONE;
+					dispatch_all();
+					revoke(object_url);
+				}
+			;
+			filesaver.readyState = filesaver.INIT;
+
+			if (can_use_save_link) {
+				object_url = get_URL().createObjectURL(blob);
+				setTimeout(function() {
+					save_link.href = object_url;
+					save_link.download = name;
+					click(save_link);
+					dispatch_all();
+					revoke(object_url);
+					filesaver.readyState = filesaver.DONE;
+				});
+				return;
+			}
+
+			fs_error();
+		}
+		, FS_proto = FileSaver.prototype
+		, saveAs = function(blob, name, no_auto_bom) {
+			return new FileSaver(blob, name || blob.name || "download", no_auto_bom);
+		}
+	;
+	// IE 10+ (native saveAs)
+	if (typeof navigator !== "undefined" && navigator.msSaveOrOpenBlob) {
+		return function(blob, name, no_auto_bom) {
+			name = name || blob.name || "download";
+
+			if (!no_auto_bom) {
+				blob = auto_bom(blob);
+			}
+			return navigator.msSaveOrOpenBlob(blob, name);
+		};
+	}
+
+	FS_proto.abort = function(){};
+	FS_proto.readyState = FS_proto.INIT = 0;
+	FS_proto.WRITING = 1;
+	FS_proto.DONE = 2;
+
+	FS_proto.error =
+	FS_proto.onwritestart =
+	FS_proto.onprogress =
+	FS_proto.onwrite =
+	FS_proto.onabort =
+	FS_proto.onerror =
+	FS_proto.onwriteend =
+		null;
+
+	return saveAs;
+}(
+	   typeof self !== "undefined" && self
+	|| typeof window !== "undefined" && window
+	|| this.content
+));
+
+
+// Expose file saver on the DataTables API. Can't attach to `DataTables.Buttons`
+// since this file can be loaded before Button's core!
+DataTable.fileSave = _saveAs;
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Local (private) functions
+ */
+
+/**
+ * Get the file name for an exported file.
+ *
+ * @param {object}	config Button configuration
+ * @param {boolean} incExtension Include the file name extension
+ */
+var _filename = function ( config, incExtension )
+{
+	// Backwards compatibility
+	var filename = config.filename === '*' && config.title !== '*' && config.title !== undefined ?
+		config.title :
+		config.filename;
+
+	if ( typeof filename === 'function' ) {
+		filename = filename();
+	}
+
+	if ( filename.indexOf( '*' ) !== -1 ) {
+		filename = $.trim( filename.replace( '*', $('title').text() ) );
+	}
+
+	// Strip characters which the OS will object to
+	filename = filename.replace(/[^a-zA-Z0-9_\u00A1-\uFFFF\.,\-_ !\(\)]/g, "");
+
+	return incExtension === undefined || incExtension === true ?
+		filename+config.extension :
+		filename;
+};
+
+/**
+ * Get the sheet name for Excel exports.
+ *
+ * @param {object}	config Button configuration
+ */
+var _sheetname = function ( config )
+{
+	var sheetName = 'Sheet1';
+
+	if ( config.sheetName ) {
+		sheetName = config.sheetName.replace(/[\[\]\*\/\\\?\:]/g, '');
+	}
+
+return sheetName;
+};
+
+/**
+ * Get the title for an exported file.
+ *
+ * @param {object} config	Button configuration
+ */
+var _title = function ( config )
+{
+	var title = config.title;
+
+	if ( typeof title === 'function' ) {
+		title = title();
+	}
+
+	return title.indexOf( '*' ) !== -1 ?
+		title.replace( '*', $('title').text() || 'Exported data' ) :
+		title;
+};
+
+/**
+ * Get the newline character(s)
+ *
+ * @param {object}	config Button configuration
+ * @return {string}				Newline character
+ */
+var _newLine = function ( config )
+{
+	return config.newline ?
+		config.newline :
+		navigator.userAgent.match(/Windows/) ?
+			'\r\n' :
+			'\n';
+};
+
+/**
+ * Combine the data from the `buttons.exportData` method into a string that
+ * will be used in the export file.
+ *
+ * @param	{DataTable.Api} dt		 DataTables API instance
+ * @param	{object}				config Button configuration
+ * @return {object}							 The data to export
+ */
+var _exportData = function ( dt, config )
+{
+	var newLine = _newLine( config );
+	var data = dt.buttons.exportData( config.exportOptions );
+	var boundary = config.fieldBoundary;
+	var separator = config.fieldSeparator;
+	var reBoundary = new RegExp( boundary, 'g' );
+	var escapeChar = config.escapeChar !== undefined ?
+		config.escapeChar :
+		'\\';
+	var join = function ( a ) {
+		var s = '';
+
+		// If there is a field boundary, then we might need to escape it in
+		// the source data
+		for ( var i=0, ien=a.length ; i<ien ; i++ ) {
+			if ( i > 0 ) {
+				s += separator;
+			}
+
+			s += boundary ?
+				boundary + ('' + a[i]).replace( reBoundary, escapeChar+boundary ) + boundary :
+				a[i];
+		}
+
+		return s;
+	};
+
+	var header = config.header ? join( data.header )+newLine : '';
+	var footer = config.footer && data.footer ? newLine+join( data.footer ) : '';
+	var body = [];
+
+	for ( var i=0, ien=data.body.length ; i<ien ; i++ ) {
+		body.push( join( data.body[i] ) );
+	}
+
+	return {
+		str: header + body.join( newLine ) + footer,
+		rows: body.length
+	};
+};
+
+/**
+ * Older versions of Safari (prior to tech preview 18) don't support the
+ * download option required.
+ *
+ * @return {Boolean} `true` if old Safari
+ */
+var _isDuffSafari = function ()
+{
+	var safari = navigator.userAgent.indexOf('Safari') !== -1 &&
+		navigator.userAgent.indexOf('Chrome') === -1 &&
+		navigator.userAgent.indexOf('Opera') === -1;
+
+	if ( ! safari ) {
+		return false;
+	}
+
+	var version = navigator.userAgent.match( /AppleWebKit\/(\d+\.\d+)/ );
+	if ( version && version.length > 1 && version[1]*1 < 603.1 ) {
+		return true;
+	}
+
+	return false;
+};
+
+/**
+ * Convert from numeric position to letter for column names in Excel
+ * @param  {int} n Column number
+ * @return {string} Column letter(s) name
+ */
+function createCellPos( n ){
+	var ordA = 'A'.charCodeAt(0);
+	var ordZ = 'Z'.charCodeAt(0);
+	var len = ordZ - ordA + 1;
+	var s = "";
+
+	while( n >= 0 ) {
+		s = String.fromCharCode(n % len + ordA) + s;
+		n = Math.floor(n / len) - 1;
+	}
+
+	return s;
+}
+
+try {
+	var _serialiser = new XMLSerializer();
+	var _ieExcel;
+}
+catch (t) {}
+
+/**
+ * Recursively add XML files from an object's structure to a ZIP file. This
+ * allows the XSLX file to be easily defined with an object's structure matching
+ * the files structure.
+ *
+ * @param {JSZip} zip ZIP package
+ * @param {object} obj Object to add (recursive)
+ */
+function _addToZip( zip, obj ) {
+	if ( _ieExcel === undefined ) {
+		// Detect if we are dealing with IE's _awful_ serialiser by seeing if it
+		// drop attributes
+		_ieExcel = _serialiser
+			.serializeToString(
+				$.parseXML( excelStrings['xl/worksheets/sheet1.xml'] )
+			)
+			.indexOf( 'xmlns:r' ) === -1;
+	}
+
+	$.each( obj, function ( name, val ) {
+		if ( $.isPlainObject( val ) ) {
+			var newDir = zip.folder( name );
+			_addToZip( newDir, val );
+		}
+		else {
+			if ( _ieExcel ) {
+				// IE's XML serialiser will drop some name space attributes from
+				// from the root node, so we need to save them. Do this by
+				// replacing the namespace nodes with a regular attribute that
+				// we convert back when serialised. Edge does not have this
+				// issue
+				var worksheet = val.childNodes[0];
+				var i, ien;
+				var attrs = [];
+
+				for ( i=worksheet.attributes.length-1 ; i>=0 ; i-- ) {
+					var attrName = worksheet.attributes[i].nodeName;
+					var attrValue = worksheet.attributes[i].nodeValue;
+
+					if ( attrName.indexOf( ':' ) !== -1 ) {
+						attrs.push( { name: attrName, value: attrValue } );
+
+						worksheet.removeAttribute( attrName );
+					}
+				}
+
+				for ( i=0, ien=attrs.length ; i<ien ; i++ ) {
+					var attr = val.createAttribute( attrs[i].name.replace( ':', '_dt_b_namespace_token_' ) );
+					attr.value = attrs[i].value;
+					worksheet.setAttributeNode( attr );
+				}
+			}
+
+			var str = _serialiser.serializeToString(val);
+
+			// Fix IE's XML
+			if ( _ieExcel ) {
+				// IE doesn't include the XML declaration
+				if ( str.indexOf( '<?xml' ) === -1 ) {
+					str = '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'+str;
+				}
+
+				// Return namespace attributes to being as such
+				str = str.replace( /_dt_b_namespace_token_/g, ':' );
+			}
+
+			// Safari, IE and Edge will put empty name space attributes onto
+			// various elements making them useless. This strips them out
+			str = str.replace( /<(.*?) xmlns=""(.*?)>/g, '<$1 $2>' );
+
+			zip.file( name, str );
+		}
+	} );
+}
+
+/**
+ * Create an XML node and add any children, attributes, etc without needing to
+ * be verbose in the DOM.
+ *
+ * @param  {object} doc      XML document
+ * @param  {string} nodeName Node name
+ * @param  {object} opts     Options - can be `attr` (attributes), `children`
+ *   (child nodes) and `text` (text content)
+ * @return {node}            Created node
+ */
+function _createNode( doc, nodeName, opts ) {
+	var tempNode = doc.createElement( nodeName );
+
+	if ( opts ) {
+		if ( opts.attr ) {
+			$(tempNode).attr( opts.attr );
+		}
+
+		if( opts.children ) {
+			$.each( opts.children, function ( key, value ) {
+				tempNode.appendChild( value );
+			});
+		}
+
+		if( opts.text ) {
+			tempNode.appendChild( doc.createTextNode( opts.text ) );
+		}
+	}
+
+	return tempNode;
+}
+
+/**
+ * Get the width for an Excel column based on the contents of that column
+ * @param  {object} data Data for export
+ * @param  {int}    col  Column index
+ * @return {int}         Column width
+ */
+function _excelColWidth( data, col ) {
+	var max = data.header[col].length;
+	var len, lineSplit, str;
+
+	if ( data.footer && data.footer[col].length > max ) {
+		max = data.footer[col].length;
+	}
+
+	for ( var i=0, ien=data.body.length ; i<ien ; i++ ) {
+		str = data.body[i][col].toString();
+
+		// If there is a newline character, workout the width of the column
+		// based on the longest line in the string
+		if ( str.indexOf('\n') !== -1 ) {
+			lineSplit = str.split('\n');
+			lineSplit.sort( function (a, b) {
+				return b.length - a.length;
+			} );
+
+			len = lineSplit[0].length;
+		}
+		else {
+			len = str.length;
+		}
+
+		if ( len > max ) {
+			max = len;
+		}
+
+		// Max width rather than having potentially massive column widths
+		if ( max > 40 ) {
+			break;
+		}
+	}
+
+	max *= 1.3;
+
+	// And a min width
+	return max > 6 ? max : 6;
+}
+
+// Excel - Pre-defined strings to build a basic XLSX file
+var excelStrings = {
+	"_rels/.rels":
+		'<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'+
+		'<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">'+
+			'<Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument" Target="xl/workbook.xml"/>'+
+		'</Relationships>',
+
+	"xl/_rels/workbook.xml.rels":
+		'<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'+
+		'<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">'+
+			'<Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet" Target="worksheets/sheet1.xml"/>'+
+			'<Relationship Id="rId2" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles" Target="styles.xml"/>'+
+		'</Relationships>',
+
+	"[Content_Types].xml":
+		'<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'+
+		'<Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types">'+
+			'<Default Extension="xml" ContentType="application/xml" />'+
+			'<Default Extension="rels" ContentType="application/vnd.openxmlformats-package.relationships+xml" />'+
+			'<Default Extension="jpeg" ContentType="image/jpeg" />'+
+			'<Override PartName="/xl/workbook.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml" />'+
+			'<Override PartName="/xl/worksheets/sheet1.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml" />'+
+			'<Override PartName="/xl/styles.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.styles+xml" />'+
+		'</Types>',
+
+	"xl/workbook.xml":
+		'<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'+
+		'<workbook xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships">'+
+			'<fileVersion appName="xl" lastEdited="5" lowestEdited="5" rupBuild="24816"/>'+
+			'<workbookPr showInkAnnotation="0" autoCompressPictures="0"/>'+
+			'<bookViews>'+
+				'<workbookView xWindow="0" yWindow="0" windowWidth="25600" windowHeight="19020" tabRatio="500"/>'+
+			'</bookViews>'+
+			'<sheets>'+
+				'<sheet name="" sheetId="1" r:id="rId1"/>'+
+			'</sheets>'+
+		'</workbook>',
+
+	"xl/worksheets/sheet1.xml":
+		'<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'+
+		'<worksheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="x14ac" xmlns:x14ac="http://schemas.microsoft.com/office/spreadsheetml/2009/9/ac">'+
+			'<sheetData/>'+
+		'</worksheet>',
+
+	"xl/styles.xml":
+		'<?xml version="1.0" encoding="UTF-8"?>'+
+		'<styleSheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="x14ac" xmlns:x14ac="http://schemas.microsoft.com/office/spreadsheetml/2009/9/ac">'+
+			'<numFmts count="6">'+
+				'<numFmt numFmtId="164" formatCode="#,##0.00_-\ [$$-45C]"/>'+
+				'<numFmt numFmtId="165" formatCode="&quot;£&quot;#,##0.00"/>'+
+				'<numFmt numFmtId="166" formatCode="[$€-2]\ #,##0.00"/>'+
+				'<numFmt numFmtId="167" formatCode="0.0%"/>'+
+				'<numFmt numFmtId="168" formatCode="#,##0;(#,##0)"/>'+
+				'<numFmt numFmtId="169" formatCode="#,##0.00;(#,##0.00)"/>'+
+			'</numFmts>'+
+			'<fonts count="5" x14ac:knownFonts="1">'+
+				'<font>'+
+					'<sz val="11" />'+
+					'<name val="Calibri" />'+
+				'</font>'+
+				'<font>'+
+					'<sz val="11" />'+
+					'<name val="Calibri" />'+
+					'<color rgb="FFFFFFFF" />'+
+				'</font>'+
+				'<font>'+
+					'<sz val="11" />'+
+					'<name val="Calibri" />'+
+					'<b />'+
+				'</font>'+
+				'<font>'+
+					'<sz val="11" />'+
+					'<name val="Calibri" />'+
+					'<i />'+
+				'</font>'+
+				'<font>'+
+					'<sz val="11" />'+
+					'<name val="Calibri" />'+
+					'<u />'+
+				'</font>'+
+			'</fonts>'+
+			'<fills count="6">'+
+				'<fill>'+
+					'<patternFill patternType="none" />'+
+				'</fill>'+
+				'<fill/>'+ // Excel appears to use this as a dotted background regardless of values
+				'<fill>'+
+					'<patternFill patternType="solid">'+
+						'<fgColor rgb="FFD9D9D9" />'+
+						'<bgColor indexed="64" />'+
+					'</patternFill>'+
+				'</fill>'+
+				'<fill>'+
+					'<patternFill patternType="solid">'+
+						'<fgColor rgb="FFD99795" />'+
+						'<bgColor indexed="64" />'+
+					'</patternFill>'+
+				'</fill>'+
+				'<fill>'+
+					'<patternFill patternType="solid">'+
+						'<fgColor rgb="ffc6efce" />'+
+						'<bgColor indexed="64" />'+
+					'</patternFill>'+
+				'</fill>'+
+				'<fill>'+
+					'<patternFill patternType="solid">'+
+						'<fgColor rgb="ffc6cfef" />'+
+						'<bgColor indexed="64" />'+
+					'</patternFill>'+
+				'</fill>'+
+			'</fills>'+
+			'<borders count="2">'+
+				'<border>'+
+					'<left />'+
+					'<right />'+
+					'<top />'+
+					'<bottom />'+
+					'<diagonal />'+
+				'</border>'+
+				'<border diagonalUp="false" diagonalDown="false">'+
+					'<left style="thin">'+
+						'<color auto="1" />'+
+					'</left>'+
+					'<right style="thin">'+
+						'<color auto="1" />'+
+					'</right>'+
+					'<top style="thin">'+
+						'<color auto="1" />'+
+					'</top>'+
+					'<bottom style="thin">'+
+						'<color auto="1" />'+
+					'</bottom>'+
+					'<diagonal />'+
+				'</border>'+
+			'</borders>'+
+			'<cellStyleXfs count="1">'+
+				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" />'+
+			'</cellStyleXfs>'+
+			'<cellXfs count="65">'+
+				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="1" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="2" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="3" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="4" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="0" fillId="2" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="1" fillId="2" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="2" fillId="2" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="3" fillId="2" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="4" fillId="2" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="0" fillId="4" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="1" fillId="4" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="2" fillId="4" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="3" fillId="4" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="4" fillId="4" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="0" fillId="4" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="1" fillId="4" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="2" fillId="4" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="3" fillId="4" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="4" fillId="4" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="0" fillId="5" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="1" fillId="5" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="2" fillId="5" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="3" fillId="5" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="4" fillId="5" borderId="0" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="0" fillId="0" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="1" fillId="0" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="2" fillId="0" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="3" fillId="0" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="4" fillId="0" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="0" fillId="2" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="1" fillId="2" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="2" fillId="2" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="3" fillId="2" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="4" fillId="2" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="0" fillId="3" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="1" fillId="3" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="2" fillId="3" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="3" fillId="3" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="4" fillId="3" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="0" fillId="4" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="1" fillId="4" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="2" fillId="4" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="3" fillId="4" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="4" fillId="4" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="0" fillId="5" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="1" fillId="5" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="2" fillId="5" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="3" fillId="5" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="4" fillId="5" borderId="1" applyFont="1" applyFill="1" applyBorder="1"/>'+
+				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyAlignment="1">'+
+					'<alignment horizontal="left"/>'+
+				'</xf>'+
+				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyAlignment="1">'+
+					'<alignment horizontal="center"/>'+
+				'</xf>'+
+				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyAlignment="1">'+
+					'<alignment horizontal="right"/>'+
+				'</xf>'+
+				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyAlignment="1">'+
+					'<alignment horizontal="fill"/>'+
+				'</xf>'+
+				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyAlignment="1">'+
+					'<alignment textRotation="90"/>'+
+				'</xf>'+
+				'<xf numFmtId="0" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyAlignment="1">'+
+					'<alignment wrapText="1"/>'+
+				'</xf>'+
+				'<xf numFmtId="9"   fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
+				'<xf numFmtId="164" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
+				'<xf numFmtId="165" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
+				'<xf numFmtId="166" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
+				'<xf numFmtId="167" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
+				'<xf numFmtId="168" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
+				'<xf numFmtId="169" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
+				'<xf numFmtId="3" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
+				'<xf numFmtId="4" fontId="0" fillId="0" borderId="0" applyFont="1" applyFill="1" applyBorder="1" xfId="0" applyNumberFormat="1"/>'+
+			'</cellXfs>'+
+			'<cellStyles count="1">'+
+				'<cellStyle name="Normal" xfId="0" builtinId="0" />'+
+			'</cellStyles>'+
+			'<dxfs count="0" />'+
+			'<tableStyles count="0" defaultTableStyle="TableStyleMedium9" defaultPivotStyle="PivotStyleMedium4" />'+
+		'</styleSheet>'
+};
+// Note we could use 3 `for` loops for the styles, but when gzipped there is
+// virtually no difference in size, since the above can be easily compressed
+
+// Pattern matching for special number formats. Perhaps this should be exposed
+// via an API in future?
+// Ref: section 3.8.30 - built in formatters in open spreadsheet
+//   https://www.ecma-international.org/news/TC45_current_work/Office%20Open%20XML%20Part%204%20-%20Markup%20Language%20Reference.pdf
+var _excelSpecials = [
+	{ match: /^\-?\d+\.\d%$/,       style: 60, fmt: function (d) { return d/100; } }, // Precent with d.p.
+	{ match: /^\-?\d+\.?\d*%$/,     style: 56, fmt: function (d) { return d/100; } }, // Percent
+	{ match: /^\-?\$[\d,]+.?\d*$/,  style: 57 }, // Dollars
+	{ match: /^\-?£[\d,]+.?\d*$/,   style: 58 }, // Pounds
+	{ match: /^\-?€[\d,]+.?\d*$/,   style: 59 }, // Euros
+	{ match: /^\([\d,]+\)$/,        style: 61, fmt: function (d) { return -1 * d.replace(/[\(\)]/g, ''); } },  // Negative numbers indicated by brackets
+	{ match: /^\([\d,]+\.\d{2}\)$/, style: 62, fmt: function (d) { return -1 * d.replace(/[\(\)]/g, ''); } },  // Negative numbers indicated by brackets - 2d.p.
+	{ match: /^[\d,]+$/,            style: 63 }, // Numbers with thousand separators
+	{ match: /^[\d,]+\.\d{2}$/,     style: 64 }  // Numbers with 2d.p. and thousands separators
+];
+
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Buttons
+ */
+
+//
+// Copy to clipboard
+//
+DataTable.ext.buttons.copyHtml5 = {
+	className: 'buttons-copy buttons-html5',
+
+	text: function ( dt ) {
+		return dt.i18n( 'buttons.copy', 'Copy' );
+	},
+
+	action: function ( e, dt, button, config ) {
+		var exportData = _exportData( dt, config );
+		var output = exportData.str;
+		var hiddenDiv = $('<div/>')
+			.css( {
+				height: 1,
+				width: 1,
+				overflow: 'hidden',
+				position: 'fixed',
+				top: 0,
+				left: 0
+			} );
+
+		if ( config.customize ) {
+			output = config.customize( output, config );
+		}
+
+		var textarea = $('<textarea readonly/>')
+			.val( output )
+			.appendTo( hiddenDiv );
+
+		// For browsers that support the copy execCommand, try to use it
+		if ( document.queryCommandSupported('copy') ) {
+			hiddenDiv.appendTo( dt.table().container() );
+			textarea[0].focus();
+			textarea[0].select();
+
+			try {
+				var successful = document.execCommand( 'copy' );
+				hiddenDiv.remove();
+
+				if (successful) {
+					dt.buttons.info(
+						dt.i18n( 'buttons.copyTitle', 'Copy to clipboard' ),
+						dt.i18n( 'buttons.copySuccess', {
+							1: 'Copied one row to clipboard',
+							_: 'Copied %d rows to clipboard'
+						}, exportData.rows ),
+						2000
+					);
+					return;
+				}
+			}
+			catch (t) {}
+		}
+
+		// Otherwise we show the text box and instruct the user to use it
+		var message = $('<span>'+dt.i18n( 'buttons.copyKeys',
+				'Press <i>ctrl</i> or <i>\u2318</i> + <i>C</i> to copy the table data<br>to your system clipboard.<br><br>'+
+				'To cancel, click this message or press escape.' )+'</span>'
+			)
+			.append( hiddenDiv );
+
+		dt.buttons.info( dt.i18n( 'buttons.copyTitle', 'Copy to clipboard' ), message, 0 );
+
+		// Select the text so when the user activates their system clipboard
+		// it will copy that text
+		textarea[0].focus();
+		textarea[0].select();
+
+		// Event to hide the message when the user is done
+		var container = $(message).closest('.dt-button-info');
+		var close = function () {
+			container.off( 'click.buttons-copy' );
+			$(document).off( '.buttons-copy' );
+			dt.buttons.info( false );
+		};
+
+		container.on( 'click.buttons-copy', close );
+		$(document)
+			.on( 'keydown.buttons-copy', function (e) {
+				if ( e.keyCode === 27 ) { // esc
+					close();
+				}
+			} )
+			.on( 'copy.buttons-copy cut.buttons-copy', function () {
+				close();
+			} );
+	},
+
+	exportOptions: {},
+
+	fieldSeparator: '\t',
+
+	fieldBoundary: '',
+
+	header: true,
+
+	footer: false
+};
+
+//
+// CSV export
+//
+DataTable.ext.buttons.csvHtml5 = {
+	bom: false,
+
+	className: 'buttons-csv buttons-html5',
+
+	available: function () {
+		return window.FileReader !== undefined && window.Blob;
+	},
+
+	text: function ( dt ) {
+		return dt.i18n( 'buttons.csv', 'CSV' );
+	},
+
+	action: function ( e, dt, button, config ) {
+		// Set the text
+		var output = _exportData( dt, config ).str;
+		var charset = config.charset;
+
+		if ( config.customize ) {
+			output = config.customize( output, config );
+		}
+
+		if ( charset !== false ) {
+			if ( ! charset ) {
+				charset = document.characterSet || document.charset;
+			}
+
+			if ( charset ) {
+				charset = ';charset='+charset;
+			}
+		}
+		else {
+			charset = '';
+		}
+
+		if ( config.bom ) {
+			output = '\ufeff' + output;
+		}
+
+		_saveAs(
+			new Blob( [output], {type: 'text/csv'+charset} ),
+			_filename( config ),
+			true
+		);
+	},
+
+	filename: '*',
+
+	extension: '.csv',
+
+	exportOptions: {},
+
+	fieldSeparator: ',',
+
+	fieldBoundary: '"',
+
+	escapeChar: '"',
+
+	charset: null,
+
+	header: true,
+
+	footer: false
+};
+
+//
+// Excel (xlsx) export
+//
+DataTable.ext.buttons.excelHtml5 = {
+	className: 'buttons-excel buttons-html5',
+
+	available: function () {
+		return window.FileReader !== undefined && _jsZip() !== undefined && ! _isDuffSafari() && _serialiser;
+	},
+
+	text: function ( dt ) {
+		return dt.i18n( 'buttons.excel', 'Excel' );
+	},
+
+	action: function ( e, dt, button, config ) {
+		var rowPos = 0;
+		var getXml = function ( type ) {
+			var str = excelStrings[ type ];
+
+			//str = str.replace( /xmlns:/g, 'xmlns_' ).replace( /mc:/g, 'mc_' );
+
+			return $.parseXML( str );
+		};
+		var rels = getXml('xl/worksheets/sheet1.xml');
+		var relsGet = rels.getElementsByTagName( "sheetData" )[0];
+
+		var xlsx = {
+			_rels: {
+				".rels": getXml('_rels/.rels')
+			},
+			xl: {
+				_rels: {
+					"workbook.xml.rels": getXml('xl/_rels/workbook.xml.rels')
+				},
+				"workbook.xml": getXml('xl/workbook.xml'),
+				"styles.xml": getXml('xl/styles.xml'),
+				"worksheets": {
+					"sheet1.xml": rels
+				}
+
+			},
+			"[Content_Types].xml": getXml('[Content_Types].xml')
+		};
+
+		var data = dt.buttons.exportData( config.exportOptions );
+		var currentRow, rowNode;
+		var addRow = function ( row ) {
+			currentRow = rowPos+1;
+			rowNode = _createNode( rels, "row", { attr: {r:currentRow} } );
+
+			for ( var i=0, ien=row.length ; i<ien ; i++ ) {
+				// Concat both the Cell Columns as a letter and the Row of the cell.
+				var cellId = createCellPos(i) + '' + currentRow;
+				var cell = null;
+
+				// For null, undefined of blank cell, continue so it doesn't create the _createNode
+				if ( row[i] === null || row[i] === undefined || row[i] === '' ) {
+					continue;
+				}
+
+				row[i] = $.trim( row[i] );
+
+				// Special number formatting options
+				for ( var j=0, jen=_excelSpecials.length ; j<jen ; j++ ) {
+					var special = _excelSpecials[j];
+
+					if ( row[i].match && row[i].match( special.match ) ) {
+						var val = row[i].replace(/[^\d\.\-]/g, '');
+
+						if ( special.fmt ) {
+							val = special.fmt( val );
+						}
+
+						cell = _createNode( rels, 'c', {
+							attr: {
+								r: cellId,
+								s: special.style
+							},
+							children: [
+								_createNode( rels, 'v', { text: val } )
+							]
+						} );
+
+						break;
+					}
+				}
+
+				if ( ! cell ) {
+					if ( typeof row[i] === 'number' || (
+						row[i].match &&
+						row[i].match(/^-?\d+(\.\d+)?$/) &&
+						! row[i].match(/^0\d+/) )
+					) {
+						// Detect numbers - don't match numbers with leading zeros
+						// or a negative anywhere but the start
+						cell = _createNode( rels, 'c', {
+							attr: {
+								t: 'n',
+								r: cellId
+							},
+							children: [
+								_createNode( rels, 'v', { text: row[i] } )
+							]
+						} );
+					}
+					else {
+						// String output - replace non standard characters for text output
+						var text = ! row[i].replace ?
+							row[i] :
+							row[i].replace(/[\x00-\x09\x0B\x0C\x0E-\x1F\x7F-\x9F]/g, '');
+
+						cell = _createNode( rels, 'c', {
+							attr: {
+								t: 'inlineStr',
+								r: cellId
+							},
+							children:{
+								row: _createNode( rels, 'is', {
+									children: {
+										row: _createNode( rels, 't', {
+											text: text
+										} )
+									}
+								} )
+							}
+						} );
+					}
+				}
+
+				rowNode.appendChild( cell );
+			}
+
+			relsGet.appendChild(rowNode);
+			rowPos++;
+		};
+
+		$( 'sheets sheet', xlsx.xl['workbook.xml'] ).attr( 'name', _sheetname( config ) );
+
+		if ( config.customizeData ) {
+			config.customizeData( data );
+		}
+
+		if ( config.header ) {
+			addRow( data.header, rowPos );
+			$('row c', rels).attr( 's', '2' ); // bold
+		}
+
+		for ( var n=0, ie=data.body.length ; n<ie ; n++ ) {
+			addRow( data.body[n], rowPos );
+		}
+
+		if ( config.footer && data.footer ) {
+			addRow( data.footer, rowPos);
+			$('row:last c', rels).attr( 's', '2' ); // bold
+		}
+
+		// Set column widths
+		var cols = _createNode( rels, 'cols' );
+		$('worksheet', rels).prepend( cols );
+
+		for ( var i=0, ien=data.header.length ; i<ien ; i++ ) {
+			cols.appendChild( _createNode( rels, 'col', {
+				attr: {
+					min: i+1,
+					max: i+1,
+					width: _excelColWidth( data, i ),
+					customWidth: 1
+				}
+			} ) );
+		}
+
+		// Let the developer customise the document if they want to
+		if ( config.customize ) {
+			config.customize( xlsx );
+		}
+
+		var jszip = _jsZip();
+		var zip = new jszip();
+		var zipConfig = {
+			type: 'blob',
+			mimeType: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
+		};
+
+		_addToZip( zip, xlsx );
+
+		if ( zip.generateAsync ) {
+			// JSZip 3+
+			zip
+				.generateAsync( zipConfig )
+				.then( function ( blob ) {
+					_saveAs( blob, _filename( config ) );
+				} );
+		}
+		else {
+			// JSZip 2.5
+			_saveAs(
+				zip.generate( zipConfig ),
+				_filename( config )
+			);
+		}
+	},
+
+	filename: '*',
+
+	extension: '.xlsx',
+
+	exportOptions: {},
+
+	header: true,
+
+	footer: false
+};
+
+//
+// PDF export - using pdfMake - http://pdfmake.org
+//
+DataTable.ext.buttons.pdfHtml5 = {
+	className: 'buttons-pdf buttons-html5',
+
+	available: function () {
+		return window.FileReader !== undefined && _pdfMake();
+	},
+
+	text: function ( dt ) {
+		return dt.i18n( 'buttons.pdf', 'PDF' );
+	},
+
+	action: function ( e, dt, button, config ) {
+		var newLine = _newLine( config );
+		var data = dt.buttons.exportData( config.exportOptions );
+		var rows = [];
+
+		if ( config.header ) {
+			rows.push( $.map( data.header, function ( d ) {
+				return {
+					text: typeof d === 'string' ? d : d+'',
+					style: 'tableHeader'
+				};
+			} ) );
+		}
+
+		for ( var i=0, ien=data.body.length ; i<ien ; i++ ) {
+			rows.push( $.map( data.body[i], function ( d ) {
+				return {
+					text: typeof d === 'string' ? d : d+'',
+					style: i % 2 ? 'tableBodyEven' : 'tableBodyOdd'
+				};
+			} ) );
+		}
+
+		if ( config.footer && data.footer) {
+			rows.push( $.map( data.footer, function ( d ) {
+				return {
+					text: typeof d === 'string' ? d : d+'',
+					style: 'tableFooter'
+				};
+			} ) );
+		}
+
+		var doc = {
+			pageSize: config.pageSize,
+			pageOrientation: config.orientation,
+			content: [
+				{
+					table: {
+						headerRows: 1,
+						body: rows
+					},
+					layout: 'noBorders'
+				}
+			],
+			styles: {
+				tableHeader: {
+					bold: true,
+					fontSize: 11,
+					color: 'white',
+					fillColor: '#2d4154',
+					alignment: 'center'
+				},
+				tableBodyEven: {},
+				tableBodyOdd: {
+					fillColor: '#f3f3f3'
+				},
+				tableFooter: {
+					bold: true,
+					fontSize: 11,
+					color: 'white',
+					fillColor: '#2d4154'
+				},
+				title: {
+					alignment: 'center',
+					fontSize: 15
+				},
+				message: {}
+			},
+			defaultStyle: {
+				fontSize: 10
+			}
+		};
+
+		if ( config.message ) {
+      doc.content.unshift( {
+        text: typeof config.message == 'function' ? config.message(dt, button, config) : config.message,
+        style: 'message',
+        margin: [ 0, 0, 0, 12 ]
+      } );
+		}
+
+		if ( config.title ) {
+			doc.content.unshift( {
+				text: _title( config, false ),
+				style: 'title',
+				margin: [ 0, 0, 0, 12 ]
+			} );
+		}
+
+		if ( config.customize ) {
+			config.customize( doc, config );
+		}
+
+		var pdf = _pdfMake().createPdf( doc );
+
+		if ( config.download === 'open' && ! _isDuffSafari() ) {
+			pdf.open();
+		}
+		else {
+			pdf.getBuffer( function (buffer) {
+				var blob = new Blob( [buffer], {type:'application/pdf'} );
+
+				_saveAs( blob, _filename( config ) );
+			} );
+		}
+	},
+
+	title: '*',
+
+	filename: '*',
+
+	extension: '.pdf',
+
+	exportOptions: {},
+
+	orientation: 'portrait',
+
+	pageSize: 'A4',
+
+	header: true,
+
+	footer: false,
+
+	message: null,
+
+	customize: null,
+
+	download: 'download'
+};
+
+
+return DataTable.Buttons;
+}));
@@ -0,0 +1,1664 @@
+/*! Buttons for DataTables 1.2.3
+ * ©2016 SpryMedia Ltd - 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
+		module.exports = function (root, $) {
+			if ( ! root ) {
+				root = window;
+			}
+
+			if ( ! $ || ! $.fn.dataTable ) {
+				$ = require('datatables.net')(root, $).$;
+			}
+
+			return factory( $, root, root.document );
+		};
+	}
+	else {
+		// Browser
+		factory( jQuery, window, document );
+	}
+}(function( $, window, document, undefined ) {
+'use strict';
+var DataTable = $.fn.dataTable;
+
+
+// Used for namespacing events added to the document by each instance, so they
+// can be removed on destroy
+var _instCounter = 0;
+
+// Button namespacing counter for namespacing events on individual buttons
+var _buttonCounter = 0;
+
+var _dtButtons = DataTable.ext.buttons;
+
+/**
+ * [Buttons description]
+ * @param {[type]}
+ * @param {[type]}
+ */
+var Buttons = function( dt, config )
+{
+	// Allow a boolean true for defaults
+	if ( config === true ) {
+		config = {};
+	}
+
+	// For easy configuration of buttons an array can be given
+	if ( $.isArray( config ) ) {
+		config = { buttons: config };
+	}
+
+	this.c = $.extend( true, {}, Buttons.defaults, config );
+
+	// Don't want a deep copy for the buttons
+	if ( config.buttons ) {
+		this.c.buttons = config.buttons;
+	}
+
+	this.s = {
+		dt: new DataTable.Api( dt ),
+		buttons: [],
+		listenKeys: '',
+		namespace: 'dtb'+(_instCounter++)
+	};
+
+	this.dom = {
+		container: $('<'+this.c.dom.container.tag+'/>')
+			.addClass( this.c.dom.container.className )
+	};
+
+	this._constructor();
+};
+
+
+$.extend( Buttons.prototype, {
+	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+	 * Public methods
+	 */
+
+	/**
+	 * Get the action of a button
+	 * @param  {int|string} Button index
+	 * @return {function}
+	 *//**
+	 * Set the action of a button
+	 * @param  {node} node Button element
+	 * @param  {function} action Function to set
+	 * @return {Buttons} Self for chaining
+	 */
+	action: function ( node, action )
+	{
+		var button = this._nodeToButton( node );
+
+		if ( action === undefined ) {
+			return button.conf.action;
+		}
+
+		button.conf.action = action;
+
+		return this;
+	},
+
+	/**
+	 * Add an active class to the button to make to look active or get current
+	 * active state.
+	 * @param  {node} node Button element
+	 * @param  {boolean} [flag] Enable / disable flag
+	 * @return {Buttons} Self for chaining or boolean for getter
+	 */
+	active: function ( node, flag ) {
+		var button = this._nodeToButton( node );
+		var klass = this.c.dom.button.active;
+		var jqNode = $(button.node);
+
+		if ( flag === undefined ) {
+			return jqNode.hasClass( klass );
+		}
+
+		jqNode.toggleClass( klass, flag === undefined ? true : flag );
+
+		return this;
+	},
+
+	/**
+	 * Add a new button
+	 * @param {object} config Button configuration object, base string name or function
+	 * @param {int|string} [idx] Button index for where to insert the button
+	 * @return {Buttons} Self for chaining
+	 */
+	add: function ( config, idx )
+	{
+		var buttons = this.s.buttons;
+
+		if ( typeof idx === 'string' ) {
+			var split = idx.split('-');
+			var base = this.s;
+
+			for ( var i=0, ien=split.length-1 ; i<ien ; i++ ) {
+				base = base.buttons[ split[i]*1 ];
+			}
+
+			buttons = base.buttons;
+			idx = split[ split.length-1 ]*1;
+		}
+
+		this._expandButton( buttons, config, false, idx );
+		this._draw();
+
+		return this;
+	},
+
+	/**
+	 * Get the container node for the buttons
+	 * @return {jQuery} Buttons node
+	 */
+	container: function ()
+	{
+		return this.dom.container;
+	},
+
+	/**
+	 * Disable a button
+	 * @param  {node} node Button node
+	 * @return {Buttons} Self for chaining
+	 */
+	disable: function ( node ) {
+		var button = this._nodeToButton( node );
+
+		$(button.node).addClass( this.c.dom.button.disabled );
+
+		return this;
+	},
+
+	/**
+	 * Destroy the instance, cleaning up event handlers and removing DOM
+	 * elements
+	 * @return {Buttons} Self for chaining
+	 */
+	destroy: function ()
+	{
+		// Key event listener
+		$('body').off( 'keyup.'+this.s.namespace );
+
+		// Individual button destroy (so they can remove their own events if
+		// needed). Take a copy as the array is modified by `remove`
+		var buttons = this.s.buttons.slice();
+		var i, ien;
+		
+		for ( i=0, ien=buttons.length ; i<ien ; i++ ) {
+			this.remove( buttons[i].node );
+		}
+
+		// Container
+		this.dom.container.remove();
+
+		// Remove from the settings object collection
+		var buttonInsts = this.s.dt.settings()[0];
+
+		for ( i=0, ien=buttonInsts.length ; i<ien ; i++ ) {
+			if ( buttonInsts.inst === this ) {
+				buttonInsts.splice( i, 1 );
+				break;
+			}
+		}
+
+		return this;
+	},
+
+	/**
+	 * Enable / disable a button
+	 * @param  {node} node Button node
+	 * @param  {boolean} [flag=true] Enable / disable flag
+	 * @return {Buttons} Self for chaining
+	 */
+	enable: function ( node, flag )
+	{
+		if ( flag === false ) {
+			return this.disable( node );
+		}
+
+		var button = this._nodeToButton( node );
+		$(button.node).removeClass( this.c.dom.button.disabled );
+
+		return this;
+	},
+
+	/**
+	 * Get the instance name for the button set selector
+	 * @return {string} Instance name
+	 */
+	name: function ()
+	{
+		return this.c.name;
+	},
+
+	/**
+	 * Get a button's node
+	 * @param  {node} node Button node
+	 * @return {jQuery} Button element
+	 */
+	node: function ( node )
+	{
+		var button = this._nodeToButton( node );
+		return $(button.node);
+	},
+
+	/**
+	 * Remove a button.
+	 * @param  {node} node Button node
+	 * @return {Buttons} Self for chaining
+	 */
+	remove: function ( node )
+	{
+		var button = this._nodeToButton( node );
+		var host = this._nodeToHost( node );
+		var dt = this.s.dt;
+
+		// Remove any child buttons first
+		if ( button.buttons.length ) {
+			for ( var i=button.buttons.length-1 ; i>=0 ; i-- ) {
+				this.remove( button.buttons[i].node );
+			}
+		}
+
+		// Allow the button to remove event handlers, etc
+		if ( button.conf.destroy ) {
+			button.conf.destroy.call( dt.button(node), dt, $(node), button.conf );
+		}
+
+		this._removeKey( button.conf );
+
+		$(button.node).remove();
+
+		var idx = $.inArray( button, host );
+		host.splice( idx, 1 );
+
+		return this;
+	},
+
+	/**
+	 * Get the text for a button
+	 * @param  {int|string} node Button index
+	 * @return {string} Button text
+	 *//**
+	 * Set the text for a button
+	 * @param  {int|string|function} node Button index
+	 * @param  {string} label Text
+	 * @return {Buttons} Self for chaining
+	 */
+	text: function ( node, label )
+	{
+		var button = this._nodeToButton( node );
+		var buttonLiner = this.c.dom.collection.buttonLiner;
+		var linerTag = button.inCollection && buttonLiner && buttonLiner.tag ?
+			buttonLiner.tag :
+			this.c.dom.buttonLiner.tag;
+		var dt = this.s.dt;
+		var jqNode = $(button.node);
+		var text = function ( opt ) {
+			return typeof opt === 'function' ?
+				opt( dt, jqNode, button.conf ) :
+				opt;
+		};
+
+		if ( label === undefined ) {
+			return text( button.conf.text );
+		}
+
+		button.conf.text = label;
+
+		if ( linerTag ) {
+			jqNode.children( linerTag ).html( text(label) );
+		}
+		else {
+			jqNode.html( text(label) );
+		}
+
+		return this;
+	},
+
+
+	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+	 * Constructor
+	 */
+
+	/**
+	 * Buttons constructor
+	 * @private
+	 */
+	_constructor: function ()
+	{
+		var that = this;
+		var dt = this.s.dt;
+		var dtSettings = dt.settings()[0];
+		var buttons =  this.c.buttons;
+
+		if ( ! dtSettings._buttons ) {
+			dtSettings._buttons = [];
+		}
+
+		dtSettings._buttons.push( {
+			inst: this,
+			name: this.c.name
+		} );
+
+		for ( var i=0, ien=buttons.length ; i<ien ; i++ ) {
+			this.add( buttons[i] );
+		}
+
+		dt.on( 'destroy', function () {
+			that.destroy();
+		} );
+
+		// Global key event binding to listen for button keys
+		$('body').on( 'keyup.'+this.s.namespace, function ( e ) {
+			if ( ! document.activeElement || document.activeElement === document.body ) {
+				// SUse a string of characters for fast lookup of if we need to
+				// handle this
+				var character = String.fromCharCode(e.keyCode).toLowerCase();
+
+				if ( that.s.listenKeys.toLowerCase().indexOf( character ) !== -1 ) {
+					that._keypress( character, e );
+				}
+			}
+		} );
+	},
+
+
+	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+	 * Private methods
+	 */
+
+	/**
+	 * Add a new button to the key press listener
+	 * @param {object} conf Resolved button configuration object
+	 * @private
+	 */
+	_addKey: function ( conf )
+	{
+		if ( conf.key ) {
+			this.s.listenKeys += $.isPlainObject( conf.key ) ?
+				conf.key.key :
+				conf.key;
+		}
+	},
+
+	/**
+	 * Insert the buttons into the container. Call without parameters!
+	 * @param  {node} [container] Recursive only - Insert point
+	 * @param  {array} [buttons] Recursive only - Buttons array
+	 * @private
+	 */
+	_draw: function ( container, buttons )
+	{
+		if ( ! container ) {
+			container = this.dom.container;
+			buttons = this.s.buttons;
+		}
+
+		container.children().detach();
+
+		for ( var i=0, ien=buttons.length ; i<ien ; i++ ) {
+			container.append( buttons[i].inserter );
+
+			if ( buttons[i].buttons && buttons[i].buttons.length ) {
+				this._draw( buttons[i].collection, buttons[i].buttons );
+			}
+		}
+	},
+
+	/**
+	 * Create buttons from an array of buttons
+	 * @param  {array} attachTo Buttons array to attach to
+	 * @param  {object} button Button definition
+	 * @param  {boolean} inCollection true if the button is in a collection
+	 * @private
+	 */
+	_expandButton: function ( attachTo, button, inCollection, attachPoint )
+	{
+		var dt = this.s.dt;
+		var buttonCounter = 0;
+		var buttons = ! $.isArray( button ) ?
+			[ button ] :
+			button;
+
+		for ( var i=0, ien=buttons.length ; i<ien ; i++ ) {
+			var conf = this._resolveExtends( buttons[i] );
+
+			if ( ! conf ) {
+				continue;
+			}
+
+			// If the configuration is an array, then expand the buttons at this
+			// point
+			if ( $.isArray( conf ) ) {
+				this._expandButton( attachTo, conf, inCollection, attachPoint );
+				continue;
+			}
+
+			var built = this._buildButton( conf, inCollection );
+			if ( ! built ) {
+				continue;
+			}
+
+			if ( attachPoint !== undefined ) {
+				attachTo.splice( attachPoint, 0, built );
+				attachPoint++;
+			}
+			else {
+				attachTo.push( built );
+			}
+
+			if ( built.conf.buttons ) {
+				var collectionDom = this.c.dom.collection;
+				built.collection = $('<'+collectionDom.tag+'/>')
+					.addClass( collectionDom.className );
+				built.conf._collection = built.collection;
+
+				this._expandButton( built.buttons, built.conf.buttons, true, attachPoint );
+			}
+
+			// init call is made here, rather than buildButton as it needs to
+			// be selectable, and for that it needs to be in the buttons array
+			if ( conf.init ) {
+				conf.init.call( dt.button( built.node ), dt, $(built.node), conf );
+			}
+
+			buttonCounter++;
+		}
+	},
+
+	/**
+	 * Create an individual button
+	 * @param  {object} config            Resolved button configuration
+	 * @param  {boolean} inCollection `true` if a collection button
+	 * @return {jQuery} Created button node (jQuery)
+	 * @private
+	 */
+	_buildButton: function ( config, inCollection )
+	{
+		var buttonDom = this.c.dom.button;
+		var linerDom = this.c.dom.buttonLiner;
+		var collectionDom = this.c.dom.collection;
+		var dt = this.s.dt;
+		var text = function ( opt ) {
+			return typeof opt === 'function' ?
+				opt( dt, button, config ) :
+				opt;
+		};
+
+		if ( inCollection && collectionDom.button ) {
+			buttonDom = collectionDom.button;
+		}
+
+		if ( inCollection && collectionDom.buttonLiner ) {
+			linerDom = collectionDom.buttonLiner;
+		}
+
+		// Make sure that the button is available based on whatever requirements
+		// it has. For example, Flash buttons require Flash
+		if ( config.available && ! config.available( dt, config ) ) {
+			return false;
+		}
+
+		var action = function ( e, dt, button, config ) {
+			config.action.call( dt.button( button ), e, dt, button, config );
+
+			$(dt.table().node()).triggerHandler( 'buttons-action.dt', [
+				dt.button( button ), dt, button, config 
+			] );
+		};
+
+		var button = $('<'+buttonDom.tag+'/>')
+			.addClass( buttonDom.className )
+			.attr( 'tabindex', this.s.dt.settings()[0].iTabIndex )
+			.attr( 'aria-controls', this.s.dt.table().node().id )
+			.on( 'click.dtb', function (e) {
+				e.preventDefault();
+
+				if ( ! button.hasClass( buttonDom.disabled ) && config.action ) {
+					action( e, dt, button, config );
+				}
+
+				button.blur();
+			} )
+			.on( 'keyup.dtb', function (e) {
+				if ( e.keyCode === 13 ) {
+					if ( ! button.hasClass( buttonDom.disabled ) && config.action ) {
+						action( e, dt, button, config );
+					}
+				}
+			} );
+
+		// Make `a` tags act like a link
+		if ( buttonDom.tag.toLowerCase() === 'a' ) {
+			button.attr( 'href', '#' );
+		}
+
+		if ( linerDom.tag ) {
+			var liner = $('<'+linerDom.tag+'/>')
+				.html( text( config.text ) )
+				.addClass( linerDom.className );
+
+			if ( linerDom.tag.toLowerCase() === 'a' ) {
+				liner.attr( 'href', '#' );
+			}
+
+			button.append( liner );
+		}
+		else {
+			button.html( text( config.text ) );
+		}
+
+		if ( config.enabled === false ) {
+			button.addClass( buttonDom.disabled );
+		}
+
+		if ( config.className ) {
+			button.addClass( config.className );
+		}
+
+		if ( config.titleAttr ) {
+			button.attr( 'title', config.titleAttr );
+		}
+
+		if ( ! config.namespace ) {
+			config.namespace = '.dt-button-'+(_buttonCounter++);
+		}
+
+		var buttonContainer = this.c.dom.buttonContainer;
+		var inserter;
+		if ( buttonContainer && buttonContainer.tag ) {
+			inserter = $('<'+buttonContainer.tag+'/>')
+				.addClass( buttonContainer.className )
+				.append( button );
+		}
+		else {
+			inserter = button;
+		}
+
+		this._addKey( config );
+
+		return {
+			conf:         config,
+			node:         button.get(0),
+			inserter:     inserter,
+			buttons:      [],
+			inCollection: inCollection,
+			collection:   null
+		};
+	},
+
+	/**
+	 * Get the button object from a node (recursive)
+	 * @param  {node} node Button node
+	 * @param  {array} [buttons] Button array, uses base if not defined
+	 * @return {object} Button object
+	 * @private
+	 */
+	_nodeToButton: function ( node, buttons )
+	{
+		if ( ! buttons ) {
+			buttons = this.s.buttons;
+		}
+
+		for ( var i=0, ien=buttons.length ; i<ien ; i++ ) {
+			if ( buttons[i].node === node ) {
+				return buttons[i];
+			}
+
+			if ( buttons[i].buttons.length ) {
+				var ret = this._nodeToButton( node, buttons[i].buttons );
+
+				if ( ret ) {
+					return ret;
+				}
+			}
+		}
+	},
+
+	/**
+	 * Get container array for a button from a button node (recursive)
+	 * @param  {node} node Button node
+	 * @param  {array} [buttons] Button array, uses base if not defined
+	 * @return {array} Button's host array
+	 * @private
+	 */
+	_nodeToHost: function ( node, buttons )
+	{
+		if ( ! buttons ) {
+			buttons = this.s.buttons;
+		}
+
+		for ( var i=0, ien=buttons.length ; i<ien ; i++ ) {
+			if ( buttons[i].node === node ) {
+				return buttons;
+			}
+
+			if ( buttons[i].buttons.length ) {
+				var ret = this._nodeToHost( node, buttons[i].buttons );
+
+				if ( ret ) {
+					return ret;
+				}
+			}
+		}
+	},
+
+	/**
+	 * Handle a key press - determine if any button's key configured matches
+	 * what was typed and trigger the action if so.
+	 * @param  {string} character The character pressed
+	 * @param  {object} e Key event that triggered this call
+	 * @private
+	 */
+	_keypress: function ( character, e )
+	{
+		var run = function ( conf, node ) {
+			if ( ! conf.key ) {
+				return;
+			}
+
+			if ( conf.key === character ) {
+				$(node).click();
+			}
+			else if ( $.isPlainObject( conf.key ) ) {
+				if ( conf.key.key !== character ) {
+					return;
+				}
+
+				if ( conf.key.shiftKey && ! e.shiftKey ) {
+					return;
+				}
+
+				if ( conf.key.altKey && ! e.altKey ) {
+					return;
+				}
+
+				if ( conf.key.ctrlKey && ! e.ctrlKey ) {
+					return;
+				}
+
+				if ( conf.key.metaKey && ! e.metaKey ) {
+					return;
+				}
+
+				// Made it this far - it is good
+				$(node).click();
+			}
+		};
+
+		var recurse = function ( a ) {
+			for ( var i=0, ien=a.length ; i<ien ; i++ ) {
+				run( a[i].conf, a[i].node );
+
+				if ( a[i].buttons.length ) {
+					recurse( a[i].buttons );
+				}
+			}
+		};
+
+		recurse( this.s.buttons );
+	},
+
+	/**
+	 * Remove a key from the key listener for this instance (to be used when a
+	 * button is removed)
+	 * @param  {object} conf Button configuration
+	 * @private
+	 */
+	_removeKey: function ( conf )
+	{
+		if ( conf.key ) {
+			var character = $.isPlainObject( conf.key ) ?
+				conf.key.key :
+				conf.key;
+
+			// Remove only one character, as multiple buttons could have the
+			// same listening key
+			var a = this.s.listenKeys.split('');
+			var idx = $.inArray( character, a );
+			a.splice( idx, 1 );
+			this.s.listenKeys = a.join('');
+		}
+	},
+
+	/**
+	 * Resolve a button configuration
+	 * @param  {string|function|object} conf Button config to resolve
+	 * @return {object} Button configuration
+	 * @private
+	 */
+	_resolveExtends: function ( conf )
+	{
+		var dt = this.s.dt;
+		var i, ien;
+		var toConfObject = function ( base ) {
+			var loop = 0;
+
+			// Loop until we have resolved to a button configuration, or an
+			// array of button configurations (which will be iterated
+			// separately)
+			while ( ! $.isPlainObject(base) && ! $.isArray(base) ) {
+				if ( base === undefined ) {
+					return;
+				}
+
+				if ( typeof base === 'function' ) {
+					base = base( dt, conf );
+
+					if ( ! base ) {
+						return false;
+					}
+				}
+				else if ( typeof base === 'string' ) {
+					if ( ! _dtButtons[ base ] ) {
+						throw 'Unknown button type: '+base;
+					}
+
+					base = _dtButtons[ base ];
+				}
+
+				loop++;
+				if ( loop > 30 ) {
+					// Protect against misconfiguration killing the browser
+					throw 'Buttons: Too many iterations';
+				}
+			}
+
+			return $.isArray( base ) ?
+				base :
+				$.extend( {}, base );
+		};
+
+		conf = toConfObject( conf );
+
+		while ( conf && conf.extend ) {
+			// Use `toConfObject` in case the button definition being extended
+			// is itself a string or a function
+			if ( ! _dtButtons[ conf.extend ] ) {
+				throw 'Cannot extend unknown button type: '+conf.extend;
+			}
+
+			var objArray = toConfObject( _dtButtons[ conf.extend ] );
+			if ( $.isArray( objArray ) ) {
+				return objArray;
+			}
+			else if ( ! objArray ) {
+				// This is a little brutal as it might be possible to have a
+				// valid button without the extend, but if there is no extend
+				// then the host button would be acting in an undefined state
+				return false;
+			}
+
+			// Stash the current class name
+			var originalClassName = objArray.className;
+
+			conf = $.extend( {}, objArray, conf );
+
+			// The extend will have overwritten the original class name if the
+			// `conf` object also assigned a class, but we want to concatenate
+			// them so they are list that is combined from all extended buttons
+			if ( originalClassName && conf.className !== originalClassName ) {
+				conf.className = originalClassName+' '+conf.className;
+			}
+
+			// Buttons to be added to a collection  -gives the ability to define
+			// if buttons should be added to the start or end of a collection
+			var postfixButtons = conf.postfixButtons;
+			if ( postfixButtons ) {
+				if ( ! conf.buttons ) {
+					conf.buttons = [];
+				}
+
+				for ( i=0, ien=postfixButtons.length ; i<ien ; i++ ) {
+					conf.buttons.push( postfixButtons[i] );
+				}
+
+				conf.postfixButtons = null;
+			}
+
+			var prefixButtons = conf.prefixButtons;
+			if ( prefixButtons ) {
+				if ( ! conf.buttons ) {
+					conf.buttons = [];
+				}
+
+				for ( i=0, ien=prefixButtons.length ; i<ien ; i++ ) {
+					conf.buttons.splice( i, 0, prefixButtons[i] );
+				}
+
+				conf.prefixButtons = null;
+			}
+
+			// Although we want the `conf` object to overwrite almost all of
+			// the properties of the object being extended, the `extend`
+			// property should come from the object being extended
+			conf.extend = objArray.extend;
+		}
+
+		return conf;
+	}
+} );
+
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Statics
+ */
+
+/**
+ * Show / hide a background layer behind a collection
+ * @param  {boolean} Flag to indicate if the background should be shown or
+ *   hidden 
+ * @param  {string} Class to assign to the background
+ * @static
+ */
+Buttons.background = function ( show, className, fade ) {
+	if ( fade === undefined ) {
+		fade = 400;
+	}
+
+	if ( show ) {
+		$('<div/>')
+			.addClass( className )
+			.css( 'display', 'none' )
+			.appendTo( 'body' )
+			.fadeIn( fade );
+	}
+	else {
+		$('body > div.'+className)
+			.fadeOut( fade, function () {
+				$(this)
+					.removeClass( className )
+					.remove();
+			} );
+	}
+};
+
+/**
+ * Instance selector - select Buttons instances based on an instance selector
+ * value from the buttons assigned to a DataTable. This is only useful if
+ * multiple instances are attached to a DataTable.
+ * @param  {string|int|array} Instance selector - see `instance-selector`
+ *   documentation on the DataTables site
+ * @param  {array} Button instance array that was attached to the DataTables
+ *   settings object
+ * @return {array} Buttons instances
+ * @static
+ */
+Buttons.instanceSelector = function ( group, buttons )
+{
+	if ( ! group ) {
+		return $.map( buttons, function ( v ) {
+			return v.inst;
+		} );
+	}
+
+	var ret = [];
+	var names = $.map( buttons, function ( v ) {
+		return v.name;
+	} );
+
+	// Flatten the group selector into an array of single options
+	var process = function ( input ) {
+		if ( $.isArray( input ) ) {
+			for ( var i=0, ien=input.length ; i<ien ; i++ ) {
+				process( input[i] );
+			}
+			return;
+		}
+
+		if ( typeof input === 'string' ) {
+			if ( input.indexOf( ',' ) !== -1 ) {
+				// String selector, list of names
+				process( input.split(',') );
+			}
+			else {
+				// String selector individual name
+				var idx = $.inArray( $.trim(input), names );
+
+				if ( idx !== -1 ) {
+					ret.push( buttons[ idx ].inst );
+				}
+			}
+		}
+		else if ( typeof input === 'number' ) {
+			// Index selector
+			ret.push( buttons[ input ].inst );
+		}
+	};
+	
+	process( group );
+
+	return ret;
+};
+
+/**
+ * Button selector - select one or more buttons from a selector input so some
+ * operation can be performed on them.
+ * @param  {array} Button instances array that the selector should operate on
+ * @param  {string|int|node|jQuery|array} Button selector - see
+ *   `button-selector` documentation on the DataTables site
+ * @return {array} Array of objects containing `inst` and `idx` properties of
+ *   the selected buttons so you know which instance each button belongs to.
+ * @static
+ */
+Buttons.buttonSelector = function ( insts, selector )
+{
+	var ret = [];
+	var nodeBuilder = function ( a, buttons, baseIdx ) {
+		var button;
+		var idx;
+
+		for ( var i=0, ien=buttons.length ; i<ien ; i++ ) {
+			button = buttons[i];
+
+			if ( button ) {
+				idx = baseIdx !== undefined ?
+					baseIdx+i :
+					i+'';
+
+				a.push( {
+					node: button.node,
+					name: button.conf.name,
+					idx:  idx
+				} );
+
+				if ( button.buttons ) {
+					nodeBuilder( a, button.buttons, idx+'-' );
+				}
+			}
+		}
+	};
+
+	var run = function ( selector, inst ) {
+		var i, ien;
+		var buttons = [];
+		nodeBuilder( buttons, inst.s.buttons );
+
+		var nodes = $.map( buttons, function (v) {
+			return v.node;
+		} );
+
+		if ( $.isArray( selector ) || selector instanceof $ ) {
+			for ( i=0, ien=selector.length ; i<ien ; i++ ) {
+				run( selector[i], inst );
+			}
+			return;
+		}
+
+		if ( selector === null || selector === undefined || selector === '*' ) {
+			// Select all
+			for ( i=0, ien=buttons.length ; i<ien ; i++ ) {
+				ret.push( {
+					inst: inst,
+					node: buttons[i].node
+				} );
+			}
+		}
+		else if ( typeof selector === 'number' ) {
+			// Main button index selector
+			ret.push( {
+				inst: inst,
+				node: inst.s.buttons[ selector ].node
+			} );
+		}
+		else if ( typeof selector === 'string' ) {
+			if ( selector.indexOf( ',' ) !== -1 ) {
+				// Split
+				var a = selector.split(',');
+
+				for ( i=0, ien=a.length ; i<ien ; i++ ) {
+					run( $.trim(a[i]), inst );
+				}
+			}
+			else if ( selector.match( /^\d+(\-\d+)*$/ ) ) {
+				// Sub-button index selector
+				var indexes = $.map( buttons, function (v) {
+					return v.idx;
+				} );
+
+				ret.push( {
+					inst: inst,
+					node: buttons[ $.inArray( selector, indexes ) ].node
+				} );
+			}
+			else if ( selector.indexOf( ':name' ) !== -1 ) {
+				// Button name selector
+				var name = selector.replace( ':name', '' );
+
+				for ( i=0, ien=buttons.length ; i<ien ; i++ ) {
+					if ( buttons[i].name === name ) {
+						ret.push( {
+							inst: inst,
+							node: buttons[i].node
+						} );
+					}
+				}
+			}
+			else {
+				// jQuery selector on the nodes
+				$( nodes ).filter( selector ).each( function () {
+					ret.push( {
+						inst: inst,
+						node: this
+					} );
+				} );
+			}
+		}
+		else if ( typeof selector === 'object' && selector.nodeName ) {
+			// Node selector
+			var idx = $.inArray( selector, nodes );
+
+			if ( idx !== -1 ) {
+				ret.push( {
+					inst: inst,
+					node: nodes[ idx ]
+				} );
+			}
+		}
+	};
+
+
+	for ( var i=0, ien=insts.length ; i<ien ; i++ ) {
+		var inst = insts[i];
+
+		run( selector, inst );
+	}
+
+	return ret;
+};
+
+
+/**
+ * Buttons defaults. For full documentation, please refer to the docs/option
+ * directory or the DataTables site.
+ * @type {Object}
+ * @static
+ */
+Buttons.defaults = {
+	buttons: [ 'copy', 'excel', 'csv', 'pdf', 'print' ],
+	name: 'main',
+	tabIndex: 0,
+	dom: {
+		container: {
+			tag: 'div',
+			className: 'dt-buttons'
+		},
+		collection: {
+			tag: 'div',
+			className: 'dt-button-collection'
+		},
+		button: {
+			tag: 'a',
+			className: 'dt-button',
+			active: 'active',
+			disabled: 'disabled'
+		},
+		buttonLiner: {
+			tag: 'span',
+			className: ''
+		}
+	}
+};
+
+/**
+ * Version information
+ * @type {string}
+ * @static
+ */
+Buttons.version = '1.2.3';
+
+
+$.extend( _dtButtons, {
+	collection: {
+		text: function ( dt ) {
+			return dt.i18n( 'buttons.collection', 'Collection' );
+		},
+		className: 'buttons-collection',
+		action: function ( e, dt, button, config ) {
+			var host = button;
+			var hostOffset = host.offset();
+			var tableContainer = $( dt.table().container() );
+			var multiLevel = false;
+
+			// Remove any old collection
+			if ( $('div.dt-button-background').length ) {
+				multiLevel = $('.dt-button-collection').offset();
+				$('body').trigger( 'click.dtb-collection' );
+			}
+
+			config._collection
+				.addClass( config.collectionLayout )
+				.css( 'display', 'none' )
+				.appendTo( 'body' )
+				.fadeIn( config.fade );
+
+			var position = config._collection.css( 'position' );
+
+			if ( multiLevel && position === 'absolute' ) {
+				config._collection.css( {
+					top: multiLevel.top,
+					left: multiLevel.left
+				} );
+			}
+			else if ( position === 'absolute' ) {
+				config._collection.css( {
+					top: hostOffset.top + host.outerHeight(),
+					left: hostOffset.left
+				} );
+
+				var listRight = hostOffset.left + config._collection.outerWidth();
+				var tableRight = tableContainer.offset().left + tableContainer.width();
+				if ( listRight > tableRight ) {
+					config._collection.css( 'left', hostOffset.left - ( listRight - tableRight ) );
+				}
+			}
+			else {
+				// Fix position - centre on screen
+				var top = config._collection.height() / 2;
+				if ( top > $(window).height() / 2 ) {
+					top = $(window).height() / 2;
+				}
+
+				config._collection.css( 'marginTop', top*-1 );
+			}
+
+			if ( config.background ) {
+				Buttons.background( true, config.backgroundClassName, config.fade );
+			}
+
+			// Need to break the 'thread' for the collection button being
+			// activated by a click - it would also trigger this event
+			setTimeout( function () {
+				// This is bonkers, but if we don't have a click listener on the
+				// background element, iOS Safari will ignore the body click
+				// listener below. An empty function here is all that is
+				// required to make it work...
+				$('div.dt-button-background').on( 'click.dtb-collection', function () {} );
+
+				$('body').on( 'click.dtb-collection', function (e) {
+					// andSelf is deprecated in jQ1.8, but we want 1.7 compat
+					var back = $.fn.addBack ? 'addBack' : 'andSelf';
+
+					if ( ! $(e.target).parents()[back]().filter( config._collection ).length ) {
+						config._collection
+							.fadeOut( config.fade, function () {
+								config._collection.detach();
+							} );
+
+						$('div.dt-button-background').off( 'click.dtb-collection' );
+						Buttons.background( false, config.backgroundClassName, config.fade );
+
+						$('body').off( 'click.dtb-collection' );
+						dt.off( 'buttons-action.b-internal' );
+					}
+				} );
+			}, 10 );
+
+			if ( config.autoClose ) {
+				dt.on( 'buttons-action.b-internal', function () {
+					$('div.dt-button-background').click();
+				} );
+			}
+		},
+		background: true,
+		collectionLayout: '',
+		backgroundClassName: 'dt-button-background',
+		autoClose: false,
+		fade: 400
+	},
+	copy: function ( dt, conf ) {
+		if ( _dtButtons.copyHtml5 ) {
+			return 'copyHtml5';
+		}
+		if ( _dtButtons.copyFlash && _dtButtons.copyFlash.available( dt, conf ) ) {
+			return 'copyFlash';
+		}
+	},
+	csv: function ( dt, conf ) {
+		// Common option that will use the HTML5 or Flash export buttons
+		if ( _dtButtons.csvHtml5 && _dtButtons.csvHtml5.available( dt, conf ) ) {
+			return 'csvHtml5';
+		}
+		if ( _dtButtons.csvFlash && _dtButtons.csvFlash.available( dt, conf ) ) {
+			return 'csvFlash';
+		}
+	},
+	excel: function ( dt, conf ) {
+		// Common option that will use the HTML5 or Flash export buttons
+		if ( _dtButtons.excelHtml5 && _dtButtons.excelHtml5.available( dt, conf ) ) {
+			return 'excelHtml5';
+		}
+		if ( _dtButtons.excelFlash && _dtButtons.excelFlash.available( dt, conf ) ) {
+			return 'excelFlash';
+		}
+	},
+	pdf: function ( dt, conf ) {
+		// Common option that will use the HTML5 or Flash export buttons
+		if ( _dtButtons.pdfHtml5 && _dtButtons.pdfHtml5.available( dt, conf ) ) {
+			return 'pdfHtml5';
+		}
+		if ( _dtButtons.pdfFlash && _dtButtons.pdfFlash.available( dt, conf ) ) {
+			return 'pdfFlash';
+		}
+	},
+	pageLength: function ( dt ) {
+		var lengthMenu = dt.settings()[0].aLengthMenu;
+		var vals = $.isArray( lengthMenu[0] ) ? lengthMenu[0] : lengthMenu;
+		var lang = $.isArray( lengthMenu[0] ) ? lengthMenu[1] : lengthMenu;
+		var text = function ( dt ) {
+			return dt.i18n( 'buttons.pageLength', {
+				"-1": 'Show all rows',
+				_:    'Show %d rows'
+			}, dt.page.len() );
+		};
+
+		return {
+			extend: 'collection',
+			text: text,
+			className: 'buttons-page-length',
+			autoClose: true,
+			buttons: $.map( vals, function ( val, i ) {
+				return {
+					text: lang[i],
+					className: 'button-page-length',
+					action: function ( e, dt ) {
+						dt.page.len( val ).draw();
+					},
+					init: function ( dt, node, conf ) {
+						var that = this;
+						var fn = function () {
+							that.active( dt.page.len() === val );
+						};
+
+						dt.on( 'length.dt'+conf.namespace, fn );
+						fn();
+					},
+					destroy: function ( dt, node, conf ) {
+						dt.off( 'length.dt'+conf.namespace );
+					}
+				};
+			} ),
+			init: function ( dt, node, conf ) {
+				var that = this;
+				dt.on( 'length.dt'+conf.namespace, function () {
+					that.text( text( dt ) );
+				} );
+			},
+			destroy: function ( dt, node, conf ) {
+				dt.off( 'length.dt'+conf.namespace );
+			}
+		};
+	}
+} );
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * DataTables API
+ *
+ * For complete documentation, please refer to the docs/api directory or the
+ * DataTables site
+ */
+
+// Buttons group and individual button selector
+DataTable.Api.register( 'buttons()', function ( group, selector ) {
+	// Argument shifting
+	if ( selector === undefined ) {
+		selector = group;
+		group = undefined;
+	}
+
+	this.selector.buttonGroup = group;
+
+	var res = this.iterator( true, 'table', function ( ctx ) {
+		if ( ctx._buttons ) {
+			return Buttons.buttonSelector(
+				Buttons.instanceSelector( group, ctx._buttons ),
+				selector
+			);
+		}
+	}, true );
+
+	res._groupSelector = group;
+	return res;
+} );
+
+// Individual button selector
+DataTable.Api.register( 'button()', function ( group, selector ) {
+	// just run buttons() and truncate
+	var buttons = this.buttons( group, selector );
+
+	if ( buttons.length > 1 ) {
+		buttons.splice( 1, buttons.length );
+	}
+
+	return buttons;
+} );
+
+// Active buttons
+DataTable.Api.registerPlural( 'buttons().active()', 'button().active()', function ( flag ) {
+	if ( flag === undefined ) {
+		return this.map( function ( set ) {
+			return set.inst.active( set.node );
+		} );
+	}
+
+	return this.each( function ( set ) {
+		set.inst.active( set.node, flag );
+	} );
+} );
+
+// Get / set button action
+DataTable.Api.registerPlural( 'buttons().action()', 'button().action()', function ( action ) {
+	if ( action === undefined ) {
+		return this.map( function ( set ) {
+			return set.inst.action( set.node );
+		} );
+	}
+
+	return this.each( function ( set ) {
+		set.inst.action( set.node, action );
+	} );
+} );
+
+// Enable / disable buttons
+DataTable.Api.register( ['buttons().enable()', 'button().enable()'], function ( flag ) {
+	return this.each( function ( set ) {
+		set.inst.enable( set.node, flag );
+	} );
+} );
+
+// Disable buttons
+DataTable.Api.register( ['buttons().disable()', 'button().disable()'], function () {
+	return this.each( function ( set ) {
+		set.inst.disable( set.node );
+	} );
+} );
+
+// Get button nodes
+DataTable.Api.registerPlural( 'buttons().nodes()', 'button().node()', function () {
+	var jq = $();
+
+	// jQuery will automatically reduce duplicates to a single entry
+	$( this.each( function ( set ) {
+		jq = jq.add( set.inst.node( set.node ) );
+	} ) );
+
+	return jq;
+} );
+
+// Get / set button text (i.e. the button labels)
+DataTable.Api.registerPlural( 'buttons().text()', 'button().text()', function ( label ) {
+	if ( label === undefined ) {
+		return this.map( function ( set ) {
+			return set.inst.text( set.node );
+		} );
+	}
+
+	return this.each( function ( set ) {
+		set.inst.text( set.node, label );
+	} );
+} );
+
+// Trigger a button's action
+DataTable.Api.registerPlural( 'buttons().trigger()', 'button().trigger()', function () {
+	return this.each( function ( set ) {
+		set.inst.node( set.node ).trigger( 'click' );
+	} );
+} );
+
+// Get the container elements
+DataTable.Api.registerPlural( 'buttons().containers()', 'buttons().container()', function () {
+	var jq = $();
+	var groupSelector = this._groupSelector;
+
+	// We need to use the group selector directly, since if there are no buttons
+	// the result set will be empty
+	this.iterator( true, 'table', function ( ctx ) {
+		if ( ctx._buttons ) {
+			var insts = Buttons.instanceSelector( groupSelector, ctx._buttons );
+
+			for ( var i=0, ien=insts.length ; i<ien ; i++ ) {
+				jq = jq.add( insts[i].container() );
+			}
+		}
+	} );
+
+	return jq;
+} );
+
+// Add a new button
+DataTable.Api.register( 'button().add()', function ( idx, conf ) {
+	var ctx = this.context;
+
+	// Don't use `this` as it could be empty - select the instances directly
+	if ( ctx.length ) {
+		var inst = Buttons.instanceSelector( this._groupSelector, ctx[0]._buttons );
+
+		if ( inst.length ) {
+			inst[0].add( conf, idx );
+		}
+	}
+
+	return this.button( this._groupSelector, idx );
+} );
+
+// Destroy the button sets selected
+DataTable.Api.register( 'buttons().destroy()', function () {
+	this.pluck( 'inst' ).unique().each( function ( inst ) {
+		inst.destroy();
+	} );
+
+	return this;
+} );
+
+// Remove a button
+DataTable.Api.registerPlural( 'buttons().remove()', 'buttons().remove()', function () {
+	this.each( function ( set ) {
+		set.inst.remove( set.node );
+	} );
+
+	return this;
+} );
+
+// Information box that can be used by buttons
+var _infoTimer;
+DataTable.Api.register( 'buttons.info()', function ( title, message, time ) {
+	var that = this;
+
+	if ( title === false ) {
+		$('#datatables_buttons_info').fadeOut( function () {
+			$(this).remove();
+		} );
+		clearTimeout( _infoTimer );
+		_infoTimer = null;
+
+		return this;
+	}
+
+	if ( _infoTimer ) {
+		clearTimeout( _infoTimer );
+	}
+
+	if ( $('#datatables_buttons_info').length ) {
+		$('#datatables_buttons_info').remove();
+	}
+
+	title = title ? '<h2>'+title+'</h2>' : '';
+
+	$('<div id="datatables_buttons_info" class="dt-button-info"/>')
+		.html( title )
+		.append( $('<div/>')[ typeof message === 'string' ? 'html' : 'append' ]( message ) )
+		.css( 'display', 'none' )
+		.appendTo( 'body' )
+		.fadeIn();
+
+	if ( time !== undefined && time !== 0 ) {
+		_infoTimer = setTimeout( function () {
+			that.buttons.info( false );
+		}, time );
+	}
+
+	return this;
+} );
+
+// Get data from the table for export - this is common to a number of plug-in
+// buttons so it is included in the Buttons core library
+DataTable.Api.register( 'buttons.exportData()', function ( options ) {
+	if ( this.context.length ) {
+		return _exportData( new DataTable.Api( this.context[0] ), options );
+	}
+} );
+
+
+var _exportTextarea = $('<textarea/>')[0];
+var _exportData = function ( dt, inOpts )
+{
+	var config = $.extend( true, {}, {
+		rows:           null,
+		columns:        '',
+		modifier:       {
+			search: 'applied',
+			order:  'applied'
+		},
+		orthogonal:     'display',
+		stripHtml:      true,
+		stripNewlines:  true,
+		decodeEntities: true,
+		trim:           true,
+		format:         {
+			header: function ( d ) {
+				return strip( d );
+			},
+			footer: function ( d ) {
+				return strip( d );
+			},
+			body: function ( d ) {
+				return strip( d );
+			}
+		}
+	}, inOpts );
+
+	var strip = function ( str ) {
+		if ( typeof str !== 'string' ) {
+			return str;
+		}
+
+		if ( config.stripHtml ) {
+			str = str.replace( /<[^>]*>/g, '' );
+		}
+
+		if ( config.trim ) {
+			str = str.replace( /^\s+|\s+$/g, '' );
+		}
+
+		if ( config.stripNewlines ) {
+			str = str.replace( /\n/g, ' ' );
+		}
+
+		if ( config.decodeEntities ) {
+			_exportTextarea.innerHTML = str;
+			str = _exportTextarea.value;
+		}
+
+		return str;
+	};
+
+
+	var header = dt.columns( config.columns ).indexes().map( function (idx) {
+		var el = dt.column( idx ).header();
+		return config.format.header( el.innerHTML, idx, el );
+	} ).toArray();
+
+	var footer = dt.table().footer() ?
+		dt.columns( config.columns ).indexes().map( function (idx) {
+			var el = dt.column( idx ).footer();
+			return config.format.footer( el ? el.innerHTML : '', idx, el );
+		} ).toArray() :
+		null;
+
+	var selectedCells = dt.cells( config.rows, config.columns, config.modifier );
+	var cells = selectedCells
+		.render( config.orthogonal )
+		.toArray();
+	var cellNodes = selectedCells
+		.nodes()
+		.toArray();
+
+	var columns = header.length;
+	var rows = columns > 0 ? cells.length / columns : 0;
+	var body = new Array( rows );
+	var cellCounter = 0;
+
+	for ( var i=0, ien=rows ; i<ien ; i++ ) {
+		var row = new Array( columns );
+
+		for ( var j=0 ; j<columns ; j++ ) {
+			row[j] = config.format.body( cells[ cellCounter ], i, j, cellNodes[ cellCounter ] );
+			cellCounter++;
+		}
+
+		body[i] = row;
+	}
+
+	return {
+		header: header,
+		footer: footer,
+		body:   body
+	};
+};
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * DataTables interface
+ */
+
+// Attach to DataTables objects for global access
+$.fn.dataTable.Buttons = Buttons;
+$.fn.DataTable.Buttons = Buttons;
+
+
+
+// DataTables creation - check if the buttons have been defined for this table,
+// they will have been if the `B` option was used in `dom`, otherwise we should
+// create the buttons instance here so they can be inserted into the document
+// using the API. Listen for `init` for compatibility with pre 1.10.10, but to
+// be removed in future.
+$(document).on( 'init.dt plugin-init.dt', function (e, settings) {
+	if ( e.namespace !== 'dt' ) {
+		return;
+	}
+
+	var opts = settings.oInit.buttons || DataTable.defaults.buttons;
+
+	if ( opts && ! settings._buttons ) {
+		new Buttons( settings, opts ).container();
+	}
+} );
+
+// DataTables `dom` feature option
+DataTable.ext.feature.push( {
+	fnInit: function( settings ) {
+		var api = new DataTable.Api( settings );
+		var opts = api.init().buttons || DataTable.defaults.buttons;
+
+		return new Buttons( api, opts ).container();
+	},
+	cFeature: "B"
+} );
+
+
+return Buttons;
+}));
@@ -23,8 +23,26 @@ function getAnswered() {
                 // 	return false;
                 // });
                 $('#answered_table').DataTable({
-                    "dom": "frtip",
-                    "language": dataTablei18n
+                    "dom": "Bfrtip",
+                    "language": dataTablei18n,
+                    buttons: {
+                        dom: {
+                            container: {
+                                className: 'col-md-3'
+                            },
+                            buttonContainer: {
+                                tag: 'h4',
+                                className: 'history-header'
+                            },
+                        },
+                        buttons: [
+                            {
+                                extend: 'csv',
+                                text: csvBtnLabeli18n,
+                                filename: 'report-answered'
+                            }
+                        ]
+                    }
                 });
                 // var items = $("#answered_table").children(":visible").length;
@@ -2,9 +2,6 @@
 <div class="row">
 	<div class="col-md-12">
-		<div class="col-md-3">
-			<h4 class="history-header"><a href="#"><i class="fa fa-download"></i> {% trans 'Download .csv file' %}</a></h4>
-		</div>
 		<table id="answered_table" class="table table-striped table-bordered">
 			<thead>
 				<th>
@@ -6,12 +6,15 @@
 {% block style %}
 	{{block.super}}
 	<link rel="stylesheet" type="text/css" href="{% static 'css/dataTables.bootstrap.css' %}">
+	<link rel="stylesheet" type="text/css" href="{% static 'css/dataTables.buttons.bootstrap.css' %}">
 {% endblock %}
 {% block javascript%}
 	{{ block.super }}
 	<script type="text/javascript" src="{% static 'js/jquery.dataTables.js' %} "></script>
+	<script type="text/javascript" src="{% static 'js/dataTables.buttons.js' %} "></script>
 	<script type="text/javascript" src="{% static 'js/dataTables.bootstrap.js' %} "></script>
+	<script type="text/javascript" src="{% static 'js/dataTables.buttons.html5.js' %} "></script>
 {% endblock%}
 {% block breadcrumbs %}
@@ -90,7 +93,9 @@
 		            "sortAscending":  "{% trans ': activate to sort column ascending' %}",
 		            "sortDescending": "{% trans ': activate to sort column descending' %}"
 		        }
-		    }
+		    };
+
+		    var csvBtnLabeli18n = "<i class='fa fa-download'></i> {% trans 'Download .csv file' %}";
 		</script>
 		<script type="text/javascript" src="{% static 'js/goals_reports.js' %}"></script>
 {% endblock %}
 \ No newline at end of file
@@ -0,0 +1,102 @@		@@ -0,0 +1,102 @@
	1	+div.dt-button-info {
	2	+ position: fixed;
	3	+ top: 50%;
	4	+ left: 50%;
	5	+ width: 400px;
	6	+ margin-top: -100px;
	7	+ margin-left: -200px;
	8	+ background-color: white;
	9	+ border: 2px solid #111;
	10	+ box-shadow: 3px 3px 8px rgba(0, 0, 0, 0.3);
	11	+ border-radius: 3px;
	12	+ text-align: center;
	13	+ z-index: 21;
	14	+}
	15	+div.dt-button-info h2 {
	16	+ padding: 0.5em;
	17	+ margin: 0;
	18	+ font-weight: normal;
	19	+ border-bottom: 1px solid #ddd;
	20	+ background-color: #f3f3f3;
	21	+}
	22	+div.dt-button-info > div {
	23	+ padding: 1em;
	24	+}
	25	+
	26	+ul.dt-button-collection.dropdown-menu {
	27	+ display: block;
	28	+ z-index: 2002;
	29	+ -webkit-column-gap: 8px;
	30	+ -moz-column-gap: 8px;
	31	+ -ms-column-gap: 8px;
	32	+ -o-column-gap: 8px;
	33	+ column-gap: 8px;
	34	+}
	35	+ul.dt-button-collection.dropdown-menu.fixed {
	36	+ position: fixed;
	37	+ top: 50%;
	38	+ left: 50%;
	39	+ margin-left: -75px;
	40	+ border-radius: 0;
	41	+}
	42	+ul.dt-button-collection.dropdown-menu.fixed.two-column {
	43	+ margin-left: -150px;
	44	+}
	45	+ul.dt-button-collection.dropdown-menu.fixed.three-column {
	46	+ margin-left: -225px;
	47	+}
	48	+ul.dt-button-collection.dropdown-menu.fixed.four-column {
	49	+ margin-left: -300px;
	50	+}
	51	+ul.dt-button-collection.dropdown-menu > * {
	52	+ -webkit-column-break-inside: avoid;
	53	+ break-inside: avoid;
	54	+}
	55	+ul.dt-button-collection.dropdown-menu.two-column {
	56	+ width: 300px;
	57	+ padding-bottom: 1px;
	58	+ -webkit-column-count: 2;
	59	+ -moz-column-count: 2;
	60	+ -ms-column-count: 2;
	61	+ -o-column-count: 2;
	62	+ column-count: 2;
	63	+}
	64	+ul.dt-button-collection.dropdown-menu.three-column {
	65	+ width: 450px;
	66	+ padding-bottom: 1px;
	67	+ -webkit-column-count: 3;
	68	+ -moz-column-count: 3;
	69	+ -ms-column-count: 3;
	70	+ -o-column-count: 3;
	71	+ column-count: 3;
	72	+}
	73	+ul.dt-button-collection.dropdown-menu.four-column {
	74	+ width: 600px;
	75	+ padding-bottom: 1px;
	76	+ -webkit-column-count: 4;
	77	+ -moz-column-count: 4;
	78	+ -ms-column-count: 4;
	79	+ -o-column-count: 4;
	80	+ column-count: 4;
	81	+}
	82	+
	83	+div.dt-button-background {
	84	+ position: fixed;
	85	+ top: 0;
	86	+ left: 0;
	87	+ width: 100%;
	88	+ height: 100%;
	89	+ z-index: 2001;
	90	+}
	91	+
	92	+@media screen and (max-width: 767px) {
	93	+ div.dt-buttons {
	94	+ float: none;
	95	+ width: 100%;
	96	+ text-align: center;
	97	+ margin-bottom: 0.5em;
	98	+ }
	99	+ div.dt-buttons a.btn {
	100	+ float: none;
	101	+ }
	102	+}
	@@ -23,8 +23,26 @@ function getAnswered() {		@@ -23,8 +23,26 @@ function getAnswered() {
23	// return false;	23	// return false;
24	// });	24	// });
25	$('#answered_table').DataTable({	25	$('#answered_table').DataTable({
26	- "dom": "frtip",
27	- "language": dataTablei18n	26	+ "dom": "Bfrtip",
		27	+ "language": dataTablei18n,
		28	+ buttons: {
		29	+ dom: {
		30	+ container: {
		31	+ className: 'col-md-3'
		32	+ },
		33	+ buttonContainer: {
		34	+ tag: 'h4',
		35	+ className: 'history-header'
		36	+ },
		37	+ },
		38	+ buttons: [
		39	+ {
		40	+ extend: 'csv',
		41	+ text: csvBtnLabeli18n,
		42	+ filename: 'report-answered'
		43	+ }
		44	+ ]
		45	+ }
28	});	46	});
29	// var items = $("#answered_table").children(":visible").length;	47	// var items = $("#answered_table").children(":visible").length;
30		48