--- a/jquery.lensy.js	Thu May 16 14:13:16 2013 +0900
+++ b/jquery.lensy.js	Sat Nov 16 22:57:57 2013 +0900
@@ -1,35 +1,35 @@
 (function($) {
     "use strict";
-    
+
     function Lensy(element, options) {
         this.$select = $(element);
         this.settings = $.extend({}, $.fn.lensy.defaults, options);
-        
+
         this.build();
         this.bindEvents();
     }
-    
+
     Lensy.prototype = {
         build: function() {
             this.$filter = $('<input>')
                 .attr('type', 'text')
                 .addClass(this.settings.filterClass);
-            
+
             this.$filterWrap = $('<div>')
                 .addClass(this.settings.filterWrapClass)
                 .append(this.$filter);
 
             this.$container = $('<ul>')
                 .addClass(this.settings.containerClass);
-            
+
             this.$closeButton = $('<a>')
                 .text(this.settings.closeButtonText)
                 .addClass(this.settings.closeButtonClass);
-            
+
             this.$widget = $('<ul>')
                 .addClass(this.settings.widgetClass)
                 .insertAfter(this.$select);
-            
+
             this.$modal = $('<div>')
                 .addClass(this.settings.modalClass)
                 .append(this.$filterWrap)
@@ -37,19 +37,19 @@
                 .append(this.$closeButton)
                 .appendTo('body')
                 .hide();
-            
+
             this.$select.hide();
         },
-        
+
         show: function() {
             this.$modal.show();
             this.$filter.focus();
         },
-        
+
         hide: function() {
             this.$modal.hide();
         },
-        
+
         createItem: function($option) {
             var value = $option.val();
             var text = $option.text();
@@ -61,7 +61,7 @@
                 .data('$option', $option)
                 .html(this.settings.itemFn(value, text, $option));
         },
-        
+
         createWidgetItem: function($item) {
             var value = $item.attr('data-original-value');
             var text = $item.attr('data-original-text');
@@ -71,10 +71,10 @@
                 .addClass(this.settings.itemClass)
                 .html((this.settings.widgetItemFn || this.settings.itemFn)(value, text, $option));
         },
-        
+
         filter: function() {
             var self = this;
-            
+
             this.$container.find('[data-original-value]').each(function() {
                 var $item = $(this);
                 var value = $item.attr('data-original-value');
@@ -86,49 +86,49 @@
                 }
             });
         },
-        
+
         update: function() {
             var self = this;
             var values = this.$select.val() || [];
-            
+
             this.$widget.empty();
             this.$container.find('[data-original-value]').each(function() {
                 var $item = $(this);
                 var value = $item.attr('data-original-value');
-                
+
                 if (values.indexOf(value) == -1) {
                     $item.removeClass(self.settings.itemActiveClass);
                 } else {
                     $item.addClass(self.settings.itemActiveClass);
-                    
+
                     var $widgetItem = self.createWidgetItem($item);
                     self.$widget.append($widgetItem);
                 }
             });
         },
-        
+
         bindEvents: function() {
             var self = this;
-            
+
             this.$widget.click($.proxy(this.show, this));
-            
+
             this.$closeButton.click($.proxy(this.hide, this));
-            
+
             // $item in $container gets clicked on
             var itemSelected = function() {
                 var $item = $(this);
                 var value = $item.attr('data-original-value');
                 var values = self.$select.val() || [];
-                
+
                 if (values.indexOf(value) == -1) {
                     self.$select.val(values.concat(value));
                 } else {
                     self.$select.val($.grep(values, function(v) { return v != value; }));
                 }
-                
+
                 self.$select.trigger('change');
             };
-            
+
             // $container is populated with $items
             this.$select.find('option').each(function() {
                 var $option = $(this);
@@ -136,14 +136,14 @@
                 $item.on('click', itemSelected);
                 self.$container.append($item);
             });
-            
+
             this.$select.on('change', $.proxy(this.update, this));
             this.update();
-            
+
             this.$filter.on('change keyup', $.proxy(this.filter, this));
         }
     };
-    
+
     $.fn.lensy = function(options) {
         return this.each(function() {
             if (!$.data(this, 'lensy')) {
@@ -151,7 +151,7 @@
             }
         });
     };
-    
+
     $.fn.lensy.defaults = {
         // escape action: close / clean filter
         containerClass: 'lensy-container',