Added input argument passed to onchange event

index.html

@@ -17,7 +17,7 @@
 		<script type="text/javascript">
 			$(document).ready(function() {
 				$('#example1').multiselect({
-					onchange:function(){alert('change event invoked!');}
+					onchange:function(el, checked){alert('change event invoked!'); console.log(el, checked)}
 				});
 				$('#example2').multiselect();
 				$('#example3').multiselect({

js/bootstrap-multiselect.js

@@ -65,10 +65,12 @@
 				$(event.target).parents('li').removeClass('active');
 			}
 			
-			$('option[value="' + $(event.target).val() + '"]', this.select).attr('selected', checked);
+			var $option = $('option[value="' + $(event.target).val() + '"]', this.select);
+			$option.attr('selected', checked);
 			
 			$('button', this.container).html(this.options.text($('option:selected', this.select)) + ' <b class="caret"></b>');
-			this.options.onchange();
+			
+			this.options.onchange($option, checked);
 		}, this));
 		
 		$('ul li a', this.container).on('click', function(event) {