Using Ajax On Checkbox List

I want to use AJAX on check box list , I am using the following code , but its not working

[color="#8B0000"] echo CHtml::checkBoxList(‘functions[]’,$selected_keys, $classification,array(‘template’=>’<div class=“checkbox”>{label}{input}</div><div id=“function_list” class=“sub-container”></div>’),

array(

	'ajax' =&gt; array(


			'type'=&gt;'POST',


			'url'=&gt;CController::createUrl('search/Getfunctionlist'),


			'success'=&gt;'js:function(data){&#036;(&quot;#function_id&quot;).html(data);


                            alert(data);

}’,

	))

);[/color]