Yii CCheckBoxColumn call js function?

Question

JavaScript

how to call js function on click on checkbox?

$myarray[] = array(
            'name' => 'active',
            'class' => 'CCheckBoxColumn',
            'checked' => '0',
            'value' => '$data->id',
            'header' => $c,
            //'checkBoxHtmlOptions' => array('onclick' => '$.get(\'/admin/page/active/id/\'+this.value+\'/e/\'+(this.checked?1:0),\'\',function(data){} );')
            'checkBoxHtmlOptions' => array('onclick' => 'write()'),
           /*'onchange' =>  'javascript:'
                    . 'if(this.checked)'
                    . ' document.getElementById("elem[$i][$c]").value= new Date().toLocaleDateString() +" "+ new Date().toLocaleTimeString(); '
                    . 'else document.getElementById("Engine_recovered").value="";'*/
        );

onchange says don't know. how to work with option? And how to determine whether it is pressed or not?