function dynamiccheckbox_check(action,id)
    {
        var request = new Ajax.Request(
                        '/ajax/'+action,
                        {
                          method:       'get',
                          parameters:   'id='+id+'&flag='+document.getElementById(action+'_dynamiccheckbox_'+id).checked,
                          asynchronous: true
                        }
                      );

    }