document.observe("dom:loaded",function(){$$('#services .ckbt-tser').each(function(item){item.observe('change',function(e){var c=0;Event.stop(e);var ele=Event.element(e);var classname='.ckb-'+ele.id;var is_check=(ele.checked);$$('#services '+classname).each(function(cf){cf.checked=!is_check?'':'checked';c++;});});});if($('service_26_158')){$('service_26_158').observe('click',function(){if($F('service_26_158'))$('ct-npersons').show();else $('ct-npersons').hide();});}});