window.addEvent('domready', function() { $$('.advInput').addEvent('click', function(e) { var id=this.get('value'); if($('advCategoriescontainer_'+id).get('html')=="" && this.checked==true) { loading_start(); var req = new Request({ method: 'post', url: '/ajax/advanced_search/categories/', data: {"cid":id}, onComplete: function(data) { loading_stop(); $('advCategoriescontainer_'+id).set('html',data); } }).send(); } if(this.checked==false) $('advCategoriescontainer_'+id).set('html',''); }); });