Event.observe(window, 'load', function() {
    $('hall_search_submit').style.display = "none";
	
	
	var criteria = $$('input[class="criteria_checkbox"]');
	
	for(x=0; x<criteria.length; x++){
		Event.observe(criteria[x], 'click', function(){					
        	new Ajax.Request("/hall_search/controller.php?", {
		            method: "post",
		            parameters: Form.serialize('criteria_form'),
					onSuccess: function(transport) {
					      $('halls_list').innerHTML = transport.responseText;
					}

		        });
    	});
	}
	
});