add: Effect.Fade(id); 
context: function hide_info(id) {  Effect.Fade(id);  var data = "id=" + id;  var url = "/common/hide_info";  var ajax_info = new Ajax.Request(url, {                           method: 'get',                           parameters: data,                           onComplete: info_is_hidden,                         });}
meta: 9508	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9508/c918cf478fb3b6a47cadfa4a13aaa8c8957b89b2/accountview.js/buggy/htdocs/js/accountview.js