function advajax_replace_element_by_id(id,url) {
   
   advAJAX.setDefaultParameters({
      onInitialization : function(obj) { document.getElementById(obj.tag).innerHTML = ""; },
      onLoading : function(obj) { document.getElementById(obj.tag).innerHTML = ''; },
      onSuccess : function(obj) { document.getElementById(obj.tag).innerHTML = obj.responseText; },
      onError : function(obj) { document.getElementById(obj.tag).innerHTML = "Error..."; }
   });
       
   advAJAX.get({
      url : url,
      tag: id
   });
            
   
}