wf.showAlertOnError = false;
wf.functionName_formValidation = "myCustomValidation";
function myCustomValidation (evt) {
    if (wf.formValidation(evt)) new Ajax.Updater('comentarios', '../scripts/soporte.php?xml=true',{onLoading:function(request){item_loading()},onComplete:function(request){item_added()}, parameters:Form.serialize(document.forms[0]), insertion:Insertion.Bottom});
    return wf.utilities.XBrowserPreventEventDefault(evt);
}
function item_added() {
    new Effect.Fade('loadBar');
    Form.enable(document.forms[0]);
    new Effect.BlindUp('kForm');
    new Effect.Appear('status');
}
function item_loading() {
    new Effect.Fade('status');
    Form.disable(document.forms[0]);
    new Effect.Appear('loadBar');
}