url += (url.indexOf('?') != -1 ? '&' : '?') + p;
p = '';
}
+ Roo.lib.Ajax.useDefaultHeader == typeof(o.headers['Content-Type']) == 'undefined';
this.transId = Roo.lib.Ajax.request(method, url, cb, p, o);
+ Roo.lib.Ajax.useDefaultHeader == true;
return this.transId;
}else{
Roo.callback(o.callback, o.scope, [o, null, null]);