Global.helma.Ftp.login (username, password)
Sourcecode in /home/hannes/helma/modules/helma/Ftp.js:
112:   this.login = function(username, password) {
113:         try {
114:            ftpclient.connect(this.server);
115:            var result = ftpclient.login(username, password);
116:            debug("login", username + "@" + server);
117:            return result;
118:         } catch(x) {
119:            error("login", x);
120:            setStatus(LOGIN);
121:        }
122:        return false;
123:     }