final String username = getFieldValue("username").toLowerCase();
final String pass = getFieldValue("pass");
if(isAnyEmptyField(username,pass))
message.setContents("Please do not leave any field empty!");
else
systemcall.createuser(username.toLowerCase(), pass, new AsyncCallback<Boolean>(){
public void onSuccess(Boolean success)
{
Log.debug("Success : " + success);
if(!success)
{