function bEmailOK(str) {
  // Borrowed from some website.  What a timesaver!
  var objRegExp =  /^((?:(?:(?:(\w|~)[~\.\-\+]?)*)(\w|~))+)\@((?:(?:(?:\w[\.\-\+]?){0,62})\w)+)\.([a-zA-Z]{2,6})$/;
  return objRegExp.test(str);
  }