// $o = datesel($f,mktime(0,0,0,0,0,1900),mktime(),mktime(0,0,0,$month,$day,$year),'dob');
// else
// $o = datesel($f,mktime(0,0,0,0,0,1900),mktime(),false,'dob');
// $o = datesel($f,mktime(0,0,0,0,0,1900),mktime(),mktime(0,0,0,$month,$day,$year),'dob');
// else
// $o = datesel($f,mktime(0,0,0,0,0,1900),mktime(),false,'dob');