form.start_date_text.value = opt.getAttribute('data-start_date');
if ( opt.getAttribute('data-can_start_date') == 1 ) {
date_text.style.backgroundColor = '#ffffff';
form.start_date_text.value = opt.getAttribute('data-start_date');
if ( opt.getAttribute('data-can_start_date') == 1 ) {
date_text.style.backgroundColor = '#ffffff';