August 22, 2014 at 08:50 /
#12055
I would replace the hour selects with hidden fields and add another html select with the two options. Then you need a javascript that fills the two hidden fields whenever a option gets selected. The base functions for that are onchange=”function_to_write(this);” for the select and jQuery(‘#id-of-hidden-field).val(12); to set the value.
Regards