+
+ if ( form.pkgpart.options[form.pkgpart.selectedIndex].getAttribute('data-can_start_date') == 1 ) {
+ form.start_date_text.disabled = false;
+ form.start_date.style.backgroundColor = '#ffffff';
+ form.start_date_button.style.display = '';
+ form.start_date_button_disabled.style.display = 'none';
+ form.invoice_terms.disabled = true;
+ } else {
+ form.start_date_text.disabled = true;
+ form.start_date.style.backgroundColor = '#dddddd';
+ form.start_date_button.style.display = 'none';
+ form.start_date_button_disabled.style.display = '';
+ }
+