Fix a bug where the 008 field got replaced if you

inadvertantly clicked in the field and it wasn't empty.
This patch prevents the field from being replaced unless
it's empty.

diff --git a/cataloguing/value_builder/marc21_field_008.pl b/cataloguing/value_builder/marc21_field_008.pl
index 8c26acc..c060377 100755 (executable)
--- a/cataloguing/value_builder/marc21_field_008.pl
+++ b/cataloguing/value_builder/marc21_field_008.pl
@@ -51,7 +51,12 @@ sub plugin_javascript {
 //<![CDATA[
 
 function Focus$function_name(subfield_managed) {
-    document.getElementById(\"$field_number\").value='$dateentered' + 't        xxu||||| |||| 00| 0 eng d';
+
+       if ( document.getElementById(\"$field_number\").value ) {
+       }
+       else {
+               document.getElementById(\"$field_number\").value='$dateentered' + 't        xxu||||| |||| 00| 0 eng d';
+       }
     return 1;
 }