Index: branches/5.1.x/core/admin_templates/js/script.js
===================================================================
diff -u -N -r12657 -r13390
--- branches/5.1.x/core/admin_templates/js/script.js	(.../script.js)	(revision 12657)
+++ branches/5.1.x/core/admin_templates/js/script.js	(.../script.js)	(revision 13390)
@@ -1779,6 +1779,13 @@
 	return getFrame('main').TB.remove();
 }
 
+function get_control($mask, $field, $append, $prepend) {
+	$append = $append !== undefined ? '_' + $append : '';
+	$prepend = $prepend !== undefined ? $prepend + '_' : '';
+
+	return document.getElementById( $prepend + $mask.replace('#FIELD_NAME#', $field) + $append );
+}
+
 Array.prototype.each = function($callback) {
 	var $result = null;