--- loncom/interface/lonparmset.pm	2001/03/23 23:04:32	1.26
+++ loncom/interface/lonparmset.pm	2001/03/24 15:36:47	1.27
@@ -436,6 +436,7 @@ sub handler {
             document.parmform.action+='#'+document.parmform.pres_marker.value;
             var typedef=new Array();
             typedef=document.parmform.pres_type.value.split('_');
+           if (document.parmform.pres_type.value!='') {
             if (typedef[0]=='date') {
                 eval('document.parmform.recent_'+
                      document.parmform.pres_type.value+
@@ -444,6 +445,7 @@ sub handler {
                 eval('document.parmform.recent_'+typedef[0]+
 		     '.value=document.parmform.pres_value.value;');
             }
+	   }
             document.parmform.submit();
         } else {
             document.parmform.pres_value.value='';