diff --git a/js/browseMgr.js b/js/browseMgr.js
index f40d075..2cdd7ed 100644
--- a/js/browseMgr.js
+++ b/js/browseMgr.js
@@ -1831,10 +1831,22 @@ function emphResults(){
 
 	//execute query
 	async function executeQuerySearch(query) {
-		seachbBindingsStream = await myEngine.queryBindings(query, { sources: [{ type: 'sparql', value: sparqlEndpoint },], });
-		//console.log(query)
+		
+		
 		alert(query)
-		//$("#loader").fadeIn(300);
+		$("#loader").fadeIn(300);
+		//$("#searchcomm2").prop("disabled", true);
+		//$("#searchcomm2").html('<span class="spinner-grow spinner-grow-sm" role="status" aria-hidden="true"></span> Searching...');
+		try {
+			seachbBindingsStream = await myEngine.queryBindings(query, { sources: [{ type: 'sparql', value: sparqlEndpoint },], });
+			}
+		catch (err) {
+			$("#loader").fadeOut(300);
+			//$("#searchcomm2").prop("disabled", false);
+			//$("#searchcomm2").html('<span class="" role="status" aria-hidden="true"></span> Search');
+			console.log(err.message);	
+		};
+		
 		try {
 			var result = new Set()
 			var resultClauses = new Set()
@@ -1884,6 +1896,9 @@ function emphResults(){
 					resultsInCantica.push(cantica);
 					resultsInCanto.push(cantica + canto)
 				}
+				if(unitaRicerca!='frase' && pos==-1){
+					unitaRicerca='frase'
+				}
 				resultClauses.add(sentenceid + "-" +clfrom+'-'+clto+"-"+clfunction.trim().replace('ordinateClause','').replace('MainClause', 'Ma')+'-'+cantica+'-'+canto+'-'+clocc)
 				resultSentences.add(sentenceid)
 	
@@ -1991,7 +2006,9 @@ function emphResults(){
 				console.log('badge end...')
 				//calcolo numero dei contesti
 				countResultContexts()
-				//$("#loader").fadeOut(300);
+				$("#loader").fadeOut(300);
+				//$("#searchcomm2").prop("disabled", false);
+				//$("#searchcomm2").html('<span class="" role="status" aria-hidden="true"></span> Search');
 
 			});
 			queryExecuted = true;
@@ -2001,6 +2018,8 @@ function emphResults(){
 		}
 		catch (err) {
 			//$("#loader").fadeOut(300);
+			$("#searchcomm2").prop("disabled", false);
+			$("#searchcomm2").html('<span class="" role="status" aria-hidden="true"></span> Search');
 			console.log(err.message);
 			
 		};
diff --git a/js/utils.js b/js/utils.js
index 3fcd437..57fdcf3 100644
--- a/js/utils.js
+++ b/js/utils.js
@@ -127,9 +127,10 @@ WHERE {
   
   ?frag olires:fragmentRegionFrom ?clfr ;
         olires:fragmentRegionTo ?clto .
-  ?frag olires:fragmentRegionFrom ?pos.
+  #?frag olires:fragmentRegionFrom ?pos.
   }
   ###condizioni sintattiche end
+  BIND(COALESCE(?pos1,-1) AS ?pos)
  }`
 
 
@@ -1660,7 +1661,7 @@ var morphgroup = `{"type": "group",
 				                     "object": {"termType": "Variable", "value": "reg"}},
 				                    {"subject": {"termType": "Variable","value": "reg"},
 				                     "predicate": {"termType": "NamedNode","value": "https://dantenetwork.it/ontology/olires/current/fragmentRegionFrom"},
-				                     "object": {"termType": "Variable","value": "pos"}}
+				                     "object": {"termType": "Variable","value": "pos1"}}
 				                    ]
 				            }
         				]