diff --git a/js/utils.js b/js/utils.js
index 2094fbb..75deebc 100644
--- a/js/utils.js
+++ b/js/utils.js
@@ -50,6 +50,28 @@ Clausola
 	= cla:("Clausola"Integer)(_)? {return '"'+cla[0]+cla[1]+'"';}
 
 
+Integer "integer"
+  = _ [0-9]+ { return parseInt(text(), 10); }
+
+_ "whitespace"= " "*
+
+`
+var hdnquerygrammartest=`
+Expression 
+	= head:((_)?"("(_)?("AND "/"OR ") Filtro+ (_)?(")")?){return '{"'+head[3]+'": ['+head[4]+"]}"}//{ return head}.join("").replaceAll(", ,","").replaceAll("(,","(").replaceAll(",("," (")}
+	/ resu:Filtro {return resu[1].split().join()+' ';}
+Filtro
+	= (_)"("?head:(("AND "/"OR "))? tail:Clausola+ (_)? closecl:(")")?
+    			
+    		{if (head != null) return ' {"'+head+'":['+tail+"]}";
+            else if (tail!=null & tail.length <2) return ' '+tail+''
+            	  else return ""+tail+"";}
+			/ cl:Clausola 
+
+Clausola
+	= cla:("Clausola"Integer)(_)? {return ' {"TERM": "'+cla[0]+cla[1]+'"}';}
+
+
 Integer "integer"
   = _ [0-9]+ { return parseInt(text(), 10); }
 
@@ -182,8 +204,27 @@ function parseClause(op, tokens){
 		}
 	}	
 			
-	
-	
+}
+
+function parseJsonClause(op, tokens, nowhere){
+	alert (op)
+	if (op.trim()=='OR'){
+		//multipleCondSpQuery.where.push(JSON.parse(unionop)['union']);
+		nowhere.push(JSON.parse(unionop)['union']);	
+	}
+	if (op.trim()=='AND'){
+		nowhere.push(JSON.parse(unionop)['group']);
+	}	
+	for (var mtoken in tokens){
+			te_op=tokens[mtoken]
+			if ('TERM' in te_op){
+				cond=theguiQ[te_op['TERM']]
+				multipleCondSpQuery=buildClause(cond, multipleCondSpQuery, -1)
+			}
+			if('OR ' in te_op){
+				parseJsonClause('OR', te_op['OR '], nowhere)
+			}
+		}
 	
 }
 
@@ -194,7 +235,7 @@ function buildSPQuery(guiquery){
 	var spqparser = new SparqlParser();
 	multipleCondSpQuery=spqparser.parse(ontoSparqlQuery);
 	mytestq=spqparser.parse(tq);
-	var parser = peg.generate(hdnquerygrammar);
+	var parser = peg.generate(hdnquerygrammartest);
 	test=guiquery['EsprLogica'].join(" ");
 	test=test.replaceAll("( ","(")
 	test=test.replaceAll(" )",")")
@@ -202,7 +243,7 @@ function buildSPQuery(guiquery){
 	jsonclauses=JSON.parse(clauses)
 	
 	for (const ck of Object.keys(jsonclauses)){
-		parseClause(ck, jsonclauses[ck])
+		parseJsonClause(ck, jsonclauses[ck], multipleCondSpQuery.where)
 	}