diff --git a/config/plugins.properties b/config/plugins.properties
index d8d1dd1..785bae1 100644
--- a/config/plugins.properties
+++ b/config/plugins.properties
@@ -1,4 +1,4 @@
-json-simple-1.1.1.jar=enabled
+json-simple-1.1.1.jar=disabled
 FilterTable.java=enabled
 Kollimators.java=enabled
 NewTest.java=enabled
diff --git a/plugins/NewTest.java b/plugins/NewTest.java
index b289a64..515cb80 100644
--- a/plugins/NewTest.java
+++ b/plugins/NewTest.java
@@ -40,8 +40,8 @@ import javax.naming.directory.SearchResult;
 import javax.naming.ldap.InitialLdapContext;
 import javax.naming.ldap.LdapContext;
 import javax.swing.table.DefaultTableModel;
-import org.json.simple.JSONArray;
-import org.json.simple.JSONObject;
+//import org.json.simple.JSONArray;
+//import org.json.simple.JSONObject;
 /**
  *
  * @author boccioli_m
@@ -60,9 +60,9 @@ public class NewTest extends javax.swing.JPanel {
     public static Path TEMPLATES_DEVICECONFIG_FILEPATH  = Paths.get(TESTS_ROOT_DIR, "templates","deviceTemplate.config");
     public static String TESTS_CONFIG_FILENAME = ".config";
     public static String TESTS_HELP_FILENAME = "help.html";
-    public static String ALLOWED_CHARSET1 = "[a-z A-Z 0-9 . _ \\- \\[\\] () : , < > =]*"; //les restricted set of chars
-    public static String ALLOWED_CHARSET2 = "[a-z A-Z 0-9 . _ \\- \\[\\] ()]*"; //more restricted set of chars
-    public static String ALLOWED_CHARSET3 = "[a-zA-Z0-9._\\-]*"; //even more restricted set of chars
+    public static String ALLOWED_CHARSET1 = "[a-z A-Z 0-9 . _ \\- \\[\\] () : , < > = \\$]*"; //les restricted set of chars
+    public static String ALLOWED_CHARSET2 = "[a-z A-Z 0-9 . _ \\- \\[\\] () : , \\$]*"; //more restricted set of chars
+    public static String ALLOWED_CHARSET3 = "[a-zA-Z0-9._\\-\\$,]*"; //even more restricted set of chars
    
     /**
      * enumeration of table column indexes
@@ -860,7 +860,7 @@ public class NewTest extends javax.swing.JPanel {
                     value = (String) attributes.get("value");
                     description = (String) attributes.get("description");
                     //build the python code for getting the test parameter
-                    sTestParameters = sTestParameters + name + ":" + value + ":" + description + ";" ; 
+                    sTestParameters = sTestParameters + name + "&" + value + "&" + description + ";" ; 
                 }               
             }            
             FileInputStream in = new FileInputStream(configFile);
@@ -882,7 +882,7 @@ public class NewTest extends javax.swing.JPanel {
             }
             props.store(out, null);            
             out.close();          
-            
+            /*
 		JSONObject obj = new JSONObject();
 		obj.put("Name", "crunchify.com");
 		obj.put("Author", "App Shah");
@@ -900,7 +900,7 @@ public class NewTest extends javax.swing.JPanel {
                 jout.write(jsonConfig);
                 jout.flush();
                 jout.close();
-                
+            */        
             success = true;            
         } catch (FileNotFoundException ex) {
             SwingUtils.showMessage(this, "generateTestConfig()", "Cannot find file: " + ex.toString());