use scope as part id then leading symbol not number for generating

gadget_json_generated_form.js

@@ -129,7 +129,7 @@
       parent_path,
       scope;
 
-    scope = Math.random().toString(36).substr(2, 9);
+    scope = "j" + Math.random().toString(36).substr(2, 9);
     if (options.parent_type !== "array") {
       parent_path = options.path;
       property_name = options.property_name;
@@ -412,7 +412,7 @@
         return schema_alternatives;
       })
       .push(function (schema_alternatives) {
-        var scope = Math.random().toString(36).substr(2, 9);
+        var scope = 's' + Math.random().toString(36).substr(2, 9);
         if (schema_alternatives.length > 1) {
           return gadget.declareGadget("gadget_html5_select.html", {scope: scope})
             .push(function (g) {
@@ -619,6 +619,7 @@
     }
     div.appendChild(label);
     div_input = document.createElement("div");
+    div_input.setAttribute("id", gadget.element.getAttribute("data-gadget-scope") + first_path + '/');
     div_input.setAttribute("class", "input");
 
     if (json_field.enum !== undefined) {