diff --git a/src/opnsense/www/js/opnsense.js b/src/opnsense/www/js/opnsense.js
new file mode 100644
index 000000000..e2e29925e
--- /dev/null
+++ b/src/opnsense/www/js/opnsense.js
@@ -0,0 +1,63 @@
+/**
+ * Map input fields from given parent tag to structure of named arrays.
+ *
+ * @param parent tag id in dom
+ * @return array
+ */
+function getFormData(parent) {
+
+    data = {};
+    $( "#"+parent+"  input" ).each(function( index ) {
+            node = data ;
+            keyparts = $(this).attr('id').split('.');
+            for (var i in keyparts) {
+                if (!(keyparts[i] in node)) {
+                    node[keyparts[i]] = {};
+                }
+                if (i < keyparts.length - 1 ) {
+                    node = node[keyparts[i]];
+                } else {
+                    if ($(this).prop("type") == "checkbox") {
+                        node[keyparts[i]] = $(this).prop("checked");
+                    } else {
+                        node[keyparts[i]] = $(this).val();
+                    }
+                }
+            }
+    });
+
+    return data;
+}
+
+/**
+ * bind data to form, using named arrays
+ *
+ * for example,
+ *      data = {'host':{'name':'opnsense'}}
+ *      parent = 'general'
+ *
+ *      will search for an input tag host.name within the parent tag 'general' and fills it with the value 'opnsense'
+ *
+ * @param parent tag id in dom
+ * @param data named array structure
+ */
+function setFormData(parent,data) {
+    $( "#"+parent+"  input" ).each(function( index ) {
+        node = data ;
+        keyparts = $(this).attr('id').split('.');
+        for (var i in keyparts) {
+            if (!(keyparts[i] in node)) {
+                break;
+            }
+            if (i < keyparts.length - 1 ) {
+                node = node[keyparts[i]];
+            } else {
+                if ($(this).prop("type") == "checkbox") {
+                    $(this).prop("checked",node[keyparts[i]]) ;
+                } else {
+                    $(this).val(node[keyparts[i]]);
+                }
+            }
+        }
+    });
+}