diff --git a/static/javascript/lesgv.js b/static/javascript/lesgv.js
new file mode 100644
index 0000000..f45f31f
--- /dev/null
+++ b/static/javascript/lesgv.js
@@ -0,0 +1,8 @@
+function addResDigitaOrgIdValue () {
+  inputTextEl = document.getElementById("idvalue");
+  value = inputTextEl.value;
+  value = value.split("@")[0];
+  inputTextEl.value = value + "@resdigita.org";
+  return value;
+}
+document.getElementById("idvalue").addEventListener("change",addResDigitaOrgIdValue());
\ No newline at end of file