diff --git a/index.html b/index.html
index 2e3e189..ceaf998 100644
--- a/index.html
+++ b/index.html
@@ -52,7 +52,7 @@
         </li>
 
       </ul>
-      
+
     </div>
   </nav>
 
@@ -154,29 +154,7 @@ <h3>ETX</h3>
 
   </div>
 
-  <script>
-    const url = "https://obudai-api.azurewebsites.net/api/exchange/";
-    const CsCs_APIKEY = "F98143CD-1DAF-4D4A-A929-E6588AD72C8B";
-    
-    function GetCurrency(){
-      var currency = document.getElementById('currency_type').value;
-      var resource = url + currency;
-      var oReq = new XMLHttpRequest();
-      oReq.addEventListener("load", reqListener);
-      oReq.open("GET", resource, true);
-      oReq.setRequestHeader("X-Access-Token", CsCs_APIKEY)
-      oReq.send();
-    }
-    
-    function reqListener() {
-      var currency = JSON.parse(this.responseText);
-      // if error?
-      document.getElementById("currency_name").innerHTML = currency.symbol;
-      document.getElementById("currency_value").innerHTML = currency.currentRate;
-    }
-    
-  </script>
-
+<script src="js/main.js"></script>
 </body>
 
 </html>
\ No newline at end of file
diff --git a/js/main.js b/js/main.js
new file mode 100644
index 0000000..18b749c
--- /dev/null
+++ b/js/main.js
@@ -0,0 +1,19 @@
+const url = "https://obudai-api.azurewebsites.net/api/exchange/";
+const CsCs_APIKEY = "F98143CD-1DAF-4D4A-A929-E6588AD72C8B";
+
+function GetCurrency(){
+  var currency = document.getElementById('currency_type').value;
+  var resource = url + currency;
+  var oReq = new XMLHttpRequest();
+  oReq.addEventListener("load", reqListener);
+  oReq.open("GET", resource, true);
+  oReq.setRequestHeader("X-Access-Token", CsCs_APIKEY)
+  oReq.send();
+}
+
+function reqListener() {
+  var currency = JSON.parse(this.responseText);
+  // if error?
+  document.getElementById("currency_name").innerHTML = currency.symbol;
+  document.getElementById("currency_value").innerHTML = currency.currentRate;
+}
\ No newline at end of file