diff --git a/dev/demo/vc.html b/dev/demo/vc.html
index bc8c340..ca79de6 100644
--- a/dev/demo/vc.html
+++ b/dev/demo/vc.html
@@ -31,12 +31,12 @@
 
     <hr />
 
-    <p><a onclick="showJSON()" style="cursor:pointer">show JSON!</a></p>
+    <p><a onclick="KorAP.showJSON()" style="cursor:pointer">show JSON!</a></p>
     <div id="json" class="info"></div>
 
     <hr />
 
-    <p><a onclick="showQuery()" style="cursor:pointer">show Query!</a></p>
+    <p><a onclick="KorAP.showQuery()" style="cursor:pointer">show Query!</a></p>
     <div id="query" class="info"></div>
 
   </body>