diff -r 5a907f38608d -r 43fba26ba0c0 launcher/fx/src/main/java/org/apidesign/bck2brwsr/launcher/fximpl/JVMBridge.java
--- a/launcher/fx/src/main/java/org/apidesign/bck2brwsr/launcher/fximpl/JVMBridge.java	Wed Jun 26 18:44:21 2013 +0200
+++ b/launcher/fx/src/main/java/org/apidesign/bck2brwsr/launcher/fximpl/JVMBridge.java	Wed Jun 26 20:27:06 2013 +0200
@@ -17,6 +17,7 @@
  */
 package org.apidesign.bck2brwsr.launcher.fximpl;
 
+import java.io.BufferedReader;
 import java.io.Reader;
 import org.apidesign.html.boot.spi.Fn;
 import java.net.URL;
@@ -103,12 +104,21 @@
 
         @Override
         public void displayPage(URL page, Runnable onPageLoad) {
-            throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+            throw new UnsupportedOperationException("Not supported yet.");
         }
 
         @Override
         public void loadScript(Reader code) throws Exception {
-            throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+            BufferedReader r = new BufferedReader(code);
+            StringBuilder sb = new StringBuilder();
+            for (;;) {
+                String l = r.readLine();
+                if (l == null) {
+                    break;
+                }
+                sb.append(l).append('\n');
+            }
+            engine.executeScript(sb.toString());
         }
     }