diff --git a/Panel.java b/Panel.java
index 8b465f2..43fdeae 100644
--- a/Panel.java
+++ b/Panel.java
@@ -1,4 +1,4 @@
-public interface Panel
+public class Panel extends JPanel
 {
-	public void show(GregorianCalendar date);
-}
\ No newline at end of file
+	
+}