diff --git a/build.xml b/build.xml
index aaa9a3b..2b1091f 100644
--- a/build.xml
+++ b/build.xml
@@ -71,4 +71,10 @@
     nbproject/build-impl.xml file. 
 
     -->
+    <target name="clean" >
+        <delete dir="build"/>
+        <delete dir="dist"/>
+    </target>
+    <target name="build" depends="clean, compile, jar">
+    </target>
 </project>