diff --git a/src/mibewjava/org.mibew.jabber/resources/build.xml b/src/mibewjava/org.mibew.jabber/resources/build.xml
index df644d74..f633c7db 100644
--- a/src/mibewjava/org.mibew.jabber/resources/build.xml
+++ b/src/mibewjava/org.mibew.jabber/resources/build.xml
@@ -2,40 +2,59 @@
 <project basedir="." default="build" name="org.mibew.notifier">
     <property environment="env"/>
     <property name="debuglevel" value="source,lines,vars"/>
-    <property name="target" value="1.6"/>
-    <property name="source" value="1.6"/>
+    <property name="osxJarPath" value="Mibew Notifier.app/Contents/Resources/Java"/>
+    <property name="projectJar" value="org.mibew.notifier.jar"/>
+    <property name="projectVersion" value="1.00"/>
+    
 	
     <target name="init">
         <mkdir dir="bin"/>
     </target>
     <target name="clean">
         <delete dir="bin"/>
+	<delete file="${projectJar}"/>
+	<delete>
+	    <fileset dir="${osxJarPath}">
+		<include name="*.jar"/>
+	    </fileset>
+	</delete>
     </target>
     <target depends="init" name="build">
         <echo message="${ant.project.name}: ${ant.file}"/>
         <copy includeemptydirs="false" todir="bin">
 	    <fileset dir="../src" excludes="**/*.java, **/*.ini"/>
         </copy>
-        <javac debug="true" debuglevel="${debuglevel}" destdir="bin" source="${source}" target="${target}">
+        <javac debug="true" debuglevel="${debuglevel}" destdir="bin" source="1.6" target="1.6">
 	    <src path="../src"/>
 	    <classpath>
 		<fileset dir="../libs">
-		    <include name="**/*.jar"/>
+		    <include name="*.jar"/>
 		</fileset>
 	    </classpath>
 	</javac>
-	<jar destfile="org.mibew.notifier.jar">
+	<tstamp>
+	    <format property="TODAY" pattern="yyyy-MM-dd HH:mm:ss" />
+	</tstamp>
+	<jar destfile="${projectJar}">
 	    <fileset dir="bin"/>
 	    <manifest>
 		<attribute name="Main-Class" value="org.mibew.trayapp.NotifyApp"/>
+		<attribute name="Implementation-Version" value="${projectVersion}"/> 
+		<attribute name="Built-Date" value="${TODAY}"/>
 	    </manifest>
 	</jar>
     </target>
-    <target depends="build" name="package">
-	<copy includeemptydirs="false" todir="Mibew Notifier.app/Contents/Resources/Java">
+    <target depends="build" name="packageOSX">
+	<copy includeemptydirs="false" todir="${osxJarPath}">
 	    <fileset dir="../libs">
 		<include name="*.jar"/>
 	    </fileset>
+	    <fileset file="${projectJar}"/>
 	</copy>
+	<exec executable="/Developer/Tools/SetFile">
+	    <arg value="-a"/>
+	    <arg value="B"/>
+	    <arg value="Mibew Notifier.app"/>
+	</exec>
     </target>
 </project>