open browser through ant script

<macrodef name="openInBrowser">

  <attribute name="url"/>


  <sequential>

     <exec dir="${basedir}" executable="rundll32.exe">

        <arg line="url.dll, FileProtocolHandler"/>

        <arg line="@{url}"/>

     </exec>

  </sequential>  

</macrodef>
<target name="openTestResults" depends="tomcat-start">

  <echo message="Opening test results in default browser" />

  <openInBrowser url="http://localhost:2020/TrackingGadget-0.1-dev/gvHome"/>

</target>