title: Point eclipse IDE to use another JRE / JDK other than one specified in JAVA_HOME
body: <p>I am having two JRE / SDK in my development environment, however it was necessary in my situation to set JAVA_HOME to 1.4.2, this is causing my eclipse IDE to stop running as it required 1.6 and above. </p>
  
  <p>May i know how i can modify eclipse ini or environment home to use my other 1.6 installation?</p>