How to make the client automatically install jre using jnlp

my jnlp has The following,but not tip to install the client,why?
<j2se version="1.6+"
href="http://java.sun.com/products/autodl/j2se"
max-heap-size="128m" />

Check out deployJava.js mentioned in [Java Web App Deployment Advice|http://java.sun.com/javase/6/docs/technotes/guides/jweb/deployment_advice.html].

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I found this code on IBM's website, it was a training session on servers and clients using java.
The code compiles fine and the server seems to start up properly when I use java Server 5000. I think whats happening is the server is running and listening for a connection on port 5000.
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import java.util.*;
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import java.awt.event.*;
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import java.awt.*;
import java.io.*;
import java.net.*;
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How to make the client automatically install jre using jnlp

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