How can I get file size while downloading jvm ?

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Javascript

PHP

JSP

Hi, I am using this javascript :http://www.java.com/js/deployJava.js

My javascript code:

function Test()
{
	var attributes = {codebase:'http://java.sun.com/products/plugin/1.5.0/demos/jfc/Java2D',
                      code:'java2d.Java2DemoApplet.class',
                      archive:'Java2Demo.jar',
                      width:710, height:540} ;
    var parameters = {fontSize:16} ;
    var version = jsver ;
    deployJava.setInstallerType('kernel');
   // include any required packages as shown below
    deployJava.setAdditionalPackages('javax.swing, javax.xml');
    deployJava.runApplet(attributes, parameters, version);
}

This working good to download jvm. Now I want to add a progress bar in my html code:

<progress value="0" max="100">0 %</progress>

Now, I want to show this progess while I am downloading the JVM. Please help me.