Loading HTML page from jar file

I am deploying an application with user help displayed in a JEditorPane. The help is in the form of an MS Word document converted to a web page (htm) and has images embedded and internal hyperlinks. When I run this in development inside my IDE (JDeveloper) the images and hyperlinks all work fine. However when I package them into the jar file required for the webstart implementation and run that the page comes up ok but neither the images are seen nor do the hyperlinks work.
The error message that I can trap when trying to move to the hyperlink destination is
error updating hyperlink file:\c:\programefiles\myapp\myapp.jar!\nz.co.mypackagename\helpfile.htm (the filename, directory name or volume label syntax is incorrect)
can any one suggest a solution. I have tried altering the references in the htm document to the hyperlinks and images but no joy. I have had trouble before trying to correctly access via resources via aURL inside jar files - seems to be problematic.
thanks
Paul

I tested the following html and the code works fine for me.
<html>
<title>JEDITORPANE TEST</title>
<body>
     Herecomes some text. This is <b>bolded</b> text.
     <img border="0" width="200" height="200" src="images/logo.jpg">
</body>
</html>
JEditorPane edit= new JEditorPane(this.getClass().getClassLoader().getResource("index2.html"));
this.getContentPane().add(edit,BorderLayout.CENTER);
this.setSize(700,700);
this.show();

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