Hej Zynzz, det hjalp ikke.
URL'en er 
http://www.arkivalieronline.dk/SoegeSider/Kirkeboeger.aspxDet er i øvrigt mærkeligt, fordi der er ikke nogen reference til et stylesheet, men den virker på andre computere!?
  <?xml version="1.0" encoding="UTF-8" ?> 
- <jnlp spec="1.0+" codebase="
http://www.arkivalieronline.dk/LAView">- <information>
  <title>LAView Application</title> 
  <vendor>Statens Arkiver</vendor> 
  <description>Fremviser til online arkivalier</description> 
  <description kind="short" /> 
  </information>
- <security>
  <all-permissions /> 
  </security>
- <resources>
  <j2se version="1.4+" initial-heap-size="64m" max-heap-size="128m" /> 
  <jar href="LAView.jar" /> 
  <jar href="axis.jar" /> 
  <jar href="clibwrapper_jiio.jar" /> 
  <jar href="commons-discovery-0.2.jar" /> 
  <jar href="commons-logging-1.0.4.jar" /> 
  <jar href="jai_core.jar" /> 
  <jar href="jai_codec.jar" /> 
  <jar href="jai_imageio.jar" /> 
  <jar href="jaxrpc.jar" /> 
  <jar href="log4j-1.2.8.jar" /> 
  <jar href="saaj.jar" /> 
  <jar href="wsdl4j-1.5.1.jar" /> 
  <property name="bog" value="%2fdata%2fkirkeboeger%2f" /> 
  <property name="opslag" value="079/1/001/K01-01-A.Tif,079/1/001/K01-02-A.Tif,079/1/001/K01-03-A.Tif,079/1/001/K01-04-A.Tif,079/1/001/K01-05-A.Tif,079/1/001/K01-06-A.Tif,079/1/001/K01-07-A.Tif,079/1/001/K01-08-A.Tif,079/1/001/K01-09-A.Tif,079/1/001/K01-10-A.Tif,079/1/001/K01-11-A.Tif,079/1/001/K01-12-A.Tif,079/1/001/K01-13-A.Tif,079/1/001/K01-14-A.Tif,079/1/001/K01-15-A.Tif,079/1/001/K01-16-A.Tif,079/1/001/K01-17-A.Tif,079/1/001/K01-18-A.Tif,079/1/001/K01-19-A.Tif,079/1/001/K01-20-A.Tif,079/1/001/K01-21-A.Tif,079/1/001/K01-22-A.Tif,079/1/001/K01-23-A.Tif,079/1/001/K01-24-A.Tif,079/1/001/K01-25-A.Tif,079/1/001/K01-26-A.Tif,079/1/001/K01-27-A.Tif,079/1/001/K01-28-A.Tif,079/1/001/K01-29-A.Tif,079/1/001/K02-01-A.Tif,079/1/001/K02-02-A.Tif,079/1/001/K02-03-A.Tif,079/1/001/K02-04-A.Tif,079/1/001/K02-05-A.Tif,079/1/001/K02-06-A.Tif,079/1/001/K02-07-A.Tif" /> 
  <property name="sessionId" value="xtpjsnrhn1igv155ramto155" /> 
  <property name="service" value="
http://ao.sa.dk/LAView/ImageServer/Service1.asmx" /> 
  <property name="titel" value="1807+-+1813%2c+Abel+Catrines+Stiftelse%2c+Sokkelund%2c+K%c3%b8benhavn" /> 
  </resources>
  <application-desc main-class="dk.sa.ao.LAViewer" /> 
  </jnlp>