<!--
var appVer = navigator.appVersion.toLowerCase();
var appName = navigator.appName;

var is_minor = parseFloat(appVer);
var is_major = parseInt(is_minor);
var iePos  = appVer.indexOf('msie');
if (iePos != -1)
{
  is_minor = parseFloat(appVer.substring(iePos+5,appVer.indexOf(';',iePos)));
  is_major = parseInt(is_minor);
}


if ((appName == "Netscape") && (is_major < 5))
{
  if (is_minor == 4.7)
    document.write("<link rel=\"stylesheet\" href=\"http://congres2003.vrisbi.nl/css/ns47.css\" type=\"text/css\">");
  else
    document.write("<link rel=\"stylesheet\" href=\"http://congres2003.vrisbi.nl/css/ns4.css\" type=\"text/css\">");
}
else if ((appName == "Microsoft Internet Explorer") && (is_minor <= 5))
{
  document.write("<link rel=\"stylesheet\" href=\"http://congres2003.vrisbi.nl/css/ie5.css\" type=\"text/css\">");
}
else
{
  document.write("<link rel=\"stylesheet\" href=\"http://congres2003.vrisbi.nl/css/ie6.css\" type=\"text/css\">");
}
//-->
