if (document.all && document.styleSheets && document.styleSheets[0] && document.styleSheets[0].addRule)
{
    document.styleSheets[0].addRule('#unit', 'behavior: url(/extranet/lib/includes/js/iepngfix.htc)');
    document.styleSheets[0].addRule('#logo', 'behavior: url(/extranet/lib/includes/js/iepngfix.htc)');
    document.styleSheets[0].addRule('#right_content', 'behavior: url(/extranet/lib/includes/js/iepngfix.htc)');
    document.styleSheets[0].addRule('#headline', 'behavior: url(/extranet/lib/includes/js/iepngfix.htc)');
}