if (document.all && /MSIE (5\.5|6)/.test(navigator.userAgent) &&
  document.styleSheets && document.styleSheets[0] && document.styleSheets[0].addRule)
 {
  document.styleSheets[0].addRule('*', 'behavior: url(/fileadmin/templates/scripts/iepngfix.htc)');
  document.styleSheets[0].addRule('img', 'behavior: url(/fileadmin/templates/scripts/iepngfix.htc)');
  document.styleSheets[0].addRule('div', 'behavior: url(/fileadmin/templates/scripts/iepngfix.htc)');
 }