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(iepngfix.htc)');
  // Feel free to add rules for specific elements only, as above.
  // You have to call this once for each selector, like so:
  //document.styleSheets[0].addRule('img', 'behavior:  url(iepngfix.htc)');
  //document.styleSheets[0].addRule('div', 'behavior:  url(iepngfix.htc)');
 }