if (document.all && document.styleSheets && document.styleSheets[0] && document.styleSheets[0].addRule){
      document.styleSheets[0].addRule('img', 'behavior: url(scripts/iepngfix.htc);');
      document.styleSheets[0].addRule('div', 'behavior: url(scripts/iepngfix.htc);');
      document.styleSheets[0].addRule('span', 'behavior: url(scripts/iepngfix.htc);');
      document.styleSheets[0].addRule('a', 'behavior: url(scripts/iepngfix.htc);');
}