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