if ( document.styleSheets && document.styleSheets[0] )
{
  if ( document.styleSheets[0].addRule )
  {
    document.styleSheets[0].addRule('.png img', 'behavior: url(/behavior/iepngfix.htc)');
    document.styleSheets[0].addRule('.title', 'behavior: url(/behavior/titles.htc)');
  }
  else
  {
    document.styleSheets[0].insertRule('.title { -moz-binding: url(/behavior/titles.xml#titles) }', 0);
  }
}