function setpng() { 
  if(document.all && (IEver=parseFloat(navigator.appVersion.split("MSIE")[1])) && (IEver>=5.5) && (IEver<7) && document.body.filters) {
    
    document.getElementById('footer').style.display='block';
    document.getElementById('footer-ie').style.display='block';
    document.getElementById('footer-f').style.display='none';


  }
}