var barva1 = '#ffc8a4';
var barva2 = '#ff0000';

function Blink()
{
  if(document.getElementById('news').style.color == barva1) 
  {
    document.getElementById('news').style.color = barva2;
  }
  else 
  {
    document.getElementById('news').style.color = barva1;
  }
} 

if (navigator.appName == "Microsoft Internet Explorer")
{
  window.setInterval('Blink()', 750);
}