ie-inject-style-rules.js

// this is how I fixed IE6-8 crashing on
// dynamic insertion of at-rules inside
// stylesheets (for example @font-face)

// UPDATE:
// Fix by MS, move up the style insertion
// before the stylesheet rule manipulation

function setStyle(rules) {
  var d = document,
      r = d.documentElement,
      s = d.createElement('style'),
      h = d.getElementsByTagName('head')[0] || r;
  s.type = 'text/css';
  h.insertBefore(s, h.firstChild);
  s.styleSheet.cssText = rules;
}