Errorception's async loader
<script>
// <snip>
(function (window, document) {
var loader = function () {
var script = document.createElement("script"), tag = document.getElementsByTagName("script")[0];
script.src = "http://errorception.com/projects/" + _errs[0] + "/beacon.js";
tag.parentNode.insertBefore(script, tag);
};
// Wait until window.onload before downloading any more code.
window.addEventListener ? window.addEventListener("load", loader, false) : window.attachEvent("onload", loader);
})(window, document);
</script>