var them = [];
document.onkeydown = function(e) {
	var keyID;
	if (window.event) {
		keyID = window.event.keyCode;
	} else if (e) {
		keyID = e.which;
	}

	them.push(keyID);
	if (them.length > 6) {
		them.shift();
	}
	if (them.length == 6 && them[0] == 69 && them[1] == 85 && them[2] == 82 && them[3] == 69 && them[4] == 75 && them[5] == 65) {
		var style = document.createElement('link');
		style.rel = 'stylesheet';
		style.type = 'text/css';
		style.href = 'oops.css';
		document.getElementsByTagName('head')[0].appendChild(style);
	}
}