window.onload = function () {
		// focus on the input field for easy access...
		var input = document.getElementById ('focusme');
		input.focus ();
		// ...but if someone wishes to go back in their history, let them!
		document.onkeydown = function (e) {
			if (!e) {
				var e = window.event;
			}
			if (e.keyCode === 8 && !input.value) {
				history.back();
			}
		};
	};