$(function() {
	codeView.init("#codeView");
	externalLinks();
});

function externalLinks() {
	$("a.external").click(function(e) {
		window.open(e.currentTarget.href);
		return(false);
	});
}

var codeView = {
	obj: null,
	cur: 0,
	code: null,
	length: 0,
	timer: null,
	paused: null,

	animate: function() {
		if (!codeView.paused) {
			codeView.cur ++;
			if (codeView.cur > codeView.length) {
				window.clearInterval(codeView.timer);
				codeView.obj.fadeTo(1000, 0, function() {
					codeView.obj.empty();
					codeView.cur = 0;
					codeView.obj.fadeTo(0, 1);
					codeView.timer = window.setInterval("codeView.animate()", 100);
				});
			} else {
				var code = codeView.code.slice(Math.max(0, codeView.cur - 1), codeView.cur);
				code = code.replace(/\t/g, "&nbsp;&nbsp;").replace(/>/g, "&gt;").replace(/</g, "&lt;").replace(/\n/g, "<br/>");
				codeView.obj.append(code);
			}
		}
	},

	init: function(arg) {
		codeView.code = $("html").html().replace(/[\r\t]{2}/g, "\t");
		codeView.length = codeView.code.length;
		codeView.obj = $(arg);
		codeView.timer = window.setInterval("codeView.animate()", 100);
		$(document).scroll(codeView.pause);
	},

	pause: function() {
		codeView.paused = true;
		window.setTimeout("codeView.play()", 500);
	},

	play: function() {
		codeView.paused = false;
	}
};