//para analytics
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-4056119-9']);
_gaq.push(['_trackPageview']);
(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();
//para google plusone async
(function() {
var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true;
po.src = 'https://apis.google.com/js/plusone.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
})();
//para tweet button
var tweetscript = document.createElement('script');
tweetscript.type = 'text/javascript';
tweetscript.async = true;
tweetscript.src = 'http://platform.twitter.com/widgets.js';
(document.getElementById('tweetbutton')).appendChild(tweetscript);