Botão Post aleatório

Se carregares no dados vai abrir um post aleatório. Põe no teu blog:
<div id="myLuckyPost"></div> <span id="preserve0494d138efe349cc96867b72108cbb45" class="wlWriterPreserve"><script type="text/javascript"> function showLucky(root){ var feed = root.feed; var entries = feed.entry || []; var entry = feed.entry[0]; for (var j = 0; j < entry.link.length; ++j){if (entry.link[j].rel == 'alternate'){window.location = entry.link[j].href;}}} function fetchLuck(luck){ script = document.createElement('script'); script.src = '/feeds/posts/summary?start-index='+luck+'&max-results=1&alt=json-in-script&callback=showLucky'; script.type = 'text/javascript'; document.getElementsByTagName('head')[0].appendChild(script); } function feelingLucky(root){ var feed = root.feed; var total = parseInt(feed.openSearch$totalResults.$t,10); var luckyNumber = Math.floor(Math.random()*total);luckyNumber++; a = document.createElement('a'); a.href = '#random'; a.rel = luckyNumber; a.onclick = function(){fetchLuck(this.rel);}; a.innerHTML = '<p><img style="border-right-width: 0px; display: block; float: none; border-top-width: 0px; border-bottom-width: 0px; margin-left: auto; border-left-width: 0px; margin-right: auto" title="Ver Post Aleatório" border="0" alt="Ver Post Aleatório" src="http://i43.tinypic.com/24i79.jpg" width="140" height="90" /></p>'; document.getElementById('myLuckyPost').appendChild(a); } </script></span> <span id="preserved0d51eabe3024fba8115ec3460b82bbb" class="wlWriterPreserve"><script src="/feeds/posts/summary?max-results=0&alt=json-in-script&callback=feelingLucky"></script></span>