(function(){var g=document.getElementById("last_posts_ul");var h=document.getElementById("popular_posts_ul");h.style.display="none";var j=document.getElementById("last_posts_a");var k=document.getElementById("popular_posts_a");function getButtonBottomSpan(a){var b=a.getElementsByTagName("span");for(var i=0;i<b.length;i++){var c=b[i];if(c.className=="button_bottom_span")return c}return null}function hideButtonBottom(a){var b=getButtonBottomSpan(a.parentNode);b.style.visibility="hidden"}function showButtonBottom(a){var b=getButtonBottomSpan(a.parentNode);b.style.visibility="visible"}var l="selected";var m="button_state_active";var n="button_state_normal";j.parentNode.className+=" "+l;k.parentNode.className=k.parentNode.className.replace(m,n);hideButtonBottom(k);function selectPostsUl(a){var b=a.parentNode;if(b.className.search(l)>-1)return;var c=null;var d=null;var e=null;var f=null;if(a==j){c=j;d=k;e=g;f=h}else{c=k;d=j;e=h;f=g}c.parentNode.className=c.parentNode.className.replace(n,m);c.parentNode.className+=" "+l;showButtonBottom(c);d.parentNode.className=d.parentNode.className.replace(m,n);d.parentNode.className=d.parentNode.className.replace(" "+l,"");hideButtonBottom(d);e.style.display="block";f.style.display="none"}j.onclick=function(){selectPostsUl(j)};k.onclick=function(){selectPostsUl(k)};function setActiveState(a){var b=a.parentNode;if(b.className.search(m)>-1)return;b.className=b.className.replace(n,m)}function setNormalState(a){var b=a.parentNode;if(b.className.search(n)>-1||b.className.search(l)>-1)return;b.className=b.className.replace(m,n)}j.onmouseover=function(){setActiveState(j)};k.onmouseover=function(){setActiveState(k)};j.onmouseout=function(){setNormalState(j)};k.onmouseout=function(){setNormalState(k)}})();