var labelDiv=$$('div.navigation div')[2];
var isSingle=$$('body')[0].hasClassName("single");

$$('div.navigation a').each(function(a){
	var linkPrefix=isSingle?(a.parentNode.className=="previous"?"Previous article":"Next article")+": ":"";
	a.onmouseover=function(){
		labelDiv.innerHTML=linkPrefix+this.text;
	}
	a.onmouseout=function(){
		labelDiv.innerHTML="";
	}
	//a.title=linkPrefix+": "+a.text;
});