Intro
Does not leak.
function init()
{
createLinks();
var x = document.getElementsByTagName('a');
for (var i=0;i<x.length;i+=2)
{
treatOneLink(x[i]);
}
}
function treatOneLink(obj)
{
if (!obj.nextSibling) return;
obj.relatedElement = obj.nextSibling;
}