function initTabs()
{
	var sets = document.getElementsByTagName("ul");
	for (var i = 0; i < sets.length; i++)
	{
		if (sets[i].parentNode.className.indexOf("tabset") != -1)
		{
			var lis = sets[i].getElementsByTagName("li");
			for (var j = 0; j < lis.length; j++)
			{
				lis[j].style.zIndex = lis.length - j;
			}
		}
	}
}

if (window.addEventListener)
	window.addEventListener("load", initTabs, false);
else if (window.attachEvent && !window.opera)
	window.attachEvent("onload", initTabs);