Event.observe(window, "load", function()
{
	$$("form, a").each(function (obj)
	{
		if ((obj.getAttribute("action") || obj.getAttribute("href")) && obj.getAttribute("rel") != null && obj.getAttribute("rel").toLowerCase() == "external")
		{
			obj.setAttribute("target", "_blank");
		}
	});
});

function showTab(index)
{
	var tabs = $$("#tabs ul li a");
	
	for (var i = 0; i < tabs.length; i++)
	{
		if (i == index)
		{
			tabs[i].addClassName("active");
		}
		else
		{
			tabs[i].removeClassName("active");
		}
	}
	
	var layers = $$("div.menu-layer");
	
	for (var i = 0; i < layers.length; i++)
	{
		layers[i].style.display = (i == index) ? "block" : "none";
	}
}