function setActive()
{
	aObj = document.getElementById('nav').getElementsByTagName('a');
	for (i = 0; i < aObj.length; i++)
	{
		if (document.location.href.indexOf(aObj[i].href) >= 0)
		{
			aObj[i].className = 'active';
		}
	}
}
window.onload = setActive;