function select_nav(){
	var nav_links = document.getElementById('topnav').getElementsByTagName('a');
	var selected = "/" + location.href;
	var base = "/http://" + location.host + '/';
	
	if (selected == base) {
		nav_links[0].setAttribute ('className', "selected") ||
		nav_links[0].setAttribute ('class', "selected")
	}
	else {
		
		for (var i = 0; i < nav_links.length; i++) {
			var link = nav_links[i].href;
		
			//fiddle IE's veiw of the link
			if (link.substring(0, 1) != '/')
				link = '/' + link;
			
			if (link == selected)
				nav_links[i].setAttribute('className', 'selected') ||
				nav_links[i].setAttribute('class', 'selected'); 
		}
	}
}

window.onload = function() {
	select_nav();
};