function manipulateDom(){
	var curloc = document.location.href

	if($('nav_tri')){
		var links = $('nav_tri').getElementsByTagName('a');
		for(var i=0; i < links.length; i++){
			// busy state
			if(links[i].href == curloc){
				$($(links[i]).ancestors()[0]).addClassName('busy');
			}
			// id
			var slug = links[i].href.split('/').reverse()[0];
			$($(links[i]).ancestors()[0]).id = slug;
		}
	}
	
	if($('nav')){
		var links = $('nav').getElementsByTagName('a');
		for(var i=0; i < links.length; i++){
			// id
			var slug = links[i].href.split('/')[4];
			if(curloc.split('/')[4]==slug){
				$($(links[i]).ancestors()[0]).addClassName('busy');
			}
		}
	}
}

// Event.observe(window, 'load', manipulateDom, false);