$(document).ready(function() {
	// path of page + if it has ?test=etc
	var path = location.pathname + location.search;
	// if http://www.sitename.com
	if (path=='/'){
		$('#navigation a[@href*=Site/Home/default.aspx]').parent().addClass("active");	
	}
	// if a page
	else {
		$('#navigation a[@href*="' + path  + '"]').parent().addClass("active");	
	}

 });