var nav = new Array('Green', 'Careers', 'Subcontractor', 'Experience', 'Current', 'Company');

function setNav(currentNav) {

	for (i = 0; i <= nav.length - 1; i++) {
		
		n = document.getElementById('nav' + nav[i]);
		s = document.getElementById('subnav' + nav[i]);
		
		if (nav[i] == currentNav) {
			n.parentNode.className = 'current';
			s.style.display = '';
		} else {
			n.parentNode.className = '';
			s.style.display = 'none';
		}
		
	}

}