function setActive() {
	aObj = document.getElementById('main_menu').getElementsByTagName('a');
	for (i = aObj.length - 1; i >= 0; i--) {
		if (document.location.href.indexOf(aObj[i].href) >= 0) {
			aObj[i].className = 'active';
			break;
		}
	}
	setActiveSub();
}

function setActiveSub() {
	sObj = document.getElementById('sub_menu').getElementsByTagName('a');
	if (document.location.href == "http://www.gruppohtml.it/") {
		sObj[0].className = 'active';
	}
	else {
		for (i = 1; i < sObj.length; i++) {
			if (document.location.href.indexOf(sObj[i].href) >= 0) {
				sObj[i].className = 'active';
				break;
			}
		}
	}
}

window.onload = setActive;