function openDrawer() {
	var drawer = document.getElementById('azServices');
	var tab = document.getElementById('azLink');
	if (drawer.style.display == "none") {
		drawer.style.display = "block";
		tab.setAttribute('class', 'tabOpen');
	}
	else {
		drawer.style.display = "none";
		tab.setAttribute('class', '');
	}
	
}