function updateTabs(i) {
	document.getElementById("update").style.display = (i == "on-update") ? "block" : "none";
	document.getElementById("calendar").style.display = (i == "on-calendar") ? "block" : "none";
	document.getElementById("gameday").style.display = (i == "on-gameday") ? "block" : "none";
	
	document.getElementById("update-tab").className = i;
}