function topstoriesTabs(i) {
	document.getElementById("topstories").style.display = (i == "on-topstories") ? "block" : "none";
	document.getElementById("morestories").style.display = (i == "on-morestories") ? "block" : "none";
	document.getElementById("calendar").style.display = (i == "on-calendar") ? "block" : "none";
	
	document.getElementById("topstories-tab").className = i;
}