function headlinesTabs(i) {
	document.getElementById("events").style.display = (i == "on-events") ? "block" : "none";
	document.getElementById("headlines").style.display = (i == "on-headlines") ? "block" : "none";
	document.getElementById("releases").style.display = (i == "on-releases") ? "block" : "none";
	
	document.getElementById("headlines-tab").className = i;
}