divState = new Array("block","none")
function showAbout() {
	document.getElementById('about').style.display = divState[0]
	document.getElementById('agenda').style.display = divState[1]
	document.getElementById('presenters').style.display = divState[1]
	document.getElementById('optional').style.display = divState[1]
	document.getElementById('workshops').style.display = divState[1]
	document.getElementById('special').style.display = divState[1]
	document.getElementById('travel').style.display = divState[1]
	document.getElementById('credits').style.display = divState[1]
	document.getElementById('peers').style.display = divState[1]
	document.getElementById('spotlight').style.display = divState[1]
	document.getElementById('financial').style.display = divState[1]
	document.getElementById('nst').style.display = divState[1]
	document.getElementById('chat').style.display = divState[1]
}
function showSpotlight() {
	document.getElementById('about').style.display = divState[1]
	document.getElementById('agenda').style.display = divState[1]
	document.getElementById('presenters').style.display = divState[1]
	document.getElementById('optional').style.display = divState[1]
	document.getElementById('workshops').style.display = divState[1]
	document.getElementById('special').style.display = divState[1]
	document.getElementById('travel').style.display = divState[1]
	document.getElementById('credits').style.display = divState[1]
	document.getElementById('peers').style.display = divState[1]
	document.getElementById('spotlight').style.display = divState[0]
	document.getElementById('financial').style.display = divState[1]
	document.getElementById('nst').style.display = divState[1]
	document.getElementById('chat').style.display = divState[1]
}
function showAgenda() {
	document.getElementById('about').style.display = divState[1]
	document.getElementById('agenda').style.display = divState[0]
	document.getElementById('presenters').style.display = divState[1]
	document.getElementById('optional').style.display = divState[1]
	document.getElementById('workshops').style.display = divState[1]
	document.getElementById('special').style.display = divState[1]
	document.getElementById('travel').style.display = divState[1]
	document.getElementById('credits').style.display = divState[1]
	document.getElementById('peers').style.display = divState[1]
	document.getElementById('spotlight').style.display = divState[1]
	document.getElementById('financial').style.display = divState[1]
	document.getElementById('nst').style.display = divState[1]
	document.getElementById('chat').style.display = divState[1]
}

function showPresenters() {
	document.getElementById('about').style.display = divState[1]
	document.getElementById('agenda').style.display = divState[1]
	document.getElementById('presenters').style.display = divState[0]
	document.getElementById('optional').style.display = divState[1]
	document.getElementById('workshops').style.display = divState[1]
	document.getElementById('special').style.display = divState[1]
	document.getElementById('travel').style.display = divState[1]
	document.getElementById('credits').style.display = divState[1]
	document.getElementById('peers').style.display = divState[1]
	document.getElementById('spotlight').style.display = divState[1]
	document.getElementById('financial').style.display = divState[1]
	document.getElementById('nst').style.display = divState[1]
	document.getElementById('chat').style.display = divState[1]
}
function showOptional() {
	document.getElementById('about').style.display = divState[1]
	document.getElementById('agenda').style.display = divState[1]
	document.getElementById('presenters').style.display = divState[1]
	document.getElementById('optional').style.display = divState[0]
	document.getElementById('workshops').style.display = divState[1]
	document.getElementById('special').style.display = divState[1]
	document.getElementById('travel').style.display = divState[1]
	document.getElementById('credits').style.display = divState[1]
	document.getElementById('peers').style.display = divState[1]
	document.getElementById('spotlight').style.display = divState[1]
	document.getElementById('financial').style.display = divState[1]
	document.getElementById('nst').style.display = divState[1]
	document.getElementById('chat').style.display = divState[1]
}
function showWorkshops() {
	document.getElementById('about').style.display = divState[1]
	document.getElementById('agenda').style.display = divState[1]
	document.getElementById('presenters').style.display = divState[1]
	document.getElementById('optional').style.display = divState[1]
	document.getElementById('workshops').style.display = divState[0]
	document.getElementById('special').style.display = divState[1]
	document.getElementById('travel').style.display = divState[1]
	document.getElementById('credits').style.display = divState[1]
	document.getElementById('peers').style.display = divState[1]
	document.getElementById('spotlight').style.display = divState[1]
	document.getElementById('financial').style.display = divState[1]
	document.getElementById('nst').style.display = divState[1]
	document.getElementById('chat').style.display = divState[1]
}
function showSpecial() {
	document.getElementById('about').style.display = divState[1]
	document.getElementById('agenda').style.display = divState[1]
	document.getElementById('presenters').style.display = divState[1]
	document.getElementById('optional').style.display = divState[1]
	document.getElementById('workshops').style.display = divState[1]
	document.getElementById('special').style.display = divState[0]
	document.getElementById('travel').style.display = divState[1]
	document.getElementById('credits').style.display = divState[1]
	document.getElementById('peers').style.display = divState[1]
	document.getElementById('spotlight').style.display = divState[1]
	document.getElementById('financial').style.display = divState[1]
	document.getElementById('nst').style.display = divState[1]
	document.getElementById('chat').style.display = divState[1]
}
function showTravel() {
	document.getElementById('about').style.display = divState[1]
	document.getElementById('agenda').style.display = divState[1]
	document.getElementById('presenters').style.display = divState[1]
	document.getElementById('optional').style.display = divState[1]
	document.getElementById('workshops').style.display = divState[1]
	document.getElementById('special').style.display = divState[1]
	document.getElementById('travel').style.display = divState[0]
	document.getElementById('credits').style.display = divState[1]
	document.getElementById('peers').style.display = divState[1]
	document.getElementById('spotlight').style.display = divState[1]
	document.getElementById('financial').style.display = divState[1]
	document.getElementById('nst').style.display = divState[1]
	document.getElementById('chat').style.display = divState[1]
}
function showCredits() {
	document.getElementById('about').style.display = divState[1]
	document.getElementById('agenda').style.display = divState[1]
	document.getElementById('presenters').style.display = divState[1]
	document.getElementById('optional').style.display = divState[1]
	document.getElementById('workshops').style.display = divState[1]
	document.getElementById('special').style.display = divState[1]
	document.getElementById('travel').style.display = divState[1]
	document.getElementById('credits').style.display = divState[0]
	document.getElementById('peers').style.display = divState[1]
	document.getElementById('spotlight').style.display = divState[1]
	document.getElementById('financial').style.display = divState[1]
	document.getElementById('nst').style.display = divState[1]
	document.getElementById('chat').style.display = divState[1]
}
function showPeers() {
	document.getElementById('about').style.display = divState[1]
	document.getElementById('agenda').style.display = divState[1]
	document.getElementById('presenters').style.display = divState[1]
	document.getElementById('optional').style.display = divState[1]
	document.getElementById('workshops').style.display = divState[1]
	document.getElementById('special').style.display = divState[1]
	document.getElementById('travel').style.display = divState[1]
	document.getElementById('credits').style.display = divState[1]
	document.getElementById('peers').style.display = divState[0]
	document.getElementById('spotlight').style.display = divState[1]
	document.getElementById('financial').style.display = divState[1]
	document.getElementById('nst').style.display = divState[1]
	document.getElementById('chat').style.display = divState[1]
}
function showBriefsessions() {
	document.getElementById('about').style.display = divState[1]
	document.getElementById('agenda').style.display = divState[1]
	document.getElementById('presenters').style.display = divState[1]
	document.getElementById('optional').style.display = divState[1]
	document.getElementById('workshops').style.display = divState[0]
	document.getElementById('special').style.display = divState[1]
	document.getElementById('travel').style.display = divState[1]
	document.getElementById('credits').style.display = divState[1]
	document.getElementById('peers').style.display = divState[1]
	document.getElementById('spotlight').style.display = divState[1]
	document.getElementById('financial').style.display = divState[1]
	document.getElementById('nst').style.display = divState[1]
	document.getElementById('brief-sessions').style.display = divState[0]
	document.getElementById('work-sessions').style.display = divState[1]
}
function showWorksessions() {
	document.getElementById('about').style.display = divState[1]
	document.getElementById('agenda').style.display = divState[1]
	document.getElementById('presenters').style.display = divState[1]
	document.getElementById('optional').style.display = divState[1]
	document.getElementById('workshops').style.display = divState[0]
	document.getElementById('special').style.display = divState[1]
	document.getElementById('travel').style.display = divState[1]
	document.getElementById('credits').style.display = divState[1]
	document.getElementById('peers').style.display = divState[1]
	document.getElementById('spotlight').style.display = divState[1]
	document.getElementById('financial').style.display = divState[1]
	document.getElementById('nst').style.display = divState[1]
	document.getElementById('brief-sessions').style.display = divState[1]
	document.getElementById('work-sessions').style.display = divState[0]
}
function showFinancial() {
	document.getElementById('about').style.display = divState[1]
	document.getElementById('agenda').style.display = divState[1]
	document.getElementById('presenters').style.display = divState[1]
	document.getElementById('optional').style.display = divState[1]
	document.getElementById('workshops').style.display = divState[0]
	document.getElementById('special').style.display = divState[1]
	document.getElementById('travel').style.display = divState[1]
	document.getElementById('credits').style.display = divState[1]
	document.getElementById('peers').style.display = divState[1]
	document.getElementById('spotlight').style.display = divState[1]
	document.getElementById('financial').style.display = divState[0]
	document.getElementById('nst').style.display = divState[1]
	document.getElementById('brief-sessions').style.display = divState[1]
	document.getElementById('work-sessions').style.display = divState[1]
	document.getElementById('chat').style.display = divState[1]
}
function showNST() {
	document.getElementById('about').style.display = divState[1]
	document.getElementById('agenda').style.display = divState[1]
	document.getElementById('presenters').style.display = divState[1]
	document.getElementById('optional').style.display = divState[1]
	document.getElementById('workshops').style.display = divState[0]
	document.getElementById('special').style.display = divState[1]
	document.getElementById('travel').style.display = divState[1]
	document.getElementById('credits').style.display = divState[1]
	document.getElementById('peers').style.display = divState[1]
	document.getElementById('spotlight').style.display = divState[1]
	document.getElementById('financial').style.display = divState[1]
	document.getElementById('nst').style.display = divState[0]
	document.getElementById('brief-sessions').style.display = divState[1]
	document.getElementById('work-sessions').style.display = divState[1]
}
function showChat() {
	document.getElementById('about').style.display = divState[1]
	document.getElementById('agenda').style.display = divState[1]
	document.getElementById('presenters').style.display = divState[1]
	document.getElementById('optional').style.display = divState[1]
	document.getElementById('workshops').style.display = divState[1]
	document.getElementById('special').style.display = divState[1]
	document.getElementById('travel').style.display = divState[1]
	document.getElementById('credits').style.display = divState[1]
	document.getElementById('peers').style.display = divState[1]
	document.getElementById('spotlight').style.display = divState[1]
	document.getElementById('financial').style.display = divState[1]
	document.getElementById('nst').style.display = divState[1]
	document.getElementById('chat').style.display = divState[0]
}