var menus = new Array('people','undergrad','grad','jobs','info','survey');	
var noNav = "";

function hideNav(){
	clrBtn();
	stopClean();
	for(i=0;i<menus.length;i++){
		document.getElementById(menus[i]).style.display = 'none';
	}
}
		
function layerMgr(menu, btn){
	hideNav();
	colorBtn(btn);
	//document.getElementById(menu).style.left = posleft-30+"px";
	document.getElementById(menu).style.display = "block";
}

function cleanUp(){
	noNav = setTimeout("hideNav()",3000);
}

function stopClean(){
	clearTimeout(noNav);
}


function clrBtn(){
  var offColor = '#adb091';
	var links = document.getElementById('nav').getElementsByTagName('p');
  for(i=0;i<links.length;i++){
    links[i].style.backgroundColor=offColor;
  }
}

function colorBtn(btn){
  var onColor = '#60663e';
	clrBtn();
  btn.style.backgroundColor=onColor;
}