//global variables

var timerID = null;
var timerOn = false;
var timecount = 500;

function setcurrent(){
var currentpage = document.getElementById("economicintro");
currentpage.style.display="block";
}


function initnav(){
setcurrent();
}

// show or hide the layers
function showLayer(layerName){
document.getElementById(layerName).style.display="block";
}

function hideLayer(layerName){
document.getElementById(layerName).style.display="none";
}

function hideAll(){
hideLayer('economicintro');
hideLayer('economic1');
hideLayer('economic2');
hideLayer('economic3');
hideLayer('economic4');
hideLayer('economic5');
hideLayer('economic6');
hideLayer('economic7');
hideLayer('economic8');
hideLayer('economic9');
hideLayer('economic10');
hideLayer('economic11');
hideLayer('economic12');
hideLayer('economic13');
hideLayer('economic14');
hideLayer('economic15');
hideLayer('economic16');
hideLayer('economic17');
hideLayer('economic18');
hideLayer('economic19');
hideLayer('economic20');
hideLayer('economic21');
hideLayer('economic22');
}