//global variables

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

function setcurrent(){
var currentpage = document.getElementById("marketintro");
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('marketintro');
hideLayer('market1');
hideLayer('market2');
hideLayer('market3');
hideLayer('market4');
hideLayer('market5');
hideLayer('market6');
hideLayer('market7');
hideLayer('market8');
}