//global variables

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

function setcurrent(){
var currentpage = document.getElementById("taxbaseintro");
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('taxbaseintro');
hideLayer('taxbase1');
hideLayer('taxbase2');
hideLayer('taxbase3');
hideLayer('taxbase4');
hideLayer('taxbase5');
hideLayer('taxbase6');
hideLayer('taxbase7');
hideLayer('taxbase8');
}