// JavaScript Document
function hideDiv() {
document.getElementById('MainNav1').style.height = "28px";
document.getElementById('MainNav1').style.visibility = "hidden";
document.getElementById('Category1').style.visibility = "visible";
document.getElementById('Category1').style.height = "";

document.getElementById('MainNav2').style.height = "28px";
document.getElementById('MainNav2').style.visibility = "hidden";
document.getElementById('Category2').style.visibility = "visible";
document.getElementById('Category2').style.height = "";

document.getElementById('MainNav3').style.height = "28px";
document.getElementById('MainNav3').style.visibility = "hidden";
document.getElementById('Category3').style.visibility = "visible";
document.getElementById('Category3').style.height = "";

document.getElementById('MainNav4').style.height = "28px";
document.getElementById('MainNav4').style.visibility = "hidden";
document.getElementById('Category4').style.visibility = "visible";
document.getElementById('Category4').style.height = "";

document.getElementById('MainNav5').style.height = "28px";
document.getElementById('MainNav5').style.visibility = "hidden";
document.getElementById('Category5').style.visibility = "visible";
document.getElementById('Category5').style.height = "";

document.getElementById('MainNav6').style.height = "28px";
document.getElementById('MainNav6').style.visibility = "hidden";
document.getElementById('Category6').style.visibility = "visible";
document.getElementById('Category6').style.height = "";

document.getElementById('MainNav7').style.height = "28px";
document.getElementById('MainNav7').style.visibility = "hidden";
document.getElementById('Category7').style.visibility = "visible";
document.getElementById('Category7').style.height = "";

document.getElementById('MainNav8').style.height = "28px";
document.getElementById('MainNav8').style.visibility = "hidden";
document.getElementById('Category8').style.visibility = "visible";
document.getElementById('Category8').style.height = "";

}

function showDiv(n) {
hideDiv();
document.getElementById('MainNav' + n).style.height = "";
document.getElementById('MainNav' + n).style.visibility = "visible";
document.getElementById('Category' + n).style.visibility = "hidden";
}