function showInveMenu() {
    document.getElementById('InveMenu').style.display = '';
    document.getElementById('InveMenu').style.visibility = '';
    document.getElementById('BuyMenu').style.visibility = 'hidden';
    document.getElementById('BuyMenu').style.display = 'none';
    document.getElementById('SellMenu').style.visibility = 'hidden';
    document.getElementById('SellMenu').style.display = 'none';
}
function ClearMenu() {
    document.getElementById('InveMenu').style.visibility = 'hidden';
    document.getElementById('InveMenu').style.display = 'none';
    document.getElementById('BuyMenu').style.visibility = 'hidden';
    document.getElementById('BuyMenu').style.display = 'none';
    document.getElementById('SellMenu').style.visibility = 'hidden';
    document.getElementById('SellMenu').style.display = 'none';
}
function showBuyMenu() {
    document.getElementById('BuyMenu').style.display = '';
    document.getElementById('BuyMenu').style.visibility = '';
    document.getElementById('SellMenu').style.visibility = 'hidden';
    document.getElementById('SellMenu').style.display = 'none';
    document.getElementById('InveMenu').style.visibility = 'hidden';
    document.getElementById('InveMenu').style.display = 'none';
}
function showSellMenu() {
    document.getElementById('SellMenu').style.display = '';
    document.getElementById('SellMenu').style.visibility = '';

    document.getElementById('BuyMenu').style.visibility = 'hidden';
    document.getElementById('BuyMenu').style.display = 'none';
    document.getElementById('InveMenu').style.visibility = 'hidden';
    document.getElementById('InveMenu').style.display = 'none';
}