var path = location.pathname;
function navSelect(navLocation) {
    var locateNav = document.getElementById('MenuSelect').children[navLocation];
    locateNav.className += ' selected';
}
function navSubSelect(navLocation) {
    var locateNav = document.getElementById('subMenu').children[navLocation];
    locateNav.className += ' selected';
}

if (path == "/CustomCompositeManufacturing.aspx") {
    navSelect(0);
} else if (path == "/FilamasterProducts.aspx") {
    navSelect(1);
} else if (path == "/ManufacturingCapabilities.aspx") {
    navSelect(2);
} else if (path == "/Company.aspx") {
    navSelect(3);
} else if (path == "/Contact.aspx") {
    navSelect(4);
} else if (path == "/Products/TankSeries.aspx"){
    navSubSelect(0);
} else if (path == "/Products/PipeSeries.aspx"){
    navSubSelect(1)
} else if (path == "/Products/DuctSeries.aspx"){
    navSubSelect(2)
}