// this gets called on mobile devices for the catogories menu
function displayItem( itemID ) {
var item = document.getElementById( itemID ); if (item === undefined) { item = 'dropdownContent' ; } ; item.classList.toggle('display-none');
}
// this gets called on mobile devices for the catogories menu
function displayItem( itemID ) {
var item = document.getElementById( itemID ); if (item === undefined) { item = 'dropdownContent' ; } ; item.classList.toggle('display-none');
}