function ShowMenu(strObj) {
    HideMenus();
    document.getElementById('Nav-' + strObj).style.display = 'block';
    document.getElementById('Tab-' + strObj).className = 'Tab-' + strObj;
}

function HideMenus() {
    document.getElementById('Nav-Brand').style.display = 'none'
    document.getElementById('Tab-Brand').className = '';

    document.getElementById('Nav-Category').style.display = 'none'
    document.getElementById('Tab-Category').className = '';

    document.getElementById('Nav-Region').style.display = 'none'
    document.getElementById('Tab-Region').className = '';

    document.getElementById('Nav-SpecialistFoods').style.display = 'none'
    document.getElementById('Tab-SpecialistFoods').className = '';

    document.getElementById('Nav-SpecialOffers').style.display = 'none'
    document.getElementById('Tab-SpecialOffers').className = '';

    document.getElementById('Nav-Recipes').style.display = 'none'
    document.getElementById('Tab-Recipes').className = '';
}

function ClearSearch() {
    document.getElementById('searchfield').value = '';
}