function submitForm (elementName) {
    //if make is changed, then need to set mode and type to any, otherwise it will remember the previous choice
    if (elementName == 'make') {
        document.getElementById('model').selectedIndex=0;
        document.getElementById('type').selectedIndex=0;
    } else if (elementName == 'model') {
        document.getElementById('type').selectedIndex=0;
    }
    document.getElementById('searchButton').click();
}

function formReset() {
    document.getElementById('make').selectedIndex=0;
    document.getElementById('model').selectedIndex=0;
    document.getElementById('type').selectedIndex=0;
    document.getElementById('yearMin').selectedIndex=0;
    document.getElementById('yearMax').selectedIndex=0;
    document.getElementById('fuelType').selectedIndex=0;
    document.getElementById('transmission').selectedIndex=0;
    document.getElementById('mileageMin').selectedIndex=0;
    document.getElementById('mileageMax').selectedIndex=0;
    document.getElementById('priceMin').selectedIndex=0;
    document.getElementById('priceMax').selectedIndex=0;
    document.getElementById('enginePowerKWMin').selectedIndex=0;
    document.getElementById('enginePowerKWMax').selectedIndex=0;
    return false;
    
}