$('#state').html('');
$('.state').hide();
$('select#country').change(function() {
checkCountry();
});
function checkCountry() {
currentCountry = $('select#country option:selected').text();
if (currentCountry == 'United States') {
$('#state').html('');
$('.state').show();
} else if (currentCountry == 'Canada') {
$('#state').html('');
$('.state').show();
} else {
$('.state').hide();
$('#state').html('');
};
}
$(document).ready(function() {
checkCountry();
});