update the select jquery code example
Example 1: jQuery change select value
$("#mySelectElementID").val("my_new_value"); //change selected option/value with jQuery
Example 2: click select option to update div jquery
$('#choose').change(function(event) {
$.post('info.php', { selected: $('#choose').val() },
function(data) {
$('#update').html(data);
}
);
});