function hide_them_all() {
document.getElementById("zipcode_options").style.display = "none";
document.getElementById("city_options").style.display = "none";
document.getElementById("state_options").style.display = "none";


    }

    function init_options() {
        hide_them_all();
        if (document.getElementById("radio_zipcode").checked) {
document.getElementById("zipcode_options").style.display = "block";
 } else 
if (document.getElementById("radio_city").checked) {
document.getElementById("city_options").style.display = "block";
 } else 
if (document.getElementById("radio_state").checked) {
document.getElementById("state_options").style.display = "block";
 } else 

        {
            ;
        }
    }