$(document).ready(function() {
    $("#working_w_realtor").change(function() {
        var answer = $("#working_w_realtor").val();
        if (answer == 'yes') {
            if ($("#workingWithRealtorDiv").css("display") == "none") {
                $("#workingWithRealtorDiv").toggle("slow");
            }
        } else {
            if ($("#workingWithRealtorDiv").css("display") == "block") {
                $("#workingWithRealtorDiv").toggle("fast");
            }
        }
    });
});