$(document).ready(function() {
    $("#buttoncontinue").click(function(){
        $("#currentquestion").fadeOut("slow");

        if($("input[name=customer]:checked").val() == "on")
            $("#accountnumber").fadeIn("slow");

        $("#contactform").slideDown("slow");
        $("#continuebox").fadeOut("slow");
        $("#resetsubmitbox").fadeIn("slow");
    });
});