Have 3+ radio buttons that correspond to additional infomation/form elements. The value of each radio button corresponds to a div in the #grounds_more div. This hides all visible divs, then shows the desired one. Toggle doesn't cut it for 3+ items.

radioToggleMultiple.js

$("input[name='grounds']:radio").change( function () {
    var val, obj;
    
    val = $(this).val();
    obj = $('#' + val);
    
    $("#grounds_more > div:visible").fadeOut(300, function () {
        obj.fadeIn(300);
    });
});