Form submission, auto-submit field names

HTML

<form name="enterVitals" action="">
    <fieldset>
        <br />
        <legend>Enter Vitals</legend>
        <fieldset>
            <legend>Blood Pressure</legend>
            <label>
                Diastolic:
                <input type="text" name="diastolic" size="10" />
            </label>
            <br />
            <label>
                Systolic:
                <input type="text" name="systolic" size="10" />
            </label>
            <br />
        </fieldset>
        <br />
        <br />
        <fieldset>
            <legend></legend>
            <label>
                Heart Rate:
                <input type="text" name="heartRate" size="10" />
            </label>
            <br />
        </fieldset>
        <br />
        <br />
        <fieldset>
            <legend>Temperature</legend>
            <label>
                Temperature(F&deg;):
                <input type="text" name="tempF" size="10" />
            </label>
            <br />
            <label>
                Temperature(C&deg;):
                <input type="text" name="tempC" size="10" />
            </label>
            <br />
        </fieldset>
        <br />
        <br />
        <fieldset>
            <legend>Weight</legend>
            <label>
                Weight(lbs):
                <input type="text" name="weightlbs" size="10" />
            </label>
            <br />
            <label>
                Weight(kgs):
                <input type="text" name="weightkgs" size="10" />
            </label>
            <br />
        </fieldset>
        <br />
        <br />
        <fieldset>
            <legend>Height</legend>
            <label>
                Height(Inches):
                <input type="text" name="heightInches" size="10" />
            </label>
            <br />
            <label>
                Height(Cms):
                <input type="text" name="heightCms" size="10" />
            </label>
            <br />
       ...

CSS

<style>
padding:5px;
margin:5px;
</style>

JavaScript 1.7

$("#addVitalRecord").click(function() {
    var $formVital = $(this).closest("form");
    var data = {}; 
    $.map($(":text", $formVital), function (n, i) { data[n.name] = $(n).val(); });
    $.post(
        'postVitals.php',
        data,
        function(response) {
            $("#vitalListing").load("vitalsPull.php");
            $formVital.find(":text").val("");
        }
    );
    return false;
});