Retrieve data via jquery
http://stackoverflow.com/questions/10282298/populate-fields-when-user-submit-forms-without-page-refresh-using-jquery/10282592#10282592
HTML
<form method="get" id="hCardForm">
<label for="yourName">Your name</label>
<input name="yourName" id="yourName" type="text">
<button type="submit" id="butt">Submit</button>
</form>
<div id="result">
<span class="rName"></span>
</div>
JavaScript
$('#butt').onclick(function() {
event.preventDefault();
var rName = $('#yourName').val();
$('.rName').text(rName);
});