Form Submission Without Reload

$(function() {
$('form#whateveryourformidis').submit(function() {
var form = $(this);
$.ajax({
    url: '/process.php', //enter the relative path to the process.php file
    type: 'post', //whether you want to use $_GET or $_POST in your script
    data: form.serialize(),
    error: function() {
        //what to do on an error                        
    },
    success: function(html) {
        form.closest('div')
            .html(html);
    }
});

return false;
});
});

<div ...>
  <form ...>
     ....
  </form>
</div>

function switchContent (theitem) {
    var myurl = "blah blah";
    var piece = theitem;
    var page_load = myurl + piece;
$(document).ready(function(){
        $('#area').fadeOut('slow', function(){
            $(this).load(page_load, function(){
                $(this).fadeIn("slow");
            }); 
        });
});
}

function switchContent (theitem) {
    var myurl = "blah blah";
    var piece = theitem;
    var page_load = myurl + piece;
$(document).ready(function(){
        $('#area').fadeOut('slow', function(){
            $(this).load(page_load, function(){
                $(this).fadeIn("slow");
            }); 
        });
});
return false;
}

<a href="#" onclick="switchContent('URL HERE')">text here</a>

$(document).ready(function(){