jQuery: Post form with out reload the page using jquery.

[code language=”javascript”]
$(".submit").click(function (){
var fname = $(this).val();
var dataString = ‘fname=’+ fname;
$.ajax({
type: "POST",
url: "addtodb.php",
data: dataString,
success: function(){
$(‘.successk’).fadeIn().show();
}
});
return answer;
});
[/code]