* JS function executed on: onSubmit
....
// (ajax using jquery.js)
alert('before ajax');
$(document).ready(function(){
	alert('in ajax');
	$.post(
			"stat.php",
			{//post
				id: "<?=$intrebare->id?>)",
				cap: "<?=$intrebare->capitol?>",
				answer: "1"
     		},
     		function(data){
     			alert("in-in");
			   	alert("Data : " + data);
			}
    );

});
alert('after ajax');

return false;
...


*************** stat.php
<?php
print_r($_POST);
?>