Possible Duplicate:
How can I upload files asynchronously with jQuery?
How to use ajax post a upload file sametime I need to post a string check = 1?
data: fd + '&check=' + 1, this is not work.  any suggestion?
Thanks.
var uf =$('.formname');
var fd = new FormData(formname);    
$.ajax({
    type: "POST",
    url: 'http://example.com/script.php',
    data: fd,
    processData: false,
    contentType: false,
    success: function(data){
    }
});
php
if($_FILES && $_POST['check'] == 1)
 
     
     
    