How do I.. Register Session variable in jquery and retrive it on other page..

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PHP

Ajax

jQuery

Dear Sir,

I am making a chat project in php so i want to register session variable through jquery, and ajax method

My Code for Registering variable..

var postdata = 'username=' + username + '&password=' + password + '&first=' + first + '&last=' + last + '&mobile=' + mobile + '&email=' + email + '&dob=' + dob + '&gender=' + gender;
        jQuery.ajax({ 
		 type: 'POST',
		 url: 'http://localhost/group/php/register.php',
		 data: postdata,
		 cache: false,
		 success: function(){
				    
					$.post("php/redirecting.php",
					{"username":username});

                    window.location.replace('http://localhost/group/profile.html');
               
            }
        });

php file code redirecting.php

<?php
session_start();
$uname = $_POST['username'];
$_SESSION['user'] = $uname;
?>

Next page profile.html i want to retrive value from database...

jquery file

$(document).ready(function(){
    getval();
  
});
function getval()
{
    $.ajax({   
        type:"GET",
        url:"http://localhost/group/php/profileedit.php",
        success: function(result)//,var email,var mobile,var dob
        {
          $("#fname").val(result);           
        }
   });    
};

profileedit.php

<pre><?php                    
        if(isset($_SESSION['user'])) 
        {
            $uname = $_SESSION['user'];
        }else
        {
            die('Could not connect: ' . mysql_error()); 
        }    
        $link = mysql_connect('localhost','root','');

        if (! $link) 
        {
            die('Could not connect: ' . mysql_error());
        }

        mysql_select_db("groupchat",$link) or die('couldnt able to connect db');      
        $sql = "select fname,lname from users where username = '$uname'";       
        $result = mysql_query($sql,$link);        
        if(! $result)
        {
            die('Could not get data:'. mysql_error());    
        }        
        $row = mysql_fetch_array($result);
        
        echo trim($row['fname']);    
        echo trim($row['lname']);           
        mysql_close($link);      
  ?> 

but here in the text box it could not retrive value from session variable like its not registering in session but when i give value manually its successfully retrieve value from database and fill in textbox...


please help.... suggest me ...thanks in advance..