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Wyana · 27-03-2008, 12:41 AM

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http://www.joeabiraad.com/demos/ajax1/

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Wcc · 27-03-2008, 12:21 PM

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Downloading jQuery - jQuery JavaScript Library

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Untitled 1</title> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript">

$(document).ready(function() {
    $('#usernameLoading').hide();
    $('#username').blur(function(){
      $('#usernameLoading').show();
      $.post("check.php", {
        username: $('#username').val()
      }, function(response){        
        setTimeout("finishAjax('usernameResult', '"+escape(response)+"')", 500);
      });
        return false;
    });
});

function finishAjax(id, response) {
  $('#usernameLoading').hide();
  $('#'+id).html(unescape(response));
  $('#'+id).fadeIn();
} 
</script> </head> <body> <fieldset><legend>Registration Form</legend> <form action="check_username.htm" method="post"> <p><label for="username">Username:</label> <input type="text" name="username" id="username" /> <span id="usernameLoading"><img src="indicator.gif" alt="Ajax Indicator" /></span><span id="usernameResult"></span></p> <p><label for="password">Password:</label> <input type="password" name="password" id="password"/></p> <p><input type="submit" name="submit" value="Sign Up!" /></p> </form> </fieldset> </body> </html>

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  <?php

require "msconfig.php";

$username = $_POST['username']; // get the username
$username = trim(htmlentities($username)); // strip some crap out of it

  echo check_username();

  function check_username(){

        $SQL= @mysql_query ("select username from wcc_users where username = '$_POST[username]'");
        $nSQL = mysql_num_rows($SQL);

        if($nSQL > 0)
        {
            return '<img src="bad.gif"><span style="color:#f00">&nbsp;&nbsp;��� ����� ��� �����</span>';
        }else{
            return '<img src="good.gif"><span style="color:#0c0">&nbsp;��� ����� ������</span>';
        }
  }

?>

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Wyana · 28-03-2008, 02:55 AM

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Wyana · 28-03-2008, 07:01 AM

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Wcc · 08-04-2008, 10:57 PM

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