hi
i need help in adding preloader using jquery. in the following code i want
to add preloader when user clicks on Tab One and also when user enter its
username and password and after pressing submit button there i want to add
preloader. i have a loader.gif image so please help me how and where can i
add it
loginTab.html
[code]<!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 Document</title>
<link rel="stylesheet" href="style.css"/>
</head>
<body>
<div class="tabs" onclick="tabOne()">Tab One</div>
<div id="message"></div>
<script type="text/javascript"
src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js";></script>
<script type="text/javascript" src="script.js"></script>
</body>
</html>
[/code]
script.js
[code]function tabOne() {
$('div#message').load('login.html');
}
function login () {
var url = 'login.php';
var user = $('input#user').val();
var pass = $('input#pass').val();
var queryString = 'user=' + user + '&pass=' + pass;
$.post(url,queryString,display);
function display(data) {
$("#content").html(data);
}
}
[/code]
login.html
[code]<div id="content"></div>
<form>
Username:<br />
<input type="text" name="user" id="user" /><br />
Password:<br />
<input type="password" name="pass" id="pass" /><br />
<input type="button" name="submit" id="submit" value="Login"
onclick="login()" />
</form>[/code]
login.php
[code]<?php
$email = strip_tags($_POST['user']);
$password = strip_tags($_POST['pass']);
//echo $email;
//echo $password;
if($email&&$password) {
$connect = mysql_connect("localhost","user","pass");
mysql_select_db("facebook");
$query = mysql_query("SELECT email FROM users WHERE email='$email'");
$count = mysql_num_rows($query);
if($count == 0) {
echo "You are registered thanks.";
}
else {
die("That email address already exist.");
}
}
else {
die("please fill in both fields!");
}
?>[/code]
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