Remove Powered by PrestaShop on main shop

In 
modules/blockvariouslinks/blockvariouslinks.tpl
or
module/blockcms/blockcms.tpl 
comment line 59


...{l s='Powered by' mod='blockcms'}...

Change logo when changing languages

1. create logo for each language and save it to /img folder, with following name

logo_en.jpg
logo_ro.jpg

2. change following line in /themes/prestashop/header.tpl

<h1 id="logo"><a href="{$base_dir}" title="{$shop_name|escape:'htmlall':'UTF-8'}"><img src="{$img_ps_dir}logo.jpg" alt="{$shop_name|escape:'htmlall':'UTF-8'}">a>h1>

in

<h1 id="logo"><a href="{$base_dir}" title="{$shop_name|escape:'htmlall':'UTF-8'}"><img src="{$img_ps_dir}logo_{$lang_iso}.jpg" alt="{$shop_name|escape:'htmlall':'UTF-8'}">a>h1>

Prestashop modify logo and link when click logo

in /themes/prestashop/header.tpl

go to line

<h1 id="logo"><a href="{$base_dir}" title="{$shop_name|escape:'htmlall':'UTF-8'}"><img src="{$img_ps_dir}logo.png" alt="{$shop_name|escape:'htmlall':'UTF-8'}">a>h1>

Radio GSP s-a lansat in online

Radio GSP - cel mai bun radio online de sport il puteti asculta live la adresa http://www.tvy.ro/radio/Radio-GSP

Validate_password

function validate_password($password, $min_char = 4, $max_char = 20)
{
$password = trim($password);
return $eregi = eregi('^[a-zA-Z0-9_]{'.$min_char.','.$max_char.'}$', $password);
}

if (validate_password($password)==false)
{$error[]="Wrong password";}

PHP validate email

function isValidEmail($email){
return eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$", $email);
}

$email=mysql_real_escape_string($_POST['email']);
if (isValidEmail($email)==true) echo "OK";
if (isValidEmail($email)==false) echo "Not Okay";
?>