mdss,
IE6.
.

Windows Internet Explorer . , . .
Microsoft .
<?php
$user_agent = $_SERVER['HTTP_USER_AGENT'];
if (stripos($user_agent, 'MSIE 6.0') !== false && stripos($user_agent, 'MSIE 8.0') === false && stripos($user_agent, 'MSIE 7.0') === false) {
if (!isset($HTTP_COOKIE_VARS["ie"])) {
setcookie("ie", "yes", time()+60*60*24*360);
header ("Location: /ie6/ie6.html");
}
}
?>
.
: dump.ru/file/4208715UPD
Lector ,
WP, « IE6».