function SKIN()
{
global $this_page;
if ($this_page == "skin" && get_http_var("newskin") != "") {
// We only allow the reskinning on the "skin" page.
$this->new_skin(get_http_var("newskin"));
} else {
$this->set_skin(get_cookie_var("skin"));
}
}
function logout($returl)
{
// $returl is the URL to redirect the user to after log in, generally the
// page they were on before. But if it doesn't exist, they'll just go to
// the front page.
if ($returl == '') {
$URL = new URL("home");
$returl = $URL->generate();
}
// get_cookie_var() is in includes/utility.php
if (get_cookie_var("epuser_id") != "") {
// They're logged in, so set the cookie to empty.
header("Location: {$returl}");
setcookie('epuser_id', '', time() - 86400, '/', COOKIEDOMAIN);
}
}
voteerror("You are not allowed to rate Hansard items");
}
// Make sure the vote is a valid format.
if ($vote != '1' && $vote != '0') {
voteerror("That is not a valid vote.");
}
// Make sure it's a valid epobject_id.
$q = $db->query("SELECT epobject_id FROM epobject WHERE epobject_id='" . addslashes($epobject_id) . "'");
if ($q->rows() != 1) {
voteerror("We need a valid epobject id.");
}
// Check the user hasn't voted on this before.
if (!$THEUSER->isloggedin()) {
// User isn't logged in, so try to get the user's previously
// voted on epobjects from their cookie.
$votecookie = get_cookie_var("epvotes");
// $votecookie will be a string of integers (epobject_ids) separated
// by '+' symbols.
if ($votecookie != '') {
// We're not checking the validity of the contents of $votecookie,
// just doing it.
$prev_epvotes = explode('+', $votecookie);
} else {
$prev_epvotes = array();
}
if (in_array($epobject_id, $prev_epvotes)) {
voteerror("You have already rated this item. You can only rate something once.");
}
// Vote!
$q = $db->query("SELECT epobject_id FROM anonvotes WHERE epobject_id = '" . addslashes($epobject_id) . "'");
if ($q->rows() == 1) {
