' . t('Profile') . '

"; var_dump($a->user); killme();
	
	$channel = $a->get_channel();

	if (is_null($nickname))
		$nickname  = $channel['channel_address'];
		
	if(x($_GET,'tab'))
		$tab = notags(trim($_GET['tab']));
	
	$url = $a->get_baseurl() . '/channel/' . $nickname;
	$pr  = $a->get_baseurl() . '/profile/' . $nickname;

	$tabs = array(
		array(
			'label' => t('Channel'),
			'url'   => $url,
			'sel'   => ((argv(0) == 'channel') ? 'active' : ''),
			'title' => t('Status Messages and Posts'),
			'id'    => 'status-tab',
		),
		array(
			'label' => t('About'),
			'url' 	=> $pr,
			'sel'	=> ((argv(0) == 'profile') ? 'active' : ''),
			'title' => t('Profile Details'),
			'id'    => 'profile-tab',
		),
		array(
			'label' => t('Photos'),
			'url'	=> $a->get_baseurl() . '/photos/' . $nickname,
			'sel'	=> ((argv(0) == 'photos') ? 'active' : ''),
			'title' => t('Photo Albums'),
			'id'    => 'photo-tab',
		),
	);


	if ($is_owner){
		$tabs[] = array(
			'label' => t('Events'),
			'url'	=> $a->get_baseurl() . '/events',
			'sel' 	=> ((argv(0) == 'events') ? 'active' : ''),
			'title' => t('Events and Calendar'),
			'id'    => 'events-tab',
		);
		if(feature_enabled(local_user(),'webpages')){
		$tabs[] = array(
			'label' => t('Webpages'),
			'url'	=> $a->get_baseurl() . '/webpages/' . $nickname,
			'sel' 	=> ((argv(0) == 'webpages') ? 'active' : ''),
			'title' => t('Manage Webpages'),
			'id'    => 'webpages-tab',
		);}
	}
	else {
		// FIXME
		// we probably need a listing of events that were created by 
		// this channel and are visible to the observer


	}


	$arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
	call_hooks('profile_tabs', $arr);
	
	$tpl = get_markup_template('common_tabs.tpl');

	return replace_macros($tpl,array('$tabs' => $arr['tabs']));
}


function get_my_url() {
	if(x($_SESSION,'zrl_override'))
		return $_SESSION['zrl_override'];
	if(x($_SESSION,'my_url'))
		return $_SESSION['my_url'];
	return false;
}

function get_my_address() {
	if(x($_SESSION,'zid_override'))
		return $_SESSION['zid_override'];
	if(x($_SESSION,'my_address'))
		return $_SESSION['my_address'];
	return false;
}

/**
 * @function zid_init(&$a)
 *   If somebody arrives at our site using a zid, add their xchan to our DB if we don't have it already.
 *   And if they aren't already authenticated here, attempt reverse magic auth.
 *
 * @hooks 'zid_init'
 *      string 'zid' - their zid
 *      string 'url' - the destination url
 *
 */

function zid_init(&$a) {
	$tmp_str = get_my_address();
	if(validate_email($tmp_str)) {
		proc_run('php','include/gprobe.php',bin2hex($tmp_str));
		$arr = array('zid' => $tmp_str, 'url' => $a->cmd);
		call_hooks('zid_init',$arr);
		if((! local_user()) && (! remote_user())) {
			logger('zid_init: not authenticated. Invoking reverse magic-auth for ' . $tmp_str);
			$r = q("select * from hubloc where hubloc_addr = '%s' order by hubloc_id desc limit 1",
				dbesc($tmp_str)
			);
			// try to avoid recursion - but send them home to do a proper magic auth
			$dest = '/' . $a->query_string;
			$dest = str_replace(array('?zid=','&zid='),array('?rzid=','&rzid='),$dest);
			if($r && ($r[0]['hubloc_url'] != z_root()) && (! strstr($dest,'/magic')) && (! strstr($dest,'/rmagic'))) {
				goaway($r[0]['hubloc_url'] . '/magic' . '?f=&rev=1&dest=' . z_root() . $dest);
			}
			else
				logger('zid_init: no hubloc found.');
		}
	}
}

/**
 * @function zid($s,$address = '')
 *   Adds a zid parameter to a url
 * @param string $s
 *   The url to accept the zid
 * @param boolean $address
 *   $address to use instead of session environment
 * @return string
 *
 * @hooks 'zid'
 *      string url - url to accept zid
 *      string zid - urlencoded zid
 *      string result - the return string we calculated, change it if you want to return something else
 */


function zid($s,$address = '') {
	if(! strlen($s) || strpos($s,'zid='))
		return $s;
	$has_params = ((strpos($s,'?')) ? true : false);
	$num_slashes = substr_count($s,'/');
	if(! $has_params)
		$has_params = ((strpos($s,'&')) ? true : false);
	$achar = strpos($s,'?') ? '&' : '?';

	$mine = get_my_url();
	$myaddr = (($address) ? $address : get_my_address());

	// FIXME checking against our own channel url is no longer reliable. We may have a lot
	// of urls attached to out channel. Should probably match against our site, since we
	// will not need to remote authenticate on our own site anyway.

	if($mine && $myaddr && (! link_compare($mine,$s)))
		$zurl = $s . (($num_slashes >= 3) ? '' : '/') . $achar . 'zid=' . urlencode($myaddr);
	else
		$zurl = $s;

	$arr = array('url' => $s, 'zid' => urlencode($myaddr), 'result' => $zurl);
	call_hooks('zid', $arr);
	return $arr['result'];
}

// Used from within PCSS themes to set theme parameters. If there's a
// puid request variable, that is the "page owner" and normally their theme
// settings take precedence; unless a local user sets the "always_my_theme" 
// system pconfig, which means they don't want to see anybody else's theme 
// settings except their own while on this site.

function get_theme_uid() {
	$uid = (($_REQUEST['puid']) ? intval($_REQUEST['puid']) : 0);
	if(local_user()) {
		if((get_pconfig(local_user(),'system','always_my_theme')) || (! $uid))
			return local_user();
		if(! $uid)
			return local_user();
	}
	return $uid;
}