fix some php warnings

includes/pages/user_news.php

@@ -31,7 +31,7 @@ function user_meetings() {
 function display_news($news) {
 	global $privileges, $p;
 
-	$html .= "";
+	$html = "";
 	$html .= '<article class="news' . ($news['Treffen'] == 1 ? ' meeting' : '') . '">';
 	$html .= '<details>';
 	$html .= date("Y-m-d H:i", $news['Datum']) . ', ';
@@ -132,7 +132,7 @@ function user_news() {
 	$html .= Get_Text(5);
 
 	for ($i = 0; $i < $dis_rows; $i++) {
-		if ($i == $_REQUEST['page'])
+		if (isset($_REQUEST['page']) && $i == $_REQUEST['page'])
 			$html .= ($i +1) . "&nbsp; ";
 		else
 			$html .= '<a href="' . page_link_to("news") . '&page=' . $i . '">' . ($i +1) . '</a>&nbsp; ';

includes/pages/user_shifts.php

@@ -282,6 +282,8 @@ function view_user_shifts() {
 		$_SESSION['user_shifts']['days'] = array (
 			date('Y-m-d')
 		);
+	if (!isset ($_SESSION['user_shifts']['rooms']) || count($_SESSION['user_shifts']['rooms']) == 0)
+	  $_SESSION['user_shifts']['rooms'] = array(0);
 
 	$shifts = sql_select("SELECT `Shifts`.*, `Room`.`Name` as `room_name` FROM `Shifts` JOIN `Room` USING (`RID`)
 																					WHERE `Shifts`.`RID` IN (" . implode(',', $_SESSION['user_shifts']['rooms']) . ")

includes/sys_template.php

@@ -14,7 +14,7 @@ $themes = array (
 	"8" => "Pastel Style",
 	"4" => "Test Style",
 	"9" => "Test Style 21c3",
-	"10" => "msquare (cccamp2011)",
+	"10" => "Engelsystem 2.0",
 	"11" => "msquare (28c3)"
 );