3 files changed, 8 insertions, 14 deletions
diff --git a/lib/tpl/dokuwiki/css/mobile.css b/lib/tpl/dokuwiki/css/mobile.css
index cc61ab06c..ea32fb11d 100644
--- a/lib/tpl/dokuwiki/css/mobile.css
+++ b/lib/tpl/dokuwiki/css/mobile.css
@@ -5,18 +5,16 @@
  * @author Anika Henke <anika@selfthinker.org>
  */
 
-/* for detecting media queries in JavaScript (see script.js): */
-#screen__mode {
-    position: relative;
-    z-index: 0;
+body {
+    min-height: 0; /* for detecting media queries in JavaScript (see script.js): */
 }
 
 /* up to 979px screen widths
 ********************************************************************/
 @media only screen and (max-width: 979px) {
 
-#screen__mode {
-    z-index: 1; /* for detecting media queries in JavaScript (see script.js) */
+body {
+    min-height: 1px; /* for detecting media queries in JavaScript (see script.js) */
 }
 
 /* structure */
@@ -117,12 +115,9 @@
 ********************************************************************/
 @media only screen and (max-width: 480px) {
 
-#screen__mode {
-    z-index: 2; /* for detecting media queries in JavaScript (see script.js) */
-}
-
 body {
     font-size: 100%;
+    min-height: 2px; /* for detecting media queries in JavaScript (see script.js) */
 }
 
 /*____________ structure ____________*/
diff --git a/lib/tpl/dokuwiki/main.php b/lib/tpl/dokuwiki/main.php
index 6b1e95d62..2406a206b 100644
--- a/lib/tpl/dokuwiki/main.php
+++ b/lib/tpl/dokuwiki/main.php
@@ -91,7 +91,6 @@ $showSidebar = $hasSidebar && ($ACT=='show');
     </div></div><!-- /site -->
 
     <div class="no"><?php tpl_indexerWebBug() /* provide DokuWiki housekeeping, required in all templates */ ?></div>
-    <div id="screen__mode" class="no"></div><?php /* helper to detect CSS media query in script.js */ ?></div>
     <!--[if ( lte IE 7 | IE 8 ) ]></div><![endif]-->
 </body>
 </html>
diff --git a/lib/tpl/dokuwiki/script.js b/lib/tpl/dokuwiki/script.js
index 3ed8dbabe..ec6e5285e 100644
--- a/lib/tpl/dokuwiki/script.js
+++ b/lib/tpl/dokuwiki/script.js
@@ -13,16 +13,16 @@ var device_classes = 'desktop mobile tablet phone';
 function tpl_dokuwiki_mobile(){
 
     // the z-index in mobile.css is (mis-)used purely for detecting the screen mode here
-    var screen_mode = jQuery('#screen__mode').css('z-index');
+    var screen_mode = jQuery('body').css('min-height');
 
     // determine our device pattern
     // TODO: consider moving into dokuwiki core
     switch (screen_mode) {
-        case '1':
+        case '1px':
             if (device_class.match(/tablet/)) return;
             device_class = 'mobile tablet';
             break;
-        case '2':
+        case '2px':
             if (device_class.match(/phone/)) return;
             device_class = 'mobile phone';
             break;