--- a/views/hello_template.tpl	Wed Jul 22 10:25:27 2015 +0200
+++ b/views/hello_template.tpl	Wed Jul 22 10:47:55 2015 +0200
@@ -24,7 +24,7 @@
     # size of tiles  #
     ##################
 
-    number_of_rows = 3
+    number_of_rows = 2
 
     #################
     # viewport size #
@@ -44,40 +44,46 @@
 %>
 
 <script type="text/javascript">
-    
+
     var global_width;
     var global_height;
     var tile_width;
     var tile_height;
-    
+
     var tiles = document.getElementsByClassName("tile");
     var border_width = 1;
     var space_between_tiles = 8;
-    
+
     var space_lr_borders;
     var space_lr_margin;
-    
+
     function calc_tile_with(){
         var tiles_per_row = Math.floor(tiles.length / {{number_of_rows}});
-        var distance = (space_between_tiles*2) + (border_width*2)
+        var distance = (space_between_tiles*2) + (border_width*2);
         var tile_width = ((global_width / tiles_per_row ) - distance);
         return tile_width;
     }
-    
+
+    function calc_tile_height(){
+        var distance = (space_between_tiles*2) + (border_width*2);
+        var tile_height = ((global_height / {{number_of_rows}} ) - distance);
+        return tile_height;
+    }
+
     function resize_content(){
         global_width = document.getElementById("content").clientWidth;
         global_height = document.getElementById("content").clientHeight;
-        
-        
+
+
         tile_width = calc_tile_with();
-        tile_height = (global_height / {{number_of_rows}});
-        
+        tile_height = calc_tile_height();
+
         for(var tile = 0; tile < tiles.length; tile++){
             tiles[tile].style.width= tile_width + 'px';
             tiles[tile].style.height= tile_height + 'px';
         }
     }
-    
+
     window.onresize = function(){
         resize_content();
     }
@@ -85,7 +91,7 @@
     document.addEventListener("DOMContentLoaded", function(event) {
         resize_content();
     });
-        
+
 </script>
 
 <style>
@@ -94,7 +100,7 @@
         padding: 0 auto;
         font-family: "Lucida Console", Monaco, monospace;
     }
-    
+
     body {
         overflow: hidden;
     }
@@ -191,4 +197,4 @@
         % end
 
     </div>
-</div>
\ No newline at end of file
+</div>