--- a/js/flotr2/spec/js/test-background.js
+++ b/js/flotr2/spec/js/test-background.js
@@ -1,69 +1,77 @@
 (function () {
 
-Flotr.ExampleList.add({
-  key : 'test-background',
-  name : 'Test Background',
-  callback : test_background,
-  timeout : 100, 
-  tolerance : 10
-});
+    Flotr.ExampleList.add({
+        key: 'test-background',
+        name: 'Test Background',
+        callback: test_background,
+        timeout: 100,
+        tolerance: 10
+    });
 
-function test_background (container) {
+    function test_background(container) {
 
-  var
-    d1 = [],
-    d2 = [],
-    d3 = [],
-    d4 = [],
-    d5 = [],                        // Data
-    ticks = [[ 0, "Lower"], 10, 20, 30, [40, "Upper"]], // Ticks for the Y-Axis
-    graph;
-        
-  for(var i = 0; i <= 10; i += 0.1){
-    d1.push([i, 4 + Math.pow(i,1.5)]);
-    d2.push([i, Math.pow(i,3)]);
-    d3.push([i, i*5+3*Math.sin(i*4)]);
-    d4.push([i, i]);
-    if( i.toFixed(1)%1 == 0 ){
-      d5.push([i, 2*i]);
+        var
+            d1 = [],
+            d2 = [],
+            d3 = [],
+            d4 = [],
+            d5 = [],                        // Data
+            ticks = [
+                [ 0, "Lower"],
+                10,
+                20,
+                30,
+                [40, "Upper"]
+            ], // Ticks for the Y-Axis
+            graph;
+
+        for (var i = 0; i <= 10; i += 0.1) {
+            d1.push([i, 4 + Math.pow(i, 1.5)]);
+            d2.push([i, Math.pow(i, 3)]);
+            d3.push([i, i * 5 + 3 * Math.sin(i * 4)]);
+            d4.push([i, i]);
+            if (i.toFixed(1) % 1 == 0) {
+                d5.push([i, 2 * i]);
+            }
+        }
+
+        d3[30][1] = null;
+        d3[31][1] = null;
+
+        function ticksFn(n) {
+            return '(' + n + ')';
+        }
+
+        graph = Flotr.draw(container, [
+            { data: d1, label: 'y = 4 + x^(1.5)', lines: { fill: true } },
+            { data: d2, label: 'y = x^3'},
+            { data: d3, label: 'y = 5x + 3sin(4x)'},
+            { data: d4, label: 'y = x'},
+            { data: d5, label: 'y = 2x', lines: { show: true }, points: { show: true } }
+        ], {
+            xaxis: {
+                noTicks: 7,              // Display 7 ticks.
+                tickFormatter: ticksFn,  // Displays tick values between brackets.
+                min: 1,                  // Part of the series is not displayed.
+                max: 7.5                 // Part of the series is not displayed.
+            },
+            yaxis: {
+                ticks: ticks,            // Set Y-Axis ticks
+                max: 40                  // Maximum value along Y-Axis
+            },
+            grid: {
+                verticalLines: false,
+                backgroundImage: {
+                    src: 'img/test-background.png?' + Math.random()
+                }
+            },
+            legend: {
+                position: 'nw'
+            },
+            title: 'Basic Axis example',
+            subtitle: 'This is a subtitle'
+        });
     }
-  }
-        
-  d3[30][1] = null;
-  d3[31][1] = null;
-
-  function ticksFn (n) { return '('+n+')'; }
-
-  graph = Flotr.draw(container, [ 
-      { data : d1, label : 'y = 4 + x^(1.5)', lines : { fill : true } }, 
-      { data : d2, label : 'y = x^3'}, 
-      { data : d3, label : 'y = 5x + 3sin(4x)'}, 
-      { data : d4, label : 'y = x'},
-      { data : d5, label : 'y = 2x', lines : { show : true }, points : { show : true } }
-    ], {
-      xaxis : {
-        noTicks : 7,              // Display 7 ticks.
-        tickFormatter : ticksFn,  // Displays tick values between brackets.
-        min : 1,                  // Part of the series is not displayed.
-        max : 7.5                 // Part of the series is not displayed.
-      },
-      yaxis : {
-        ticks : ticks,            // Set Y-Axis ticks
-        max : 40                  // Maximum value along Y-Axis
-      },
-      grid : {
-        verticalLines : false,
-        backgroundImage : {
-          src : 'img/test-background.png?' + Math.random()
-        }
-      },
-      legend : {
-        position : 'nw'
-      },
-      title : 'Basic Axis example',
-      subtitle : 'This is a subtitle'
-  });
-}
 
 })();