diff --git a/melpomene.js b/melpomene.js
index 8689592..87a73ab 100644
--- a/melpomene.js
+++ b/melpomene.js
@@ -231,7 +231,7 @@ function previousPagesWidth(pageNumber)
 function initReader()
 {
     VERSION_DISPLAY.innerText = VERSION_DISPLAY.innerText.replace("Unknown version", MELPOMENE_VERSION);
-    
+
     loadZoomsFromImgTagsIfRequired();
     moveReaderDisplayToZoom(0);
 
@@ -246,7 +246,7 @@ function initReader()
                     entry.target.style.opacity = 1;
                     entry.target.style.visibility = "visible";
                 }
-                
+
                 else
                 {
                     entry.target.style.opacity = 0;
@@ -307,7 +307,7 @@ function moveReaderDisplayToArea(pageNumber, oWidth, oHeight, oPosx, oPosy)
         width = width + posx;
         posx = 0;
     }
-    
+
     if ((posx + width) > pageOriginalWidth(pageNumber))
     {
         width = pageOriginalWidth(pageNumber) - posx;
@@ -319,7 +319,7 @@ function moveReaderDisplayToArea(pageNumber, oWidth, oHeight, oPosx, oPosy)
         height = height + posy;
         posy = 0;
     }
-    
+
     if ((posy + height) > pageOriginalHeight(pageNumber))
     {
         height = pageOriginalHeight(pageNumber) - posy;
@@ -359,7 +359,7 @@ function moveReaderDisplayToArea(pageNumber, oWidth, oHeight, oPosx, oPosy)
 
         updateFocusByWidth(scaledWidth);
     }
-    
+
     else
     {
         // Frame narower than zoom => scale so left/right match, offset on y
@@ -420,15 +420,15 @@ function toggleViewMode()
         {
             moveReaderDisplayToZoom(CURRENT_ZOOM);
         }
-        
+
         else
         {
             moveReaderDisplayToZoom(getFirstZoomOfPage(CURRENT_PAGE));
         }
-        
+
         IS_PAGE_MODE = false;
     }
-    
+
     else
     {
         moveReaderDisplayToPage(CURRENT_PAGE);
@@ -454,7 +454,7 @@ function moveReader(toNext)
             CURRENT_ZOOM = null;
         }
     }
-    
+
     else
     {
         if (toNext && CURRENT_ZOOM < PAGES_ZOOMS.length - 1)
@@ -494,7 +494,7 @@ function handleKeyPress(key)
         {
             READER_FRAME.requestFullscreen();
         }
-        
+
         else
         {
             document.exitFullscreen();
@@ -507,12 +507,12 @@ function handleKeyPress(key)
         {
             PROGRESS_BAR_CONTAINER.hidden = false;
         }
-        
+
         else
         {
             PROGRESS_BAR_CONTAINER.hidden = true;
         }
-        
+
         refreshReaderDisplay();
     }
 
@@ -541,7 +541,7 @@ function handleMouseWhell(event)
     {
         return;
     }
-    
+
     else
     {
         MOUSEWHELL_WAIT = true;