diff --git a/index.php b/index.php
index 00df71e..818aecc 100644
--- a/index.php
+++ b/index.php
@@ -37,7 +37,7 @@ if ($ICEcoder["checkUpdates"]) {
 $isMac = strpos($_SERVER['HTTP_USER_AGENT'], "Macintosh")>-1 ? true : false;
 ?>
 <!DOCTYPE html>
-<html onMouseDown="top.ICEcoder.mouseDown=true" onMouseUp="top.ICEcoder.mouseDown=false; if (!top.ICEcoder.overCloseLink) {top.ICEcoder.tabDragEnd()}" onMouseMove="if(top.ICEcoder) {top.ICEcoder.getMouseXY(event,'top');top.ICEcoder.canResizeFilesW()}" onMouseWheel="if (!top.ICEcoder.getcMInstance().hasFocus()) {event.wheelDelta > 0 ? top.ICEcoder.nextTab() : top.ICEcoder.previousTab();}">
+<html onMouseDown="top.ICEcoder.mouseDown=true" onMouseUp="top.ICEcoder.mouseDown=false; if (!top.ICEcoder.overCloseLink) {top.ICEcoder.tabDragEnd()}" onMouseMove="if(top.ICEcoder) {top.ICEcoder.getMouseXY(event,'top');top.ICEcoder.canResizeFilesW()}" onMouseWheel="if (!top.ICEcoder.getcMInstance().hasFocus() && !top.ICEcoder.getcMdiffInstance().hasFocus()) {event.wheelDelta > 0 ? top.ICEcoder.nextTab() : top.ICEcoder.previousTab();}">
 <head>
 <title>ICEcoder v <?php echo $ICEcoder["versionNo"];?></title>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
@@ -74,6 +74,7 @@ $t = $text['index'];
 <script language="JavaScript" src="lib/ice-coder<?php if (!$ICEcoder['devMode']) {echo '.min';};?>.js"></script>
 <script src="lib/mmd.js"></script>
 <script src="farbtastic/farbtastic.js"></script>
+<script src="lib/difflib.js"></script>
 <link rel="stylesheet" href="farbtastic/farbtastic.css" type="text/css">
 </head>
 
@@ -304,6 +305,7 @@ $t = $text['index'];
 <div class="footer" id="footer" onContextMenu="return false">
 	<div class="nesting" id="nestValid"></div>
 	<div class="nestDisplay" id="nestDisplay"></div>
+	<div class="splitPaneControls" id="splitPaneControls"><div class="off" id="splitPaneControlsOff" onclick="top.ICEcoder.setSplitPane('off')"></div><div class="on" id="splitPaneControlsOn" onclick="top.ICEcoder.setSplitPane('on')" style="opacity: 0.5"></div></div>
 	<div class="byteDisplay" id="byteDisplay" style="display: none" onClick="top.ICEcoder.showDisplay('char')"></div>
 	<div class="charDisplay" id="charDisplay" style="display: inline-block" onClick="top.ICEcoder.showDisplay('byte')"></div>
 </div>
