Index: typo3/backend.php
===================================================================
--- typo3/backend.php	(revision 3422)
+++ typo3/backend.php	(working copy)
@@ -97,6 +97,7 @@
 			'js/sizemanager.js',
 			'js/toolbarmanager.js',
 			'js/modulemenu.js',
+			'js/iecompatibility.js',
 			'../t3lib/jsfunc.evalfield.js'
 		);
 
Index: typo3/js/iecompatibility.js
===================================================================
--- typo3/js/iecompatibility.js	(revision 3422)
+++ typo3/js/iecompatibility.js	(working copy)
@@ -25,6 +25,31 @@
 ***************************************************************/
 
 
+Element.addMethods({
+	pngHack: function(el) {
+
+		var el = $(el);
+		var transparentGifPath = 'clear.gif';
+
+		if(el.src.endsWith('.png')) {
+				/* if it's an img and a png */
+			var alphaImgSrc = el.src;
+			var sizingMethod = 'scale';
+			el.src = transparentGifPath;
+		}
+
+		if(alphaImgSrc) {
+			el.style.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="#{alphaImgSrc}",sizingMethod="#{sizingMethod}")'.interpolate(
+			{
+				alphaImgSrc: alphaImgSrc,
+				sizingMethod: sizingMethod
+			});
+		}
+
+		return el;
+	}
+});
+
 var IECompatibility = Class.create({
 
 	/**
@@ -34,9 +59,17 @@
 		Event.observe(document, 'dom:loaded', function() {
 			$$('input[type="checkbox"]').invoke('addClassName', 'checkbox');
 		}.bind(this));
+
+		Event.observe(window, 'load', function() {
+			if(/MSIE 6/.test(navigator.userAgent)) {
+				$$('img').each(function(img){
+					img.pngHack();
+				});
+			}
+		});
 	}
 });
 
-if (Prototype.Browser.IE) {
+if(Prototype.Browser.IE) {
 	var TYPO3IECompatibilty = new IECompatibility();
 }
Index: typo3/sysext/t3skin/ext_tables.php
===================================================================
--- typo3/sysext/t3skin/ext_tables.php	(revision 3422)
+++ typo3/sysext/t3skin/ext_tables.php	(working copy)
@@ -149,5 +149,9 @@
 	$TBE_STYLES['skinImg']['MOD:tools_em/uninstall.gif'] = array($temp_eP.'icons/ext/templavoila/mod1/moduleicon.gif','width="22" height="22"');
 
 	//print_a($TBE_STYLES,2);
+
+	$GLOBALS['TYPO3_CONF_VARS']['typo3/backend.php']['additionalBackendItems'][] = t3lib_extMgm::extPath('t3skin').'registerIe6Stylesheet.php';
+
 }
-?>
+
+?>
\ No newline at end of file
Index: typo3/sysext/t3skin/registerIe6Stylesheet.php
===================================================================
--- typo3/sysext/t3skin/registerIe6Stylesheet.php	(revision 0)
+++ typo3/sysext/t3skin/registerIe6Stylesheet.php	(revision 0)
@@ -0,0 +1,9 @@
+<?php
+
+if(TYPO3_MODE == 'BE') {
+
+		// handle stupid IE6
+	$userAgent = t3lib_div::getIndpEnv('HTTP_USER_AGENT');
+
+	if(!(strpos($userAgent, 'MSIE 6') === false) && strpos($userAgent, 'Opera') === false) {
+			//make sure we match IE6 but not Opera
+		$GLOBALS['TYPO3backend']->addCssFile('ie6fix', 'sysext/t3skin/stylesheets/ie6.css');
+	}
+
+}
+
+?>
\ No newline at end of file
Index: typo3/sysext/t3skin/stylesheets/ie6.css
===================================================================
--- typo3/sysext/t3skin/stylesheets/ie6.css	(revision 0)
+++ typo3/sysext/t3skin/stylesheets/ie6.css	(revision 0)
@@ -0,0 +1,13 @@
+/* - - - - - - - - - - - - - - - - - - - - -
+
+Title  : TYPO3 backend vertical menu styles
+Author : Ingo Renner <ingo@typo3.org>
+URL    : http://typo3.org
+
+Description : fixes the stupid Internet Explorer
+
+	$Id$
+
+- - - - - - - - - - - - - - - - - - - - - */
+
+
+#typo3-menu li div.expanded {
+	background-image: url('../../../gfx/ie6/arrowdown.gif');
+}
+
+#typo3-menu li div.collapsed {
+	background-image: url('../../../gfx/ie6/arrowright.gif');
+}
+
\ No newline at end of file
Index: typo3/sysext/t3skin/stylesheets/modulemenu.css
===================================================================
--- typo3/sysext/t3skin/stylesheets/modulemenu.css	(revision 3422)
+++ typo3/sysext/t3skin/stylesheets/modulemenu.css	(working copy)
@@ -35,7 +35,7 @@
 	font-size: 11px;
 	color: #505d6d;
 	border: none;
-	background-color: transparent;
+	background-color: #edeeee;
 	padding: 2px 0px 4px 16px;
 	margin: 8px 0px 2px 4px;
 	height: auto;
@@ -44,7 +44,7 @@
 }
 
 #typo3-menu li div.collapsed {
-	background-image: url(../../../gfx/arrowright.png);
+	background-image: url('../../../gfx/arrowright.png');
 	background-repeat: no-repeat;
 }
 
@@ -49,7 +49,7 @@
 }
 
 #typo3-menu li div.expanded {
-	background-image: url(../../../gfx/arrowdown.png);
+	background-image: url('../../../gfx/arrowdown.png');
 	background-repeat: no-repeat;
 }