diff --git a/typo3/sysext/t3skin/extjs/images/window/icon-error-big.png b/typo3/sysext/t3skin/extjs/images/window/icon-error-big.png
new file mode 100644
index 0000000000000000000000000000000000000000..b34e1278343d16801742a5769adb2f53ebdc32b1
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diff --git a/typo3/sysext/t3skin/extjs/images/window/icon-info-big.png b/typo3/sysext/t3skin/extjs/images/window/icon-info-big.png
new file mode 100644
index 0000000000000000000000000000000000000000..2b9b0e1995b4c73a58b65be7c3152f26de4beaad
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diff --git a/typo3/sysext/t3skin/extjs/images/window/icon-question-big.png b/typo3/sysext/t3skin/extjs/images/window/icon-question-big.png
new file mode 100644
index 0000000000000000000000000000000000000000..b824ecc996a154b56db7bdaf02933240c8aa4f46
Binary files /dev/null and b/typo3/sysext/t3skin/extjs/images/window/icon-question-big.png differ
diff --git a/typo3/sysext/t3skin/extjs/images/window/icon-warning-big.png b/typo3/sysext/t3skin/extjs/images/window/icon-warning-big.png
new file mode 100644
index 0000000000000000000000000000000000000000..88d3dee593da49b3aeb96a1fbf92e5d06c377df0
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diff --git a/typo3/sysext/t3skin/extjs/xtheme-t3skin.css b/typo3/sysext/t3skin/extjs/xtheme-t3skin.css
index e0fe555c78761bef11c41b52c8cee195ce2fdb5b..c16c9ca9f389bb7db7e64a336afc42f8b507370d 100644
--- a/typo3/sysext/t3skin/extjs/xtheme-t3skin.css
+++ b/typo3/sysext/t3skin/extjs/xtheme-t3skin.css
@@ -2191,19 +2191,19 @@ body.x-body-masked .x-window-plain .x-window-mc {
 }
 
 .x-window-dlg .ext-mb-info {
-	background-image:url(images/window/icon-info.gif);
+	background-image:url(images/window/icon-info-big.png);
 }
 
 .x-window-dlg .ext-mb-warning {
-	background-image:url(images/window/icon-warning.gif);
+	background-image:url(images/window/icon-warning-big.png);
 }
 
 .x-window-dlg .ext-mb-question {
-	background-image:url(images/window/icon-question.gif);
+	background-image:url(images/window/icon-question-big.png);
 }
 
 .x-window-dlg .ext-mb-error {
-	background-image:url(images/window/icon-error.gif);
+	background-image:url(images/window/icon-error-big.png);
 }
 
 /*ADDONS*/