-#button-delete[disabled="true"] {
- list-style-image: url("chrome://global/skin/icons/trash-disabled.gif") !important;
-}
+#button-abdelete[disabled="true"] {
+ -moz-image-region: rect(0px 50px 21px 25px);
+}
+
+#button-abdelete:not([disabled="true"]):hover,
+#button-abdelete:not([disabled="true"]):hover:active {
+ -moz-image-region: rect(0px 75px 21px 50px);
+}