/indra/newview/skins/default/xui/en/alert_icon.xml

1<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
2<icon color="1.0 1.0 1.0 1.0"
3      tab_stop="false"
4      mouse_opaque="false"
5      name="icon"
6      image_name="notify_caution_icon.tga" 
7      follows="left|top">
8</icon>