int n = styles.getLength();
ImportedCollector trav = new ImportedCollector();
for (int i = 0; i < n; i++) {
org.w3c.dom.stylesheets.StyleSheet sheet = styles.item(i);
if (sheet instanceof ICSSNode)
trav.apply((ICSSNode) sheet);
}
}
// flash style changed events
if (styleChangedNodes != null) {