* see org.eclipse.wst.html.core.htmlcss.HTMLDocumentAdapter#addStyleSheet(org.w3c.dom.Element)
*/
public static List getStyleSheets(Element element) {
List styleSheets = new ArrayList();
INodeNotifier docnotifier = (INodeNotifier) element.getOwnerDocument();
IStyleSheetListAdapter adapter = (IStyleSheetListAdapter) docnotifier
.getAdapterFor(IStyleSheetListAdapter.class);
StyleSheetList ssl = (adapter == null ? null : adapter.getStyleSheets());
if (ssl != null) {
for (int i = 0, numStyles = ssl.getLength(); i < numStyles; i++) {
// loop for styles (<style> and <link>)
org.w3c.dom.stylesheets.StyleSheet ss = ssl.item(i);