code: public JsStatement warningDialog(String message)
  	{
  		JsStatement statement = new JsStatement();
  		statement.append("$.ui.dialog.wiquery.warningDialog(");
  		statement.append("" + Session.get().nextSequenceValue() + ", ");
  		statement.append(DialogUtilsLanguages.getDialogUtilsLiteral(DialogUtilsLanguages
  			.getDialogUtilsLanguages(getLocale())) + ", ");
  		statement.append(JsUtils.doubleQuotes(message, true) + ", ");
  		statement.append(JsUtils.quotes(RequestCycle.get().urlFor(WARNING_IMG, null)) + ")");
  
  		return statement;
  	}
docs: Method creating a warning Dialog
  
  @param message
  Message
  @return a {@link JsStatement}