src/org/tiefaces/components/websheet/TieWebSheetView.java
public String getTabStyle() {

		String tabStyle = TieConstants.TAB_STYLE_VISIBLE;
		int sheetId = webFormTabView.getActiveIndex();
		if ((sheetId >= 0) && (sheetId < tabs.size())) {
			tabStyle = TieConstants.TAB_STYLE_INVISIBLE;

		}

		return tabStyle;
	}
public String getTabStyle() {

		String tabStyle = TieConstants.TAB_STYLE_VISIBLE;
		int sheetId = webFormTabView.getActiveIndex();
		if ((sheetId >= 0) && (sheetId < tabs.size())) {
			tabStyle = TieConstants.TAB_STYLE_INVISIBLE;

		}

		return tabStyle;
	}
get tab style.

@return string.