function DLC_ShowTab(pageID, tabID, showTab, maxTab) {
        var tab;
        var page;
        for ( var cnt = 1; cnt <= maxTab; cnt++ ) {
                page = document.getElementById(pageID + cnt);
                tab = document.getElementById(tabID + cnt);
                if ( cnt == showTab ) {
                        page.className = page.className.replace("dlc_hideme", " dlc_showme");
                        tab.className = tab.className.replace("dlc_inactivetab", " dlc_activetab");
                } else {
                        page.className = page.className.replace("dlc_showme", " dlc_hideme");
                        tab.className = tab.className.replace("dlc_activetab", " dlc_inactivetab");
                }

        }
}