function _restoreTab(sContainerId, waItems){
        var welLink;
        var waItems = $("#" + sContainerId).find("li > a");
        var nIndex = localStorage.getItem("yobitab-" + sContainerId);

        if(nIndex && waItems[nIndex]){
            welLink = $(waItems[nIndex]);

            if(welLink && welLink.data("toggle" == "tab")){
                welLink.tab("show");
            }
        }

        welLink = waItems = nIndex = null;
    }
@param {String} sContainerId
@param {Wrapped Array} waItems