var ulShowHide = {
    showHide: function(element,id) {
        if (element.parentNode.childNodes.item(2)) {
            if (element.parentNode.childNodes.item(2).nodeName == 'UL') {
                var styleDisplay = element.parentNode.childNodes.item(2).style.display;
                if (styleDisplay == 'block' || styleDisplay == '') {
                    element.parentNode.childNodes.item(2).style.display = "none";
                    document.images["i"+id].src = "/data/common/img/icon_on.gif";
                } else {
                    element.parentNode.childNodes.item(2).style.display = "block";
                    document.images["i"+id].src = "/data/common/img/icon_off.gif";
                }
            }
        }
        return false;
    }
}