[ruslan_mart]

var prevCurrent;

document.querySelector('#webwidget_menu_glide3').onclick = function(e) {
    var selfParent = (e.target || window.event.srcElement).parentNode;
    if(selfParent.tagName == 'LI') {
        if(prevCurrent) prevCurrent.className = '';
        selfParent.className = 'current';
        prevCurrent = selfParent;
    }
};