context:         function pU_clicked(ev)        {            if (!pU) return false; if (!ev) var ev = window.event;                        var t = (ev.srcElement) ? ev.srcElement : ev.originalTarget;            try {var kw = t.innerHTML;} catch(exc) {return false;}  // Moz                        while (true) try            {                if (t.id == pU.id) return kw ? kw : true; t = t.parentNode;            }             catch(exc) {return false;}  // Moz: t.parentNode uncatched exc.        }
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