if(typeof addEvent == "undefined")
    function addEvent(elm, evType, fn, useCapture){
        if(elm.addEventListener){
            elm.addEventListener(evType, fn, useCapture);
            return true;
        }else if(elm.attachEvent){
            var r = elm.attachEvent('on'+evType, fn);
            return r;
        } else {
            elm['on'+evType] = fn;
        }
    }

/*addEvent(element, 'event', eventListener, false);

function eventListener(e){
    var t = window.event?window.event.srcElement:e?e.target:null;
}*/