function addListener(obj, evntType, func){
    if(window.addEventListener){
        obj.addEventListener(evntType, func, false);
        return true;
    }
    
    else if(obj.attachEvent){
        obj.attachEvent("on"+evntType, func);
        return true;
    }
    
    else{
        return false;
    }
    
}

function getEventElem(e){
    var returnElem;
    
    if(!e) var e = window.event;
    
    if(e.target){
        returnElem = e.target;
    }
    
    else if(e.srcElement)    {
        returnElem = e.srcElement;
    }
    
    return returnElem;
}