/*
**************************************
* Event Listener Function v1.4 *
* Autor: Carlos R. L. Rodrigues *
**************************************
*/
addEvent = function(o, e, f, s){
var r = o[r = "_" + (e = "on" + e)] = o[r] || (o[e] ? [[o[e], o]] : []), a, c, d;
r[r.length] = [f, s || o], o[e] = function(e){
try{
(e = e || event).preventDefault || (e.preventDefault = function(){e.returnValue = false;});
e.stopPropagation || (e.stopPropagation = function(){e.cancelBubble = true;});
e.target || (e.target = e.srcElement || null);
e.key = (e.which + 1 || e.keyCode + 1) - 1 || 0;
}catch(f){}
for(d = 1, f = r.length; f; r[--f] && (a = r[f][0], o = r[f][1], a.call ? c = a.call(o, e) : (o._ = a, c = o._(e), o._ = null), d &= c !== false));
return e = null, !!d;
}
};
removeEvent = function(o, e, f, s){
for(var i = (e = o["_on" + e] || []).length; i;)
if(e[--i] && e[i][0] == f && (s || o) == e[i][1])
return delete e[i];
return false;
};