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;
};

function tabAutom(quem)
{
	if ( ( quem.value.length == quem.maxLength ) ) {
		var i=0, j=0, indice=-1;
		// Localiza em qual form está o input no documento
		for (i=0; i<document.forms.length; i++) {
			for (j=0; j<document.forms[i].elements.length; j++) {
				if (document.forms[i].elements[j].name == quem.name) {
					indice=i;
					break;
				}
			}
			if (indice != -1)
				 break;
		}

		// Localiza o próximo input no documento
		for (i=0; i<document.forms[indice].elements.length; i++)
		{
			if (document.forms[indice].elements[i].getAttribute("tabindex") == quem.getAttribute("tabindex") + 1)
			{
				document.forms[indice].elements[i].focus();
			}
		}
	}
}

linha = String.fromCharCode(13);