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;
};

var fm = null;
MaskInput = function(f, m){
    for(var i in !/^(.)\^(.*)$/.test(m) && (f.maxLength = m.length), {keypress: 0, keyup: 1})
   		removeEvent(f, i, fm);   		
    fm = function mask(e){
        var patterns = {"1": /[A-Z]/i, "2": /[0-9]/, "4": /[Ŕ-˙]/i, "8": /./ },
            rules = { "a": 3, "A": 7, "9": 2, "C":5, "c": 1, "*": 8};
        function accept(c, rule){
            for(var i = 1, r = rules[rule] || 0; i <= r; i<<=1)
                if(r & i && patterns[i].test(c))
                    break;
                return i <= r || c == rule;
        }        
        var k, mC, r, c = String.fromCharCode(k = e.key), l = f.value.length;
        (!k || k == 8 ? 1 : (r = /^(.)\^(.*)$/.exec(m)) && (r[0] = r[2].indexOf(c) + 1) + 1 ?
            r[1] == "O" ? r[0] : r[1] == "E" ? !r[0] : accept(c, r[1]) || r[0]
            : (l = (f.value += m.substr(l, (r = /[A|9|C|\*]/i.exec(m.substr(l))) ?
            r.index : l)).length) < m.length && accept(c, m.charAt(l))) || e.preventDefault();
    }    		
	for(var i in !/^(.)\^(.*)$/.test(m) && (f.maxLength = m.length), {keypress: 0, keyup: 1})
		addEvent(f, i, fm);
};

autoTab = function(){
    var c = 0, lastKey = function(e){c = e.key;}, next = function(e){
        var i, j, f = (e = e.target).form.elements, l = e.value.length, m = e.maxLength;
        if(c && m > -1 && l >= m){
            for(i = l = f.length; f[--i] != e;);
            for(j = i; (j = (j + 1) % l) != i && (!f[j].type || f[j].disabled || f[j].readOnly || f[j].type.toLowerCase() == "hidden"););
            j != i && f[j].focus();
        }
    };
    for(var f, i = (f = document.forms).length; i; addEvent(f[--i], "keyup", next), addEvent(f[i], "keypress", lastKey));
};

String.prototype.trim = function(c, t){
    return c = "[" + (c == undefined ? " " : c.replace(/([\^\]\\-])/g, "\\\$1")) + "]+",
    this.replace(new RegExp((t != 2 ? "^" : "") + c + (t != 1 ? "|" + c + "$" : ""), "g"), "");
};

String.prototype.isCNPJ = function(){
	var b = [6,5,4,3,2,9,8,7,6,5,4,3,2], c = this;
    if((c = c.replace(/[^\d]/g,"").split("")).length != 14) return false;
    for(var i = 0, n = 0; i < 12; n += c[i] * b[++i]);
    if(c[12] != (((n %= 11) < 2) ? 0 : 11 - n)) return false;
    for(var i = 0, n = 0; i <= 12; n += c[i] * b[i++]);
    if(c[13] != (((n %= 11) < 2) ? 0 : 11 - n)) return false;
    return true;
};

String.prototype.isCPF = function(){
    var c = this;
    if((c = c.replace(/[^\d]/g,"").split("")).length != 11) return false;
    if(new RegExp("^" + c[0] + "{11}$").test(c.join(""))) return false;
    for(var s = 10, n = 0, i = 0; s >= 2; n += c[i++] * s--);
    if(c[9] != (((n %= 11) < 2) ? 0 : 11 - n)) return false;
    for(var s = 11, n = 0, i = 0; s >= 2; n += c[i++] * s--);
    if(c[10] != (((n %= 11) < 2) ? 0 : 11 - n)) return false;
    return true;
};

String.prototype.isMail = function ()
{
	var c = this;
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (filter.test(c)) return true;
	else false;
};

function valueField(obj)
{
	var value = "";
	if (!obj.type)
	{
		for (i = 0; i < obj.length; i++)
		{
			if (obj[i].checked) value = obj[i].value;
		}				
	}
	else 
		value = obj.value;	
	return value;
};

function object()
{
	this.value = null;
}

function validForm(fld, fnc)
{
	var fValid = true;	
	var msg = "";		
	
	var fields = new Array();		
	for (var key in fld)
	{		
		fields[key] = valueField(fld[key]);		
		if (fields[key].trim(" ") == "")
		{
			msg += 'O campo "' + key + '" é obrigatório.\n';
			fValid = false;
		}
	}
	
	fnc.value = msg;	
	return fValid;
};