function maskTelefone( obj ){
	if(obj.value == null || obj.value == "")
		return false;
	v = obj.value;
	var max = 8;
    v=v.replace(/\D/g,"");
	v=v.substring (0,max);
	while(v.length < max)
		v="0"+v;
    v=v.replace(/(\d{4})(\d)/,"$1-$2");

    obj.value = v;

    return true;

}

function maskCNPJ( obj ){
	if(obj.value == null || obj.value == "")
		return false;
	v = obj.value;
	var max = 14;

	v=v.replace(/\D/g,"");
	v=v.substring (0,max);
	while(v.length < max)
		v="0"+v;
    v=v.replace(/^(\d{2})(\d)/,"$1.$2");
    v=v.replace(/^(\d{2})\.(\d{3})(\d)/,"$1.$2.$3");
    v=v.replace(/\.(\d{3})(\d)/,".$1/$2");
    v=v.replace(/(\d{4})(\d)/,"$1-$2");

    obj.value = v;
    
    return true;

}

function maskCEP( obj ){
	if(obj.value == null || obj.value == "")
		return false;
	v = obj.value;
	var max = 8;

	v=v.replace(/\D/g,"");
	v=v.substring (0,max);
	while(v.length < max)
		v="0"+v;
    v=v.replace(/^(\d{5})(\d)/,"$1-$2");

    obj.value = v;

    return true;

}

function maskCPF( obj ){
	if(obj.value == null || obj.value == "")
		return false;
	v = obj.value;
	var max = 11;

	v=v.replace(/\D/g,"");
	v=v.substring (0,max);
	while(v.length < max)
		v="0"+v;
	v=v.replace(/(\d{3})(\d)/,"$1.$2");
	v=v.replace(/(\d{3})(\d)/,"$1.$2");
	v=v.replace(/(\d{3})(\d{1,2})$/,"$1-$2");

	obj.value = v;

	return true;
}