/* Valida CPF */
            function isCPF(value) {
                value = jQuery.trim(value);
                cpf = value.replace(/\.|-|\//gi,''); // elimina .(ponto), -(hifem) e /(barra)
                while(cpf.length < 11) cpf = "0"+ cpf;
                var expReg = /^0+$|^1+$|^2+$|^3+$|^4+$|^5+$|^6+$|^7+$|^8+$|^9+$/;
                var a = [];
                var b = new Number;
                var c = 11;
                for (i=0; i&lt;11; i++){
                    a[i] = cpf.charAt(i);
                    if (i < 9) b += (a[i] * --c);
                }
                if ((x = b % 11) < 2) { a[9] = 0 } else { a[9] = 11-x }
                b = 0;
                c = 11;
                for (y=0; y&lt;10; y++) b += (a[y] * c--);
                if ((x = b % 11) < 2) { a[10] = 0; } else { a[10] = 11-x; }
                if ((cpf.charAt(9) != a[9]) || (cpf.charAt(10) != a[10]) || cpf.match(expReg)) return false;
                return true;
            }