[validate] creditcard validates true if alpa characters are used

[jforth]

creditcard rule validates true if alpa characters are used

example: asdf validates true.

[jforth]

fix? maybe

		creditcard: function(value, element) {
			if ( this.optional(element) )
				return "dependency-mismatch";
			if(value.match(/\D/)) return 0;
			var nCheck = 0,
				nDigit = 0,
				bEven = false;
			value = value.replace(/\D/g, "");
			for (n = value.length - 1; n >= 0; n--) {
				var cDigit = value.charAt(n);
				var nDigit = parseInt(cDigit, 10);
				if (bEven) {
					if ((nDigit *= 2) > 9)
						nDigit -= 9;
				}
				nCheck += nDigit;
				bEven = !bEven;
			}
			return (nCheck % 10) == 0;
		}

[jforth]

		creditcard: function(value, element) {
    		if(/[^0-9-]+/.test(value)) return 0;
			if ( this.optional(element) )
				return "dependency-mismatch";
			var nCheck = 0,
				nDigit = 0,
				bEven = false;
			value = value.replace(/\D/g, "");
			for (n = value.length - 1; n >= 0; n--) {
				var cDigit = value.charAt(n);
				var nDigit = parseInt(cDigit, 10);
				if (bEven) {
					if ((nDigit *= 2) > 9)
						nDigit -= 9;
				}
				nCheck += nDigit;
				bEven = !bEven;
			}
			return (nCheck % 10) == 0;
		}

[joern]

Fixed in [5340].