/*	Copyright (c) 2004-2006, The Dojo Foundation	All Rights Reserved.	Licensed under the Academic Free License version 2.1 or above OR the	modified BSD license. For more information on Dojo licensing, see:		http://dojotoolkit.org/community/licensing.shtml*/dojo.provide('dojo.validate.creditCard');dojo.require("dojo.lang.common");dojo.require("dojo.validate.common");/*	Validates Credit Cards using account number rules in conjunction with the Luhn algorigthm	 */dojo.validate.isValidCreditCard = function(/*String|Int*/value, /*String*/ccType){	//Summary:	//  checks if type matches the # scheme, and if Luhn checksum is accurate (unless its an Enroute card, the checkSum is skipped)		//Value: Boolean	if(value&&ccType&&((ccType.toLowerCase()=='er'||dojo.validate.isValidLuhn(value))&&(dojo.validate.isValidCreditCardNumber(value,ccType.toLowerCase())))){			return true; //Boolean	}	return false; //Boolean}dojo.validate.isValidCreditCardNumber = function(/*String|Int*/value,/*String?*/ccType) {	//Summary:	//  checks if the # matches the pattern for that card or any card types if none is specified	//  value == CC #, white spaces and dashes are ignored	//  ccType is of the values in cardinfo -- if Omitted it it returns a | delimited string of matching card types, or false if no matches found		//Value: Boolean		if(typeof value!='string'){		value = String(value);	}	value = value.replace(/[- ]/g,''); //ignore dashes and whitespaces	/* 	FIXME: not sure on all the abbreviations for credit cards,below is what each stands for atleast to my knowledge		mc: Mastercard		ec: Eurocard		vi: Visa		ax: American Express		dc: Diners Club		bl: Carte Blanch		di: Discover		jcb: JCB		er: Enroute	 */	var results=[];	var cardinfo = {		'mc':'5[1-5][0-9]{14}','ec':'5[1-5][0-9]{14}','vi':'4([0-9]{12}|[0-9]{15})',		'ax':'3[47][0-9]{13}', 'dc':'3(0[0-5][0-9]{11}|[68][0-9]{12})',		'bl':'3(0[0-5][0-9]{11}|[68][0-9]{12})','di':'6011[0-9]{12}',		'jcb':'(3[0-9]{15}|(2131|1800)[0-9]{11})','er':'2(014|149)[0-9]{11}'	};	if(ccType&&dojo.lang.has(cardinfo,ccType.toLowerCase())){		return Boolean(value.match(cardinfo[ccType.toLowerCase()])); // boolean	}else{		for(var p in cardinfo){			if(value.match('^'+cardinfo[p]+'$')!=null){				results.push(p);			}		}		return (results.length)?results.join('|'):false; // string | boolean	}	}dojo.validate.isValidCvv = function(/*String|Int*/value, /*String*/ccType) {	//Summary:	//  returns true if the security code (CCV) matches the correct format for supplied ccType		//Value: Boolean		if(typeof value!='string'){		value=String(value);	}	var format;	switch (ccType.toLowerCase()){		case 'mc':		case 'ec':		case 'vi':		case 'di':			format = '###';			break;		case 'ax':			format = '####';			break;		default:			return false; //Boolean	}	var flags = {format:format};	//FIXME? Why does isNumberFormat take an object for flags when its only parameter is either a string or an array inside the object?	if ((value.length == format.length)&&(dojo.validate.isNumberFormat(value, flags))){		return true; //Boolean	}	return false; //Boolean}