// make sure they entered a name
if(nameoncard.value == "") {
alert("Please enter the name listed on the credit card");
nameoncard.focus();
return false;
}
// make sure they selected a card type
else if (CCType.selectedIndex == 0) {
alert("Please select the type of credit card.");
CCType.focus();
return false;
}
// check to see if a credit card number has been entered.
else if (CCN.value == "") {
alert("Please enter a credit card number.");
CCN.focus();
return false;
}
// check if number matches card type
else if (typeOfCard(CCN.value) != CCType[CCType.selectedIndex].value) {
alert("The type of card you selected does not match the credit card number that you submitted.");
CCN.focus();
return false;
}
// use mod 10 algorithm to validate number
else if (!(isValidCreditCard(CCN.value))) {
alert("Sorry but you have entered an invalid credit card number. Please check the number on the card and try again.");
CCN.focus();
return false;
}
// make sure that the expiration date is not in the past
else if(isExpired(today,formDate)) {
alert("According to the expiration date that you entered, your card is expired.");
expMonth.focus();
return false;
}
// everythings ok then submit
else {
return true;
formSubmitted = true;
}
}
}
function isExpired(today,formDate) {
var expired = true;
if(formDate.getMonth() >=today.getMonth()) {
if(formDate.getYear() >= today.getYear()) {
expired = false;
}
}
else {
if(formDate.getYear() >= today.getYear() + 1) {
expired = false;
}
}
return expired;
}
// Funtion to return the type of credit card
function typeOfCard(number) {
/*
// Card Prefixes
//
// Mastercard 51-55
// Visa 4
// AmEx 34,37
// Discover 6011
*/
var firstNumber = number.substring(0,1);
var firstThreeNumbers = number.substring(0,3);
if (firstNumber == 4) {
return "Visa";
}
var firstTwoNumbers = number.substring(0,2);
if (firstTwoNumbers > 50 && firstTwoNumbers < 56) {
return "MasterCard";
}
if (firstTwoNumbers == 34 || firstTwoNumbers == 37) {
return "AmericanExpress";
}
var firstFourNumbers = number.substring(0,4);
if (firstFourNumbers == 6011) {
return "Discover";
}
}
// Function that determines whether a credit card number is valid
// Please note that a valid credit card number is not essentially a
// credit card in good standing.
function isValidCreditCard(number) {
var total = 0;
var flag = 0;
number = number.replace(/\D/g,'');
for (var i=(number.length - 1);i>=0; i--) {
if (flag == 1) {
var digits = number.charAt(i) * 2;
if (digits > 9) digits -= 9;
total += digits;
// var reminder = digits % 10;
// var quotient = (digits - reminder) / 10;
// total = total + parseInt(reminder);
// total = total + parseInt(quotient);
flag = 0;
} else {
total = total + parseInt(number.charAt(i));
flag = 1;
}
}
if ((total%10) == 0) {
return true;
} else {
return false;
}
}
// -->
SVCLS.ORG
INDIVIDUAL / CORPORATION
Company:
Email Address:
Address:
City:
State:
Zip/Postal Code:
Phone:
Fax:
Website URL:
I/We Will Contribute at the following level:
$250,000
& Above
Enter Amount:
$
$150,000
to $200,000
$100,000
to $150,000
$50,000
to $100,000
$10,000
to $25,000
$5,000
to $10,000
$2,500
to $5,000
$1,000
to $2,500
$500
to $1,000
Other
I/We Will Contribute this amount as follows:
Entire Contribution in 2008
Payable in Equal Installments in 2008, 2009
Payable in Equal Installments in 2008, 2009, 2010
Other:
Please send
me a reminder notice (reminder notices go out each year by
April 30 or Sept. 30 if April 30 of current year is past)
Pay Online With A
Credit Card
You may pay online only if this is a one time charge.
To pay online with a credit card, click the "Pay Online" box and
fill out the credit card information.
Please fill in your credit card information below. Please note that the payment process
may take several minutes. Please be patient and do not submit payment more than once.
Name on CC:
CC Type:
CC Number:
Expires:
I/We Will Pay by Check, payable to Silicon Valley Campaign for
Legal Services. Send Check to SVCLS, 31 N. 2nd St., 4th Floor, San Jose,
CA 95113
I/We Will Pay by Gift of Stock or Securities: Please Call
408.287.2557 To
Discuss
