[Javascript] Programmatically set onchange event for textbox

[Terry Riegel]

> This is just eye candy for the client. I have four radio buttons  
> aligned
> with credit card images (Visa, Mastercard, etc).

If its just eye candy and you really want to leverage javascript to  
improve the user experience then you could have an image that is  
empty and as soon as they type the first letter it would show the  
card type visually.

:)

Terry