How to validate form in magento
As you know, Magento uses Prototype as javascript library. It provides a simple way to validate html form values. Below is an example: <form name=”my-form” id=”my-form” method=”post”> <label for=”firstname”> < ?php echo $this->__(‘First name’) ?> <span>*</span></label><br /> <input id=”firstname” name=”firstname” class=”input-text required-entry”/> <label for=”lastname”> < ?php echo $this->__(‘Last name’) ?> <span>*</span></label><br /> <input id=”lastname” name=”lastname”…