How to get form values after submit on add to cart?

[GringoRk]

I am using magento 1.7 .Let me explain step by step:-1. Clicked on any product from product list.\[code\]<form action="http://abc.local/prescriptionform" id="requestForm2" method="post"><input type="hidden" name="id1" id="id1" value="http://stackoverflow.com/questions/13701008/<?php echo $_product->getId() ?>" /><input type="submit" name="Order" id="order"/> </form> \[/code\]2. A popup window appears which contains product details.and a Submit button called "ORDER".After click on "ORDER" button it redirect to above form action.here I get the product id and it shows a form and a submit button.\[code\]$baseurl = Mage::getBaseUrl();$product_id = $_REQUEST['id1'];<form action="<?php echo $baseurl."checkout/cart/add?product=".$product_id; ?>" id="requestForm" method="post"><h3 class="txt-blue"><?php echo Mage::helper('contacts')->__('Your Prescription ') ?></h3><ul class="form-list"><li><label class="required type"><?php echo $this->__('Prescription Type') ?>&nbsp;<font color="red">*</font></label><div class="input-box p_form"><select name="type" id="name-prefix" class="required-entry"><option value="" selected>Please select...</option><option value="http://stackoverflow.com/questions/13701008/single" title="Single Vision">Single Vision</option><option value="http://stackoverflow.com/questions/13701008/bifocal" title="Bifocal">Bifocal</option><option value="http://stackoverflow.com/questions/13701008/progressive" title="Progressive">Progressive</option></select></div></li></ul><p><?php echo $this->__("<font color='red'>*</font> Required Fields") ?></p><input type="hidden" name="request_flag" id="request_flag" value="http://stackoverflow.com/questions/13701008/1"/><input type="hidden" name="productID" value="http://stackoverflow.com/questions/13701008/<?php echo $product_id; ?>"/><input type="submit" name="add" id="add"/>\[/code\][*]Now get these values at add to cart page using this:-\[code\]$params = $this->getRequest()->getParams();$_REQUEST['request_flag'];\[/code\]But I am not able to get value of that form on add to cart page.please help.