[Typo3-shop] Memo Form

[Ralph]

Hello,
I try to use the Memo Form.
In the Template there is a call like this: (example_template_bill_de.tmpl)
<input type="button" name="addtomemo" value="auf die Merkliste" 
onclick="document.getElementsByName('###FORM_NAME###')[0].action='###FORM_MEMO###&addmemo=###PRODUCT_ID###';">

How must i change the ###FORM_NAME### to use this funktion?