Hi, 'document.forms' is the collection of forms that may exist on your page. Mostly you will only have one. '.Command' is the name
of a control on your page that is inside a form block. 'Value' is it's value such as it's text content 'thisform'
is the name of the specific for you are referring to, For example:
<form method="post" name="thisform">
<input type="hidden" name="Command" />
<input type="submit" value="submit" />
<form method="post" name="someOtherFormName">
hope this helps...