Manual input, to form, to array, to session register...

Before 4.1 we used an input form with default field values and manual override input to an array and then posted to an action page. All was good until global_register were turned off. Now I need to make this work using the session register. I have the all this working and passing defined variables ok. How is this done with a manual input? I have tried to use the same input line as before.... print "<INPUT TYPE='text' NAME='rate[]' VALUE='$rate' SIZE='5'>"; but cannot integrate it into the session register. I have also tried track_var configurations with no luck. I can get $vars into the register but I need to input values to an array manually. I know it's here somewhere but can I get a pointer. Thanks. Floyd --