Topic: $objResponse->call()

I have a xajax function that creates a form with only radio buttons and when i press the onclick event it calls another xajax function that has a javascript function in the php function but not in the xajax function.  the javascript function using document.getElementById it gets the name of id and value of the radio event.  In the javascript i have an array with the two value.

in the xajax function i am using $objResponse->call( javascript function name) is there a way to retrieve the array from the javascript side? 

I want to store for later use via php array_push($_session[val])