Please explain this JavaScript code

[lewolere]

can Anybody explain me about sourcecode

PHP Code:

        new Ajax.Request('ck/prosscess.php',
        {
            method:'post',
            parameters: param,
            onSuccess: function(transport)
            {
              var response = transport.responseText;
              $('state').update(response);
              $('state').innerHTML;
              $('form1').reset();
               },
            onFailure: function() { alert("Input failure!") }
        }
        );
    } 


[rangana]

http://www.prototypejs.org/api/ajax/request