new Ajax.Request( '/url/to/post/to',
   { asynchronous: true,
     evalScripts: true,
     parameters: Form.serialize(this),
     onComplete: jsFunctionToCallBack
   });

##</code><code>##

    $.ajax( {
              url: '/url/to/post/to',
              type: 'POST',
              dataType: 'html',
              data: $('form#form_id').formSerialize(),
              complete: jsFunctionToCallBack
            }
          );

##</code><code>##

s**lil*;  $*=join'',sort split q**;  s;.*;grr; &&s+(.(.)).+$2$1+; $; =
qq-$_-;s,.*,ahc,;$,.=chop for split q,,,reverse;print for($,,$;,$*,$/)