[jQuery] Using jQuery in requested file by $.ajax

[Colonel]

Is it possible ti use jQuery or JS in file which I get by $.ajax?

For example, I have a file like this file.php:
<?
 <div id="my_div_1"><p>Some text ...</p></div>
 <div id="my_div_2"><p>Some text ...</p></div>
 <div id="my_div_3"><p>Some text ...</p></div>
 ....
 <script type="text/javascript"></script> - use JS ???
 ....
 $("my_container").html("Some text ..."); - use jQuery ???
?>

And I use $.ajax from main_file.php:
$.ajax({
 type: "POST",
 dataType: "html",
 data: "data=" + $("#container").html(),
 url: "file.php",
 cache: false,
 error:  function(msg) {alert("Error Saved: " + msg);},
 success: function(msg) {alert("container = " + $("#container").html
());},
 complete: function() {$.unblockUI();}
});