Best place to put jquery file

[eluser]sooner[/eluser]
i tried both of yours it did not work i actually have my jquery file in system/javascript/jquery-1.4.4.min.js.

i did like this
[removed]load->helper('url');
echo site_url('javascript/jquery-1.4.4.min.js');
?>">[removed]

if i view source the file [removed][removed]

but it does not load up the file
i used this [removed]< /script>

if i view source
[removed]< /script>

it does not load the file either

suggestions plz