how install sfJueryReloaded

[Shayan yazdanpanah]

hi all

Iam using symfony 1.4.11

iam download  sfJqueryReloadedPlugin-1.4.3

install in config

but i use this

<?php use_helper('Javascript') ?>


when i use

		<div id="myzone"></div>
		<?php echo javascript_tag(
		  remote_function(array(
		    'update'  => 'myzone',
		    'url'     => 'mymodule/myaction',
		  ))
		) ?>

its return this error

Fatal error: Call to undefined function remote_function()

help me