Mine

<script type='text/javascript'>

/* create category request */
$('create_category').addEvent('click', function(e) {
	e = new Event(e).stop();
 
	var url = "create_category.php?cPath=" + <?php echo $_GET['cPath']; ?>;

	new Ajax(url, {
		method: 'get',
		update: $('create_category_form')
	}).request();
});

/* edit category request */
$('edit_category').addEvent('click', function(e) {
	e = new Event(e).stop();
 
	var url = "edit_category.php?cPath=" + <?php echo $_GET['cPath']; ?>;

	new Ajax(url, {
		method: 'get',
		update: $('edit_category_form')
	}).request();
});

</script>