I have a page (page1.php) where I am using a select box to load in another page (page2.php) into a DIV. Inside page2.php there is a UL that loads data from a database (via PHP) into LIs and the are sortable.

My problem is, when I load page2.php by itself, it serializes fine. However, when page2.php is loaded via .load() into page1.php, it doesn't serialize at all and I get undefined