Footer, Fatal Error, and Import export Plugin

i have problem with the Catalog in Magento 1.7.0.1 . everything when click on Manage Catagories and click on any con the Catagories i get this error messages. Fatal error: Call to a member function getAttributeCode() on a non-object in /home/cyberfur/public_html/app/code/core/Mage/Adminhtml/Block/Catalog/Category/Tab/[login to view URL] on line 137 Anyone can help me with this And i would like to fix the Footlink. please see my website [login to view URL] and you will see all the link is on the left side. i would like it cross the page. Thanks