diff -ru magento/app/code/core/Mage/Adminhtml/Block/Catalog/Category/Tree.php /var/www/shop.mambasoft.it/app/code/core/Mage/Adminhtml/Block/Catalog/Category/Tree.php
--- magento/app/code/core/Mage/Adminhtml/Block/Catalog/Category/Tree.php 2009-06-01 15:18:04.000000000 +0200
+++ /var/www/shop.mambasoft.it/app/code/core/Mage/Adminhtml/Block/Catalog/Category/Tree.php 2009-08-24 16:54:21.000000000 +0200
@@ -277,7 +277,7 @@
*/
public function buildNodeName($node)
{
- $result = $this->htmlEscape($node->getName());
+ $result = '[ID: '. $node->getId() . ' ] '.$this->htmlEscape($node->getName());
if ($this->_withProductCount) {
$result .= ' (' . $node->getProductCount() . ')';
}