[id] => 3 (id of the menu item)
[pid] => 0 (id of the parent menu item)
[mid] => 2 (id of the menu package)
[title] => Home (title of the menu item)
[alt_title] => Home (alt/title of the menu item)
[visible] => 1 (visibility of the menu item, it will be 1 for all menus,you can disregard it)
[link] => http://localhost/xoops-2.4.5/htdocs/ (alt/title of the menu item)
[weight] => 1 (this is for internal usage of the builder class, you can disregard it)
[target] => _self (to be used in link target element, it can be _self, _blank, etc..)
[groups] => Array (holds the groups who can view this link, you can disregard it)
[hooks] => Array (holds the hooks available to render the menu, you can disregard it)
[image] => (image to be used in the link, you can choose not to support it in your skin)
[css] => (this is inline css for this item, it goes inside <a style="$item.css">)
[oul] => 1 (IMPORTANT! Open UL -> this menu item requires skin to prepend <ul> open element tag)
[oli] => 1 (IMPORTANT! Open LI -> this menu item requires skin to prepend <li> open element tag)
[close] => (IMPORTANT! this holds closing tags, it will automatically generate </li></ul> tags for you)
[cul] => (IMPORTANT! Close UL -> this menu item requires skin to append </ul> close element tag, you should use [close] instead, unless you are not supporting multilevel menus)
[cli] => (IMPORTANT! Close LI -> this menu item requires skin to append </li> close element tag, you should use [close] instead, unless you are not supporting multilevel menus)
[hassub] => 1 (informs if this menu item has submenus, 1 for true, 0 for false)
[level] => 0 (informs the level of nesting of the menu item, 0 is for root, 1 for second level, etc..)
[down_weight] => 3 (for usage in menu sorting in admin side, you can ignore it)
[selected] => 1 (IMPORTANT, this tells the skin to highlight this item)
[topselected] => 1 (Important, this informs the skin that the menu is of level 0(root) and it is selected, you should highlight it)