can anyone give me some direction on how to make a regular horizontal tabset? Do you just leave the vertical off?

very nice

can I add an addiitonal level?

$fields->addFieldToTab("Root.Content.Main.Foo.Bar", new TextField('Bar'));

I really appreciate the help... about 10 days in and I feel like I found the most amazing thing ever...

I tried what you sggested. The build went fine, but when I tried to create the page type in the CMS I got a pop-up window an error... any thoughts???

MY .php File
---------------------------------------
<?php

class test extends Page {
   
   static $db = array(   
   '1' => 'Text',
   '2' => 'Text',
   '3' => 'Text',
   '4' => 'Text',
   '5' => 'Text',
   );
   
   static $has_one = array(
);

static $defaults = array(
'ProvideComments' => true
);

function getCMSFields() {
$fields = parent::getCMSFields();
$fields->addFieldToTab('Root.Content.Main.Profile', new TextField('1'));
$fields->addFieldToTab('Root.Content.Main.Subject1', new TextField('2'));
$fields->addFieldToTab('Root.Content.Main.Subject2', new TextField('3'));
$fields->addFieldToTab('Root.Content.Main.subject3', new TextField('4'));
$fields->addFieldToTab('Root.Content.Main.Subject4', new TextField('5'));
      
return $fields;}

}

class test_Controller extends Page_Controller {
   
}

?>

-------------------

The Error
---------------------------------------
ERROR:Error 256: FieldSet::addFieldToTab() Tried to add a tab to a Tab object - 'Profile' didn't exist.
At l142 in C:\wamp\www\ss\sapphire\forms\FieldSet.php
user_error(FieldSet::addFieldToTab() Tried to add a tab to a Tab object - 'Profile' didn't exist.,256)
line 142 of FieldSet.php

FieldSet->findOrMakeTab(Root.Content.Main.Profile)
line 55 of FieldSet.php

FieldSet->addFieldToTab(Root.Content.Main.Profile,TextField)
line 24 of test.php

test->getCMSFields(CMSMain)
line 363 of CMSMain.php

CMSMain->getEditForm(18)
line 752 of LeftAndMain.php

LeftAndMain->EditForm()
line 227 of LeftAndMain.php

LeftAndMain->getitem(Array)
line 261 of Controller.php

Controller->run(Array)
line 104 of Director.php

Director::direct(/admin/getitem)
line 158 of main.php