Disable (grey out) Item in Check Box

Thanks Crooked. Yeah, I've tried using 'disabled', but I can't seem to apply it to just one item in an array of checkboxes. For instance. Say I had a list of fruit; I don't, but say I did. The listed fruit are all part of the same form item call "fruit". So I have a form element of X check boxes where the number checkboxes and description of each is associated with an array.

So in the form the fruit item would look something like this

$form['fruit'] = array(

'#title' => t('Select Fruit'),
'#type' => 'checkboxes',
'#options' => $fruit_id,
'#disabled' => $fruit_available,
'#default_value' => $fruit_type

);

$fruit_id and $fruit_type are both arrays created through a database query and loop. I've tried doing the same with disabled, but no luck. Seems to ignore disabled as an array. If I set '#disabled' to simple true(not an array), all the boxes become greyed out -- disabled. I want to target just one or two items in the entire list.

To create the disabled array, I loop through a query like this:

while(.......){

if ($data->available <= 0){
$fruit_available[$data->fruit_id] = "FALSE";
}else{
$fruit_available[$data->fruit_id] = "TRUE";
}

}

Thanks in advance for the assistance.