/*-----------------------------------------------------
 * Category type
-----------------------------------------------------*/
add_action ( 'category_add_form_fields', 'extra_category_fields');
add_action ( 'edit_category_form_fields', 'extra_category_fields');
function extra_category_fields( $tag ) {    
$t_id = $tag->term_id;
    $cat_meta = get_option( "category_$t_id"); 
    ?>
<tr class="form-field">
<th scope="row" valign="top"><label for="cat_meta[type]"><?php _e('Category type'); ?></label></th>
<td>
<?php //print_r($cat_meta); ?>
<select name="Cat_meta[type]" id="Cat_meta[type]">
    <option value="video" <?php if($cat_meta['type'] == 'video') echo 'selected="selected"'  ?>>Video</option>
    <option value="photo" <?php if($cat_meta['type'] == 'photo') echo 'selected="selected"'  ?>>Photo</option>
    <option value="music" <?php if($cat_meta['type'] == 'music') echo 'selected="selected"'  ?>>Music</option>
</select>
        </td>
</tr>
<?php
}
add_action ( 'edited_category', 'save_extra_category_fileds');
function save_extra_category_fileds( $term_id ) {
    if ( isset( $_POST['Cat_meta'] ) ) {
        $t_id = $term_id;
        $cat_meta = get_option( "category_$t_id");
        $cat_keys = array_keys($_POST['Cat_meta']);
            foreach ($cat_keys as $key){
            if (isset($_POST['Cat_meta'][$key])){
                $cat_meta[$key] = $_POST['Cat_meta'][$key];
            }
        }
        update_option( "category_$t_id", $cat_meta );
    }
}
function drpk_cat_type(){
    $cat_id = get_query_var('cat');
    $cat_meta = get_option("category_$cat_id");
    return isset($cat_meta['type'])? $cat_meta['type']: false;
}

<?php
$cat_type = drpk_cat_type();
if($cat_type){
  switch ($cat_type) {
    case 'video':
      echo "Video";
      break;
    case 'photo':
      echo "Photo";
      break;
    case 'music':
      echo "Music";
      break;
  }  
}

 ?>