function form($tag)
    {
        $category_color = '#FFFFFF';
        $category_image = '';
        if ($tag != EM_TAXONOMY_CATEGORY) {
            //not an add new tag form
            $EM_Category = new EM_Category($tag);
            $category_color = $EM_Category->get_color();
            $category_image = $EM_Category->get_image_url();
            $category_image_id = $EM_Category->get_image_id();
        }
        ?>
	    <tr class="form-field">
	        <th scope="row" valign="top"><label for="category-bgcolor">Calendar Color</label></th>
	        <td>
	            <input type="text" name="category_bgcolor" id="category-bgcolor" class="colorwell" value="<?php 
        echo esc_attr($category_color);
        ?>
" style="width:100px;"/><br />
	            <p class="description"><?php 
        echo sprintf(__('Choose a color for your category. You can access this using the %s placeholder.', 'dbem'), '<code>#_CATEGORYCOLOR</code>');
        ?>
</p>
	            <div id="picker" style="position:absolute; display:none; background:#DEDEDE"></div>
	        </td>
	    </tr>
	    <tr class="form-field">
	        <th scope="row" valign="top"><label for="category-image">Image</label></th>
	        <td>
	        	<?php 
        if (!empty($category_image)) {
            ?>
	        	<p><img src="<?php 
            echo $category_image;
            ?>
" /></p>
	        	<?php 
        }
        ?>
	            <input type="text" name="category_image" id="category-image" value="<?php 
        echo esc_attr($category_image);
        ?>
" style="width:300px;" />
	            <input type="hidden" name="category_image_id" id="category-image-id" value="<?php 
        echo esc_attr($category_image);
        ?>
" />
	            <input id="upload_image_button" type="button" value="<?php 
        _e('Choose/Upload Image', 'dbem');
        ?>
" class="button-secondary" style="width:auto;" /><br />
	            <p class="description"><?php 
        echo sprintf(__('Choose an image for your category, which can be displayed using the %s placeholder.', 'dbem'), '<code>#_CATEGORYIMAGE</code>');
        ?>
</p>
	        </td>
	    </tr>
	    <?php 
    }