title: I want to limit the selection of check box. Only one should be checked
body: <p>I want to limit the check "1"</p>
  
  <pre><code>&lt;li&gt;
    &lt;div class="label_box"&gt;
      &lt;label&gt;{translate text="view"}&lt;/label&gt;{$action_object-&gt;check_required('view_type')}
    &lt;/div&gt;
    &lt;div class="input_box"&gt;
      &lt;ul class="cb_options_list_short" id="cb_view_type"&gt;
        {foreach item=conf key=value from=$action_object-&gt;m_form_fields.view_type.options}
        &lt;li&gt;&lt;input type="checkbox" name="view_type_{$value}" id="view_type_{$value}" value="{$value}" {if $conf.value==$value}checked="checked" {/if} /&gt; &lt;strong&gt;{$conf.label}&lt;/strong&gt;&lt;/li&gt;
        {foreachelse} {if $action_object-&gt;m_is_admin}
        &lt;li&gt;&lt;a href="{site_url uri='admin/view_types'}"&gt;{translate text='view_types_view'}&lt;/a&gt;&lt;/li&gt;
        {else}
        &lt;li&gt;&lt;strong&gt;{translate text='n.a'}&lt;/strong&gt;
        &lt;/li&gt;
        {/if} {/foreach}
      &lt;/ul&gt;
  &lt;/li&gt;
  </code></pre>