Zephyr_block_loop_with_index_check

     <tr>
      <!-- Start Active_collections TD -->
      <td style="padding-bottom:10px; padding-top:20px;">
        <table width="100%" cellspacing="0" cellpadding="0">

        <!-- accesses array length to check if it's an odd or even number -->
        {a = length(active)}
          {if (a % 2) != 0}
            {a = a - 1}
          {/if}

          <tr> <!-- 1st row of deals -->
          <!-- -->
             {foreach slice(active,0,a) as i, c }

                <!-- Starts single collection item -->
                <td valign="top" width="310">
                  <table width="100%" cellspacing="0" cellpadding="0">
                    <tr>
                      <td width="308" style="line-height:0; border:1px solid #ccc;" bgcolor="#cccccc"><a href="{c.url}"><img src="{c.image_url}" align="left" border="0" vspace="0" hspace="0" width="308" height="308" alt="" /></a></td>
                    </tr>
                    <tr>
                <!-- calls the name for each of the client's product "collections" -->
                      <td style="font:20px/22px Georgia, Times, serif; color:#383838; text-transform:uppercase; padding:5px 0 0;">{c.name}</td>
                    </tr>
                    <tr>
                <!-- calls the tagline for each of the client's product "collections" -->
                      <td style="font:14px/22px Georgia, Times, serif; color:#666; padding-bottom:2px;">{c.tagline}.</td>
                    </tr>
                    <tr>
                <!-- calls the sale_end date from content array and converts to appropriate date format -->
                      <td style="font:14px/16px Georgia, Times, serif; color:#9e9d9d;"><b style="color:#df3c3c;"><i>Sale Ends
                      {sale_end = c.sale_ends}
                      {date("M/d",time(sale_end))}
                      </i></b> | <a href="{c.url}" style="text-decoration:none; color:#249efc;"><i>Shop Now</i></a></td>
                    </tr>
                  </table>
                </td> <!-- Ends single collection item -->

            {if (i % 2) != 0}
            <!-- code for odd numbered index returns code for new row -->
                </tr> <!-- ends row-->

                <tr> <!-- space between rows -->
                  <td height="23" style="line-height:0; font-size:0;" colspan="3">&nbsp;</td>
                </tr>

              <tr> <!-- starts next new row-->

            {else}
            <!-- code for even numbered index returns code for td spacer only -->
            <!-- TD spacer -->
                <td width="10" style="line-height:0; font-size:0;"></td>
            {/if}


          {/foreach}

              </tr>
            </table></td>
        </tr>
        <tr>
          <td height="36" style="line-height:0; font-size:0;">&nbsp;</td>
        </tr>