Luminate CMS: Display 3 random items from the list

three-random-items-list.html

<t:if test="length > 0"><!-- is there a list? -->
      <t:set id="iRandom" value="random(length)+1" /><!-- set a variable equal to a number between 1 and the length of the list -->
      
      <!-- if random number is within 2 of the last item in the list, subtract 2 -->
      <t:if test="iRandom >= (length-2) && iRandom <= length">
          <t:set id="iRandom" value="iRandom-2" />
      </t:if>
      
      <!-- if the variable is now negative due to the subtraction above, reset it to 1 (the first list item) -->
      <t:if test="iRandom <= 0">
          <t:set id="iRandom" value="1" />
      </t:if>
      
      <!-- simple 3-column table output  open the table and tr outside of the list   -->
      <table width="100%" cellspacing="5">
          <tbody>
              <tr>
	              <t:list><!-- start looping through the list -->
	                  <t:if test="index == iRandom || index == (iRandom+1) || index == (iRandom+2) "><!--if the list index position matches our variable, start the output-->
	                  <td valign=top width="33%">
	                      <strong>${title}</strong><br>
	                      ${description}<br>
	                      <a href="${external_url}">More Information</a>
	                  </td>
	                  </t:if>
	              </t:list>
              </tr>
          </tobdy>
      </table>
</t:if>