If # is present, calculate the total, if all #s are not calculated, let the total still be calculated
<p>as you can see in the picture, it would be silly for the user to have to type in all 5 Requested Brands (as that is not required). Maybe they only want to choose one Requested Brand. As it is currently set up, the subtotal is only calculated if the user enters 5 unit costs and 5 quantities...not good. If they don't enter all 5, subtotal returns NaN. </p>

<p><img src="http://imgur.com/HFHks.png" alt="req brands"></p>

<pre><code>$("a#full_sub_total").click(function(event){
  event.preventDefault();

  var first = $("div#total_result").text();
  var second = $("div#total_result1").text();
  var third = $("div#total_result2").text();
  var fourth = $("div#total_result3").text();
  var fifth = $("div#total_result4").text();

  $("#full_total_results p").text((parseInt(first,10) + parseInt(second,10) + parseInt(third,10) + parseInt(fourth,10) + parseInt(fifth,10)));

});
</code></pre>

<p>Any help is greatly appreciated. </p>
