jQuery.noConflict();
jQuery(document).ready(
  function(){
    jQuery("#calculate").click(
      function(){
        var material = jQuery("#material").val();
        var depth = parseFloat(jQuery("#depth").val());
        var sqft = parseFloat(jQuery("#sqft").val());
        if(material == "mulch"){
          base_ft = .08333;
          base_yd = .1;
          total_ft = (base_ft * depth) * sqft;
          total_bags = Math.ceil(total_ft / 3);
          jQuery("#answer").html("<strong>" + total_ft.toFixed(2) + " Cubic Feet <br />(" + total_bags + " Bags of Agway Mulch)" + "</strong>");
        }
      });
  });