l('<div class="center">The build process has encountered the following error.</div><div class="center">'+error+'</div>');
              }
            });
          }
        }); // end on submit
      }); // end on load

      function CAD(id, url, width, height) {
        var _cad = this
        this.id = id;
        this.url = url;
        this.width = width;
        this.height = height;

        this.init = function() {
          _cad.camera = new THREE.PerspectiveCamera(40, _cad.width / _cad.height, 10