code: function() {
              this.containerOptions = {};
              this.formOptions = {};
              
              if(!$.fn[this.containerName]) {
                  throw new Error(this.containerName + ' not found. Have you included corresponding js file?');   
              }
              
              var cDef = $.fn[this.containerName].defaults;
              //keys defined in container defaults go to container, others go to form
              for(var k in this.options) {
                if(k in cDef) {
                   this.containerOptions[k] = this.options[k];
                } else {
                   this.formOptions[k] = this.options[k];
                } 
              }
          }
docs: split options on containerOptions and formOptions