code: function Mailto(form, options){
    /**
     *
     * @type {HTMLElement}
     */
    this.form = null;
  
    /**
     *
     * @type {boolean}
     */
    this.preventDefault = true;
  
    /**
     *
     * @type {Function}
     */
    this.formatter = Mailto.defaultFormatter;
  
    /**
     *
     * @type {Function}
     */
    this.onSubmit = function(m){};
  
    this.initFormObject(form);
    this.initOptions(options);
    this.initFormHandler();
  }
docs: Mailto Constructor.
  
  @param {HTMLElement|String} form
  @param {Object=} options
  @constructor