function Element (name, template, type) {
    this.name = name;
    this.classes = ["formClass"];
    this.template = template;
};
// debugger;
function InputElement (name, template, type) {
    Element.call(this);
    this.type = type;
};
Element.prototype.draw = function (parentElement) {
    $Element = $(this.template);
    $Element.attr("name", this.name);
    $Element.addClass(this.classes.join(""));
    $Element.attr("type",)
    $(parentElement).prepend($Element);
    return $Element;
};

var testForm = new Element("form", "<form></form>");
var testInput = new Element("input", "<input></input>", "password");
testForm.draw("body");
testInput.draw("form");

function Element (template, attributes) {
    if(typeof attributes === "object") {
      for( var prop in attributes) {
        this[prop] = attributes[prop];
      }
    }
    this.template = template || "<div/>"; // по умолчанию div
};

// создавать элементв в prototype.draw:
$Element = $(this.template, this.attributes);

// и вызывать:
var testForm = new Element("<form/>", {name: "form"});
var testInput = new Element("<input/>", {name:"form", type:"password"});