var tp = {
    add_parts_content: null,
    accessories_field: null,
    init: function(){
        this.createPartsAddBtn();
        this.accessories_field = $('#accessories_field');
        this.add_parts_content = this.accessories_field.html();
    },
    createPartsAddBtn: function(){
        var add_parts_btn = $('#add_parts_btn');
        add_parts_btn.append('<a href="">Add another accessory..');
        add_parts_btn.click(function(e){
            tp.addPartsField();
            e.preventDefault();
        });
    },
    addPartsField: function(){
        this.accessories_field.append(this.add_parts_content);
    }
};

$(document).ready(function(){
    tp.init();
});