var fullcart = {

add: function() {
    Cookies.set('addtocart', true);
    this.changeImage();
    return true;
},
changeImage: function() {
    $('input.view-cart')[0].src = '/img/cart-full.png';
},
init: function() {
    if(Cookies.get('addtocart') == 'true') {
        fullcart.changeImage();
    }    
}

}

$(document).ready(function() {

fullcart.init();

}.bind(this));