function add_field() {

    var newFields = document.getElementById('add_picture_place').cloneNode(true);
    newFields.id = '';
    newFields.style.display = 'block';
    var newField = newFields.childNodes;
    for (var i=0;i<newField.length;i++) {
        var theName = newField[i].name;
        if (theName)
                newField[i].name = theName;// + Hotelcounter;
        }
        var insertHere = document.getElementById('add_picture_place');
        insertHere.parentNode.insertBefore(newFields,insertHere);



}