function linkboxAddLink(instance)
{
    ApOnListAddEditor.add("linkboxList_" + instance, "");
    //remove all fake editors
    var list = $("linkboxList_" + instance);
    var childrenToRemove = new Array();
    for(var i = 0; i < list.childNodes.length; i++) {
        var node = list.childNodes[i];
        if (node.nodeName == "LI") {
            if (node.getAttribute("class") == "fake") {
                childrenToRemove[childrenToRemove.length] = node;
            }
        }
    }
    for(var i = 0; i < childrenToRemove.length; i++) {
        list.removeChild(childrenToRemove[i]);
    }
}