function loadBottom(newPage){

        var current_url = top.enbottom.location.href;
        var last_position = current_url.lastIndexOf("/");
        var current_page = current_url.substring(last_position+1,current_url.length);

        if (current_page != newPage){
                top.enbottom.location.replace(newPage);
                }
        }