var news_items = new Array();
var news_item_i = 0;
var news_item_element;
var text_delay = 3000;
var clear_delay = 500;

function AddNewsItem(text)
{
    news_items.push(text);
}

function SetNewsItemElement(elementid)
{
    news_item_element = elementid;
}

function SetDelays(text, clear)
{
    text_delay = text;
    clear_delay = clear;
}

function SetNewsText()
{
    var element = document.getElementById(news_item_element);
    if(element != null) element.innerHTML = news_items[news_item_i];
    setTimeout(ClearNewsText, text_delay);
}

function ClearNewsText()
{
    news_item_i++;
    if(news_item_i >= news_items.length)
        news_item_i = 0;
    var element = document.getElementById(news_item_element);
    if(element != null) element.innerHTML = "";
    setTimeout(SetNewsText, clear_delay);
}