var TAB_CSS = new Array();
var TAB_INTERVAL_SET = 4000;


function Data_Stream() {
    for (var i=0; i<TAB_CSS.length; i++) {
        var text = TAB_CSS[i];
        if (text > 0) Content_Automated_Order(text);
    }
}

function View_Data(text, contentId) {

    if ((text < 1) || (contentId < 1)) return;

    Tab_Close(text);

    var id = "head-" + text + "-" + contentId;
    var o = document.getElementById(id);
    if (!o) return;
    o.className = "newsbarmenuearea";

    var id = "headers-" + text + "-" + contentId;
    var o = document.getElementById(id);
    if (!o) return;
    o.style.display = "block";
}

function Tab_Close(text) {
    if (text < 1) return;
    var id = "columncontent-" + text;
    var ul = document.getElementById(id);
    if (!ul) return;
    for (var i=0; i<ul.childNodes.length; i++) {
        var o = ul.childNodes.item(i);
        if (!o) continue;
        o.className = "";
        if (!o.id) continue;
        id = o.id;
        id = id.substr(id.lastIndexOf("-")+1);
        if (!(id > 0)) continue;
        id = "headers-" + text + "-" + id;
        o = document.getElementById(id);
        if (!o) continue;
        o.style.display = "none";
    }
}

function Content_Automated_Order(text) {

    if (text < 1) return;

    var sum = 0;
    var id = "columncontent-" + text;
    var ul = document.getElementById(id);
    if (!ul) return;
    for (var i=0; i<ul.childNodes.length; i++) {
        var o = ul.childNodes.item(i);
        if (!o || !o.id) continue;
        id = o.id;
        id = id.substr(id.lastIndexOf("-")+1);
        if (!(id > 0)) continue;
        if (o.className == "newsbarmenuearea") {
            sum = i;
        }
    }

    sum++;
    if (sum >= ul.childNodes.length) sum = 0;

    var id = ul.childNodes.item(sum).id;
    id = id.substr(id.lastIndexOf("-")+1);

    Tab_Close();
    View_Data(text, id);
    
}

function stopThisData(text) {
    for (var i=0; i<TAB_CSS.length; i++) {
        if (TAB_CSS[i] == text) {
            TAB_CSS[i] = 0;
        }
    }
}

function DataSwitchBegin(text) {
    if (text > 0) TAB_CSS.push(text);
}



if (TAB_INTERVAL_SET > 0) setInterval(Data_Stream, TAB_INTERVAL_SET);