var DATA_D = new Array();
var TIME_TAB = 4000;


function proc_all_Content() {
    for (var i=0; i<DATA_D.length; i++) {
        var newsletter = DATA_D[i];
        if (newsletter > 0) start_Articles_switch(newsletter);
    }
}

function View_Article(newsletter, contentId) {

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

    turn_Data_off(newsletter);

    var id = "textXSMALL-" + newsletter + "-" + contentId;
    var o = document.getElementById(id);
    if (!o) return;
    o.className = "article";

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

function turn_Data_off(newsletter) {
    if (newsletter < 1) return;
    var id = "choose-" + newsletter;
    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 = "home_wp_news-" + newsletter + "-" + id;
        o = document.getElementById(id);
        if (!o) continue;
        o.style.display = "none";
    }
}

function start_Articles_switch(newsletter) {

    if (newsletter < 1) return;

    var sum = 0;
    var id = "choose-" + newsletter;
    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 == "article") {
            sum = i;
        }
    }

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

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

    turn_Data_off();
    View_Article(newsletter, id);
    
}

function display_selected_Content(newsletter) {
    for (var i=0; i<DATA_D.length; i++) {
        if (DATA_D[i] == newsletter) {
            DATA_D[i] = 0;
        }
    }
}

function Data_Roller(newsletter) {
    if (newsletter > 0) DATA_D.push(newsletter);
}



if (TIME_TAB > 0) setInterval(proc_all_Content, TIME_TAB);