function SeciliTab(tab) {
    if (tab == null) { return; }
    tab.className = "sekme_secili";
}
function NormalTab(tab) {
    if (tab == null) { return; }
    tab.className = "sekme";
}

function SetLink(link, url, kategori) {
    if (link == null) { return; }
    link.href = url + "?kategori=" + kategori;
}

function SetBaslik(el, baslik) {
    if (el == null) { return; }
    el.innerText = baslik;
}

function HaberKategori(kategori) {
    NormalTab(document.getElementById("tbhborsa"));
    NormalTab(document.getElementById("tbhekonomi"));
    NormalTab(document.getElementById("tbhfinans"));
    var baslik = "haberler";
    switch (kategori) {
        case "BORSA":
            SeciliTab(document.getElementById("tbhborsa"));
            baslik = "borsa haberleri";
            break
        case "EKONOMI":
            SeciliTab(document.getElementById("tbhekonomi"));
            baslik = "ekonomi haberleri";
            break
        case "FINANS":
            SeciliTab(document.getElementById("tbhfinans"));
            baslik = "finans haberleri";
            break
    }
    SetLink(document.getElementById("tumhaberlink"), "../genel/TumHaberler.aspx", kategori);
    SetBaslik(document.getElementById("tumhaber"), baslik);
}

function DikkatCekenHisselerKategori(kategori) {
    NormalTab(document.getElementById("thDCH_Gunluk"));
    NormalTab(document.getElementById("thDCH_Haftalik"));
    switch (kategori) {
        case "GUNLUK":
            SeciliTab(document.getElementById("thDCH_Gunluk"));
            break
        case "HAFTALIK":
            SeciliTab(document.getElementById("thDCH_Haftalik"));
            break
    }
}

function YorumKategori(kategori) {
    NormalTab(document.getElementById("tbborsa"));
    NormalTab(document.getElementById("tbbonorepo"));
    NormalTab(document.getElementById("tbvob"));
    NormalTab(document.getElementById("tbfon"));
    var baslik = "";
    var altbaslik = "";
    switch (kategori) {
        case "BORSA":
            SeciliTab(document.getElementById("tbborsa"))
            baslik = "Borsa";
            altbaslik = "Borsa";
            break
        case "BONOREPO":
            SeciliTab(document.getElementById("tbbonorepo"))
            baslik = "Faiz";
            altbaslik = "Faiz";
            break
        case "VOB":
            SeciliTab(document.getElementById("tbvob"))
            baslik = "VOB";
            altbaslik = "VOB";
            break
        case "FON":
            SeciliTab(document.getElementById("tbfon"))
            baslik = "Fon";
            altbaslik = "Fon";

            break
    }
    SetLink(document.getElementById("tumyorumlink"), "../genel/TumYorumlar.aspx", kategori);
    SetBaslik(document.getElementById("yorumbaslik"), baslik);
    SetBaslik(document.getElementById("tumyorum"), altbaslik);
}

function GrafikKategori(kategori) {
    NormalTab(document.getElementById("tbgendeks"));
    NormalTab(document.getElementById("tbgdunya"));
    NormalTab(document.getElementById("tbgbonorepo"));
    NormalTab(document.getElementById("tbgvob"));
    NormalTab(document.getElementById("tbgdoviz"));
    NormalTab(document.getElementById("tbgaltin"));
    NormalTab(document.getElementById("tbgfon"));
    switch (kategori) {
        case "IMKB":
            SeciliTab(document.getElementById("tbgendeks"))
            break
        case "BONOREPO":
            SeciliTab(document.getElementById("tbgbonorepo"))
            break
        case "VOB":
            SeciliTab(document.getElementById("tbgvob"))
            break
        case "FON":
            SeciliTab(document.getElementById("tbgfon"))
            break
        case "DUNYA":
            SeciliTab(document.getElementById("tbgdunya"))
            break
        case "DOVIZ":
            SeciliTab(document.getElementById("tbgdoviz"))
            break
        case "ALTIN":
            SeciliTab(document.getElementById("tbgaltin"))
            break

    }
}

function NewWindow(mypage, myname, w, h, scroll) {
    var winl = (screen.width - w) / 2;
    var wint = (screen.height - h) / 2;
    var settings = 'height=' + h + ',';
    settings += 'width=' + w + ',';
    settings += 'top=' + wint + ',';
    settings += 'left=' + winl + ',';
    settings += 'scrollbars=' + scroll + ',';
    settings += 'resizable=yes';
    return window.open(mypage, myname, settings);
}


/* Client-side access to querystring name=value pairs
Version 1.3
28 May 2008
	
License (Simplified BSD):
http://adamv.com/dev/javascript/qslicense.txt
*/
function Querystring(qs) { // optionally pass a querystring to parse
    this.params = {};

    if (qs == null) qs = location.search.substring(1, location.search.length);
    if (qs.length == 0) return;

    // Turn <plus> back to <space>
    // See: http://www.w3.org/TR/REC-html40/interact/forms.html#h-17.13.4.1
    qs = qs.replace(/\+/g, ' ');
    var args = qs.split('&'); // parse out name/value pairs separated via &

    // split out each name=value pair
    for (var i = 0; i < args.length; i++) {
        var pair = args[i].split('=');
        var name = decodeURIComponent(pair[0]);

        var value = (pair.length == 2)
			? decodeURIComponent(pair[1])
			: name;

        this.params[name] = value;
    }
}

Querystring.prototype.getkey = function(key, default_) {
    var value = this.params[key];
    return (value != null) ? value : default_;
}

Querystring.prototype.contains = function(key) {
    var value = this.params[key];
    return (value != null);
}