so_ticker = new Object();
so_ticker = {
    current: 0,
    currentLetter: 0,
    zInterval: null,
    tObj: null,
    op: 0.95,
    pause: false,
    tickerContent: [],
    LETTER_TICK: 100,
    FADE: 10,
    NEXT_ITEM_TICK: 3000,
    init: function() {
        var d = document;
        var mObj = d.getElementById("so_oTickerContainer");
        so_ticker.tObj = d.createElement("div");
        so_ticker.tObj.setAttribute("id", "so_tickerDiv");
        var h = d.createElement("h1");
        h.appendChild(d.createTextNode(so_ticker.getTextNodeValues(mObj.getElementsByTagName("h1")[0])));
        h.setAttribute("id", "so_tickerH1");
        var ea = d.createElement("a");
//        ea.setAttribute("href", "javascript:so_ticker.showContent();");
//        pImg = ea.appendChild(document.createElement("img"));
//        pImg.setAttribute("src", "plus.png");
//        pImg.setAttribute("alt", "Click to View all News Items.");
//        ea.setAttribute("title", "Click to View all News Items.");
        h.insertBefore(ea, h.firstChild);
        anchors = mObj.getElementsByTagName("a");
        var nObj = mObj.cloneNode(false);
        mObj.parentNode.insertBefore(nObj, mObj);
        mObj.style.display = "none";
        nObj.className = "so_tickerContainer";
        nObj.setAttribute("id", "so_oTickerContainer");
        nObj.appendChild(h);
        nObj.appendChild(so_ticker.tObj);
        so_ticker.getTickerContent();
        so_ticker.zInterval = setInterval(so_ticker.tick, so_ticker.LETTER_TICK);
    },
    showContent: function() {
        var d = document;
        d.getElementById("so_oTickerContainer").style.display = "block";
        d.getElementById("so_nTickerContainer").style.display = "none";
        d.getElementById("so_oTickerContainer").getElementsByTagName("a")[0].focus();
        clearInterval(so_ticker.zInterval);
    },
    getTickerContent: function() {
        for (var i = 0; i < anchors.length; i++) so_ticker.tickerContent[i] = so_ticker.getTextNodeValues(anchors[i]);
    },
    getTextNodeValues: function(obj) {
        if (obj.textContent) return obj.textContent;
        if (obj.nodeType == 3) return obj.data;
        var txt = [], i = 0;
        while (obj.childNodes[i]) {
            txt[txt.length] = so_ticker.getTextNodeValues(obj.childNodes[i]);
            i++;
        }
        return txt.join("");
    },
    tick: function() {
        var d = document;
        if (so_ticker.pause) {
            try {
                so_ticker.clearContents(d.getElementById("so_tickerAnchor"));
                d.getElementById("so_tickerAnchor").appendChild(d.createTextNode(so_ticker.tickerContent[so_ticker.current]));
                so_ticker.currentLetter = so_ticker.tickerContent[so_ticker.current].length;
            } catch (err) { }
            return;
        }
        if (!d.getElementById("so_tickerAnchor")) {
            var aObj = so_ticker.tObj.appendChild(d.createElement("a"));
            aObj.setAttribute("id", "so_tickerAnchor");
            aObj.setAttribute("href", anchors[so_ticker.current].getAttribute("href"));
            aObj.onmouseover = function() { so_ticker.pause = true; }
            aObj.onmouseout = function() { so_ticker.pause = false; }
            aObj.onfocus = aObj.onmouseover;
            aObj.onblur = aObj.onmouseout;
            aObj.setAttribute("title", so_ticker.tickerContent[so_ticker.current]);
        }
        d.getElementById("so_tickerAnchor").appendChild(d.createTextNode(so_ticker.tickerContent[so_ticker.current].charAt(so_ticker.currentLetter)));
        so_ticker.currentLetter++;
        if (so_ticker.currentLetter > so_ticker.tickerContent[so_ticker.current].length) {
            clearInterval(so_ticker.zInterval);
            setTimeout(so_ticker.initNext, so_ticker.NEXT_ITEM_TICK);
        }
    },
    fadeOut: function() {
        if (so_ticker.paused) return;
        so_ticker.setOpacity(so_ticker.op, so_ticker.tObj);
        so_ticker.op -= .10;
        if (so_ticker.op < 0) {
            clearInterval(so_ticker.zInterval);
            so_ticker.clearContents(so_ticker.tObj);
            so_ticker.setOpacity(.95, so_ticker.tObj);
            so_ticker.op = .95;
            so_ticker.zInterval = setInterval(so_ticker.tick, so_ticker.LETTER_TICK);
        }
    },
    initNext: function() {
        so_ticker.currentLetter = 0, d = document;
        so_ticker.current = so_ticker.tickerContent[so_ticker.current + 1] ? so_ticker.current + 1 : 0;
        d.getElementById("so_tickerAnchor").setAttribute("href", anchors[so_ticker.current].getAttribute("href"));
        d.getElementById("so_tickerAnchor").setAttribute("title", so_ticker.tickerContent[so_ticker.current]);
        so_ticker.zInterval = setInterval(so_ticker.fadeOut, so_ticker.FADE);
    },
    setOpacity: function(opValue, obj) {
        obj.style.opacity = opValue;
        obj.style.MozOpacity = opValue;
        obj.style.filter = "alpha(opacity=" + (opValue * 100) + ")";
    },
    clearContents: function(obj) {
        try {
            while (obj.firstChild) obj.removeChild(obj.firstChild);
        } catch (err) { }
    }
}


function page_init() {
    so_ticker.init();
}
window.addEventListener ? window.addEventListener("load", page_init, false) : window.attachEvent("onload", page_init);