// JavaScript Document

scores = new Array(20); var numTotal = 0;
NS4 = (document.layers) ? 1 : 0;
IE4 = (document.all) ? 1 : 0;
ver4 = (NS4 || IE4) ? 1 : 0;
if (ver4) {
    with (document) {
        write("<STYLE TYPE='text/css'>");
        if (NS4) {
            write(".parent {position:absolute; visibility:visible}");
            write(".child {position:absolute; visibility:visible}");
            write(".regular {position:absolute; visibility:visible}")
        }
        else { write(".child {display:none}") } write("</STYLE>");
    }
}
function getIndex(el) {
    ind = null;
    for (i = 0; i < document.layers.length; i++) {
        whichEl = document.layers[i];
        if (whichEl.id == el) {
            ind = i; break;
        }
    }
    return ind;
}
function arrange() {
    nextY = document.layers[firstInd].pageY + document.layers[firstInd].document.height;
    for (i = firstInd + 1; i < document.layers.length; i++) {
        whichEl = document.layers[i];
        if (whichEl.visibility != "hide") {
            whichEl.pageY = nextY;
            nextY += whichEl.document.height;
        }
    }
}
function initIt() {
    if (!ver4) return;
    if (NS4) {
        for (i = 0; i < document.layers.length; i++) {
            whichEl = document.layers[i];
            if (whichEl.id.indexOf("Child") != -1) whichEl.visibility = "hide";
        } arrange();
    }
    else {
        divColl = document.all.tags("DIV");
        for (i = 0; i < divColl.length; i++) {
            whichEl = divColl(i);
            if (whichEl.className == "child") whichEl.style.display = "none";
        } 
    }
}
function expandIt(el) {

    if (IE4 || true) {
        whichEl1 = document.getElementById(el + "Child");
        for (i = 1; i <= numTotal; i++) {
            whichEl = eval(scores[i] + "Child"); //alert(whichEl1.id+"--"+whichEl.id)
            if (whichEl != whichEl1) { whichEl.style.display = "none"; }
        }
        if (whichEl1.style.display == "none") {
            whichEl1.style.display = "block";
        }
        else {
            whichEl1.style.display = "none";
        }
    }
    else {
        whichEl = eval("document." + el + "Child");
        for (i = 1; i <= numTotal; i++) {
            whichEl = eval("document." + scores[i] + "Child");
            if (whichEl != whichEl1) { whichEl.visibility = "hide"; }
        }
        if (whichEl.visibility == "hide") { whichEl.visibility = "show"; }
        else { whichEl.visibility = "hide"; }
        arrange();
    }
    setCookie("show_item", el);
}
// --- 设置cookie
function setCookie(sName, sValue, expireHours) {
    var cookieString = sName + "=" + escape(sValue);
    //;判断是否设置过期时间
    if (expireHours > 0) {
        var date = new Date();
        date.setTime(date.getTime + expireHours * 3600 * 1000);
        cookieString = cookieString + "; expire=" + date.toGMTString();
    }
    document.cookie = cookieString;
}
//--- 获取cookie
function getCookie(sName) {
    var aCookie = document.cookie.split("; ");
    for (var j = 0; j < aCookie.length; j++) {
        var aCrumb = aCookie[j].split("=");
        if (escape(sName) == aCrumb[0])
            return unescape(aCrumb[1]);
    }
    return null;
}
var show_item
onload = function() {
    initIt();
    show_item = "KB1";
    if (getCookie("show_item") != null) { show_item = getCookie("show_item"); }
    if (show_item != "KB1")
        expandIt(show_item)
}
function MM_swapImgRestore() { //v3.0
    var i, x, a = document.MM_sr; for (i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++) x.src = x.oSrc;
}
function MM_preloadImages() { //v3.0
    var d = document; if (d.images) {
        if (!d.MM_p) d.MM_p = new Array();
        var i, j = d.MM_p.length, a = MM_preloadImages.arguments; for (i = 0; i < a.length; i++)
            if (a[i].indexOf("#") != 0) { d.MM_p[j] = new Image; d.MM_p[j++].src = a[i]; } 
    }
}

function MM_findObj(n, d) { //v4.01
    var p, i, x; if (!d) d = document; if ((p = n.indexOf("?")) > 0 && parent.frames.length) {
        d = parent.frames[n.substring(p + 1)].document; n = n.substring(0, p);
    }
    if (!(x = d[n]) && d.all) x = d.all[n]; for (i = 0; !x && i < d.forms.length; i++) x = d.forms[i][n];
    for (i = 0; !x && d.layers && i < d.layers.length; i++) x = MM_findObj(n, d.layers[i].document);
    if (!x && d.getElementById) x = d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
    var i, j = 0, x, a = MM_swapImage.arguments; document.MM_sr = new Array; for (i = 0; i < (a.length - 2); i += 3)
        if ((x = MM_findObj(a[i])) != null) { document.MM_sr[j++] = x; if (!x.oSrc) x.oSrc = x.src; x.src = a[i + 2]; }
}