var defaultSize = 10;
var curSize = getCookie("fontSize");
if (curSize == null || curSize == "") curSize = 10;
curSize = parseInt(curSize);
var maxSize = 14;
var minSize = 10;

function setFontSize() {
    setSize(curSize);
}

function setCookie(name, value, expires, path, domain, secure) {
    var curCookie = name + "=" + escape(value) +
              ((expires) ? "; expires=" + expires.toGMTString() : "") +
              ((path) ? "; path=" + path : "") +
              ((domain) ? "; domain=" + domain : "") +
              ((secure) ? "; secure" : "");
    document.cookie = curCookie;
}

function getCookie(name) {
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    }
    else begin += 2;
    var end = document.cookie.indexOf(";", begin);
    if (end == -1) end = dc.length;
    return unescape(dc.substring(begin + prefix.length, end));
}

function fixDate(date) {
    var base = new Date(0);
    var skew = base.getTime();
    if (skew > 0) date.setTime(date.getTime() - skew);
}

function saveIt(theSize) {
    var now = new Date();
    fixDate(now);
    now.setTime(now.getTime() + 365 * 24 * 60 * 60 * 1000);
    setCookie("fontSize", theSize, now, "/");
}

function setSize(theSize) {
    document.getElementById('bodyText').style.fontSize = curSize + 'pt';
}

function changeSize(whatToDo) {
    var increaseControl = document.getElementById("increaseSize");
    var decreaseControl = document.getElementById("decreaseSize");
    if (whatToDo == "0")
        curSize = curSize;
    else
        (whatToDo == "2") ? curSize = defaultSize : ((whatToDo == "1") ? curSize -= 1 : curSize += 1);
    
    if (curSize <= minSize) {
        curSize = minSize;
        decreaseControl.enabled = false;
        decreaseControl.style.color = "#CCCCCC";
        decreaseControl.style.cursor = "default";
    }
    else {
        decreaseControl.enabled = true;
        decreaseControl.style.color = "white";
        decreaseControl.style.cursor = "hand";
    }
    if (curSize >= maxSize) {
        curSize = maxSize;
        increaseControl.enabled = false;
        increaseControl.style.color = "#CCCCCC";
        increaseControl.style.cursor = "default";
    }
    else {
        increaseControl.enabled = true;
        increaseControl.style.color = "white";
        increaseControl.style.cursor = "hand";
    }
    setSize(curSize);
    saveIt(curSize);
}

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]; }
}
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 fnTrapKD(btn, e) {
    var key;
    var h = document.getElementById(btn);
    if (window.event)
        key = window.event.keyCode;
    else
        key = e.which;
    if (key == 13) {
        h.click();
        event.keyCode = 0;
    }
}


function autoComplete_itemSelected(sender, e) {
    var text = e.get_text();
    var targetElement = sender.get_element();
    targetElement.value = text;
}

function fnScroll() {
    window.scrollTo(0, 350);
}