/* X Library, Copyright (C) 2001,2002,2003,2004,2005 Michael Foster (Cross-Browser.com). Distributed under the terms of the GNU LGPL */
/* layout2or3_xlib.js compiled with XC v0.22b, see layout2or3_xlib.txt for contributor copyrights, license info and documentation */
var xVersion = '4.0', xOp7, xOp5or6, xIE4Up, xIE4, xIE5, xNN4, xMoz, xMac, xUA = navigator.userAgent.toLowerCase();

if (window.opera) {
    xOp7 = (xUA.indexOf('opera 7') != -1 || xUA.indexOf('opera/7') != -1);
    if (!xOp7) xOp5or6 = (xUA.indexOf('opera 5') != -1 || xUA.indexOf('opera/5') != -1 || xUA.indexOf('opera 6') != -1 || xUA.indexOf('opera/6') != -1);
}
else if (document.all && xUA.indexOf('msie') != -1) {
    xIE4Up = parseInt(navigator.appVersion) >= 4; xIE4 = xUA.indexOf('msie 4') != -1; xIE5 = xUA.indexOf('msie 5') != -1;
}
else if (document.layers) {
    xNN4 = true;
}

xMoz = xUA.indexOf('gecko') != -1;
xMac = xUA.indexOf('mac') != -1;

function xGetElementById(e) {
    if (typeof (e) != 'string') return e;
    if (document.getElementById)
    { e = document.getElementById(e); }
    else if (document.all)
    { e = document.all[e]; }
    else
    { e = null; return e; }
}

function xStr(s) {
    for (var i = 0; i < arguments.length; ++i) {
        if (typeof (arguments[i]) != 'string')
        { return false; }
    }
    return true;
}

function xScrollLeft(e, bWin) {
    var offset = 0;
    if (!xDef(e) || bWin) {
        var w = e || window;
        if (w.document.documentElement && w.document.documentElement.scrollLeft)
        { offset = w.document.documentElement.scrollLeft; }
        else if (w.document.body && xDef(w.document.body.scrollLeft))
        { offset = w.document.body.scrollLeft; }
    }
    else {
        e = xGetElementById(e);
        if (e && xNum(e.scrollLeft))
        { offset = e.scrollLeft; }
    }
    return offset;
}

function xScrollTop(e, bWin) {
    var offset = 0;
    if (!xDef(e) || bWin) {
        var w = e || window;
        if (w.document.documentElement && w.document.documentElement.scrollTop)
        { offset = w.document.documentElement.scrollTop; }
        else if (w.document.body && xDef(w.document.body.scrollTop))
        { offset = w.document.body.scrollTop; }
    }
    else {
        e = xGetElementById(e);
        if (e && xNum(e.scrollTop))
        { offset = e.scrollTop; }
    }
    return offset;
}

function xHeight(e, h) {
    if (!(e = xGetElementById(e)))
    { return 0; }

    if (xNum(h)) {
        if (h < 0)
        { h = 0; }
        else
        { h = Math.round(h); }
    }
    else
    { h = -1; }
    var css = xDef(e.style);

    if (css && xDef(e.offsetHeight) && xStr(e.style.height)) {
        if (h >= 0) {
            var pt = 0, pb = 0, bt = 0, bb = 0;
            if (document.compatMode == 'CSS1Compat') {
                var gcs = xGetComputedStyle;
                pt = gcs(e, 'padding-top', 1);
                if (pt != null) {
                    pb = gcs(e, 'padding-bottom', 1);
                    bt = gcs(e, 'border-top-width', 1);
                    bb = gcs(e, 'border-bottom-width', 1);
                }
                else if (xDef(e.offsetHeight, e.style.height)) {
                    e.style.height = h + 'px';
                    pt = e.offsetHeight - h;
                }
            }
            h -= (pt + pb + bt + bb);
            if (isNaN(h) || h < 0)
            { return; }
            else
            { e.style.height = h + 'px'; }
        }
        h = e.offsetHeight;
    }
    else if (css && xDef(e.style.pixelHeight)) {
        if (h >= 0)
        { e.style.pixelHeight = h; }
        h = e.style.pixelHeight;
    }
    return h;
}

function xClientWidth() {
    var w = 0;
    if (xOp5or6)
    { w = window.innerWidth; }
    else if (document.compatMode == 'CSS1Compat' && !window.opera && document.documentElement && document.documentElement.clientWidth)
    { w = document.documentElement.clientWidth; }
    else if (document.body && document.body.clientWidth)
    { w = document.body.clientWidth; }
    else if (xDef(window.innerWidth, window.innerHeight, document.height)) {
        w = window.innerWidth;
        if (document.height > window.innerHeight)
        { w -= 16; }
    }
    return w;
}

function xClientHeight() {
    var h = 0;
    if (xOp5or6)
    { h = window.innerHeight; }
    else if (document.compatMode == 'CSS1Compat' && !window.opera && document.documentElement && document.documentElement.clientHeight)
    { h = document.documentElement.clientHeight; }
    else if (document.body && document.body.clientHeight)
    { h = document.body.clientHeight; }
    else if (xDef(window.innerWidth, window.innerHeight, document.width)) {
        h = window.innerHeight;
        if (document.width > window.innerWidth)
        { h -= 16; }
    }
    return h;
}

function xAddEventListener(e, eT, eL, cap) {
    if (!(e = xGetElementById(e)))
    { return; }
    eT = eT.toLowerCase();
    if ((!xIE4Up && !xOp7 /* && !xMoz */) && e == window) {
        if (eT == 'resize') {
            window.xPCW = xClientWidth();
            window.xPCH = xClientHeight();
            window.xREL = eL; xResizeEvent();
            return;
        }
        if (eT == 'scroll') {
            window.xPSL = xScrollLeft();
            window.xPST = xScrollTop();
            window.xSEL = eL;
            xScrollEvent();
            return;
        }
    }
    var eh = 'e.on' + eT + '=eL';
    if (e.addEventListener)
    { e.addEventListener(eT, eL, cap); }
    else if (e.attachEvent)
    { e.attachEvent('on' + eT, eL); }
    else
    { eval(eh); }
}

function xResizeEvent() {
    if (window.xREL)
    { setTimeout('xResizeEvent()', 250); }
    var cw = xClientWidth(), ch = xClientHeight();
    if (window.xPCW != cw || window.xPCH != ch) {
        window.xPCW = cw;
        window.xPCH = ch;
        if (window.xREL)
        { window.xREL(); }
    }
}

function xScrollEvent() {
    if (window.xSEL)
    { setTimeout('xScrollEvent()', 250); }
    var sl = xScrollLeft(), st = xScrollTop();
    if (window.xPSL != sl || window.xPST != st) {
        window.xPSL = sl; window.xPST = st;
        if (window.xSEL)
        { window.xSEL(); }
    }
}

function xGetComputedStyle(oEle, sProp, bInt) {
    var s, p = 'undefined';
    var dv = document.defaultView;
    if (dv && dv.getComputedStyle) {
        s = dv.getComputedStyle(oEle, '');
        if (s)
        { p = s.getPropertyValue(sProp); }
    }
    else if (oEle.currentStyle) {
        var a = sProp.split('-');
        sProp = a[0];

        for (var i = 1; i < a.length; ++i) {
            c = a[i].charAt(0);
            sProp += a[i].replace(c, c.toUpperCase());
        }
        p = oEle.currentStyle[sProp];
    }
    else
    { return null; }
    return bInt ? (parseInt(p) || 0) : p;
}

function xShow(e) {
    return xVisibility(e, 1);
}

function xDef() {
    for (var i = 0; i < arguments.length; ++i) {
        if (typeof (arguments[i]) == 'undefined')
        { return false; }
    }
    return true;
}

function xNum() {
    for (var i = 0; i < arguments.length; ++i) {
        if (isNaN(arguments[i]) || typeof (arguments[i]) != 'number')
        { return false; }
    }
    return true;
}

function xVisibility(e, bShow) {
    if (!(e = xGetElementById(e)))
    { return null; }

    if (e.style && xDef(e.style.visibility)) {
        if (xDef(bShow))
        { e.style.visibility = bShow ? 'visible' : 'hidden'; }
        return e.style.visibility;
    }
    return null;
}


function addLoadEvent(func) {
    var oldonload = window.onload;
    if (typeof window.onload != 'function') {
        window.onload = func;
    } else {
        window.onload = function() {
            oldonload();
            func();
        }
    }

}