/**

*	swffit v2.4 beta (2010/01/18) <http://swffit.millermedeiros.com/>

*	Copyright (c) 2010 Miller Medeiros <http://www.millermedeiros.com/>

*	This software is released under the MIT License <http://www.opensource.org/licenses/mit-license.php>

*/

var swffit = function() {

    var win = window,

    doc = document,

    html = doc.getElementsByTagName("html")[0],

    AGENT = navigator.userAgent.toLowerCase(),

    WK = /webkit/.test(AGENT),

    IE = /msie/.test(AGENT) && !win.opera,

    FF = /firefox/.test(AGENT) && !win.opera,

    UNDEF = "undefined",

    _ft,

    _re,

    _t,

    _mw,

    _mh,

    _xw,

    _xh,

    _hc,

    _vc,

    _ow,

    _oh;

    swfobject.createCSS("object", "position:absolute; outline:none");

    function fit(t, mw, mh, xw, xh, hc, vc) {

        mw = mw || _ow;

        mh = mh || _oh;

        xw = xw || null;

        xh = xh || null;

        hc = (hc || hc == null);

        vc = (vc || vc == null);

        configure({

            target: t,

            minWid: mw,

            minHei: mh,

            maxWid: xw,

            maxHei: xh,

            hCenter: hc,

            vCenter: vc

        });

    }

    function configure(o) {

        var evalNum = function(v, p) {

            return (typeof o[p] != UNDEF) ? o[p] : v;

        },

        evalBool = function(v, p) {

            return (o[p] || (v && typeof o[p] == UNDEF));

        };

        _mw = evalNum(_mw, "minWid");

        _mh = evalNum(_mh, "minHei");

        _xw = evalNum(_xw, "maxWid");

        _xh = evalNum(_xh, "maxHei");

        _hc = evalBool(_hc, "hCenter");

        _vc = evalBool(_vc, "vCenter");

        if (o.target && (o.target != _t)) {

            _t = o.target;

            swfobject.addDomLoadEvent(initFit);

            if (IE) {

                swfobject.addLoadEvent(initFit);

            }

        } else {

            startFit();

        }

    }

    function initFit() {

        if (!html.style.overflowX) {

            controlScroll(0, 0);

        }

        if (!html.style.overflowY) {

            controlScroll(0, 1);

        }

        html.style.height = doc.body.style.height = "100%";

        doc.body.style.margin = doc.body.style.padding = 0;

        var st = "width:100%; height:100%";

        st += (IE) ? "; overflow:hidden": "";

        swfobject.createCSS("#" + _t, st);

        _ft = doc.getElementById(_t);

        _ft = (_ft != UNDEF && FF && /object/.test(_ft.innerHTML)) ? doc.getElementById(_t).getElementsByTagName("object")[0] : _ft;

        _ow = _ft.width;

        _oh = _ft.height;

        _mw = _mw || _ow;

        _mh = _mh || _oh;

        startFit();

    }

    function startFit() {

        setSize();

        if (!_re) {

            swffit.addResizeEvent(setSize);

            _re = 1;

        }

    }

    function stopFit(w, h) {

        if (_re) {

            swffit.removeResizeEvent(setSize);

            _re = 0;

            setStyle("top", "auto");

            setStyle("left", "auto");

            setStyle("marginTop", 0);

            setStyle("marginLeft", 0);

            w = w || "100%";

            h = h || "100%";

            setWidth(w);

            setHeight(h);

            forceRedraw();

        }

    }

    function forceRedraw() {

        if (WK) {

            _ft.style.paddingBottom = "1px";

            _ft.style.paddingBottom = "0";

        }

    }

    function controlResizeEvent(a, fn) {

        var p = (a) ? ["addEventListener", "attachEvent"] : ["removeEventListener", "detachEvent"];

        if (win[p[0]]) {

            win[p[0]]("resize", fn, false);

        } else {

            if (win[p[1]]) {

                win[p[1]]("onresize", fn);

            }

        }

    }

    function setWidth(w) {

        var v = (isNaN(w)) ? w: w + "px";

        setStyle("width", v);

    }

    function setHeight(h) {

        var v = (isNaN(h)) ? h: h + "px";

        setStyle("height", v);

    }

    function setStyle(p, v) {

        _ft.style[p] = v;

    }

    function setSize() {

        var iw = (win.innerWidth) ? win.innerWidth: ((doc.documentElement.clientWidth) ? doc.documentElement.clientWidth: doc.body.clientWidth),

        ih = (win.innerHeight) ? win.innerHeight: ((doc.documentElement.clientHeight) ? doc.documentElement.clientHeight: doc.body.clientHeight);

        iw -= (!IE && ih <= _mh) ? 18: 0;

        ih -= (!IE && iw <= _mw) ? 18: 0;

        if (_xw && iw >= _xw) {

            setWidth(_xw);

            setPosition(0, 1);

        } else {

            if (iw > _mw && (iw < _xw || !_xw)) {

                setWidth("100%");

            } else {

                setWidth(_mw);

            }

            setPosition(0, 0);

        }

        if (_xh && ih >= _xh) {

            setHeight(_xh);

            setPosition(1, 1);

        } else {

            if (ih > _mh && (ih < _xh || !_xh)) {

                setHeight("100%");

            } else {

                setHeight(_mh);

            }

            setPosition(1, 0);

        }

        forceRedraw();

    }

    function setPosition(t, x) {

        var p,

        m;

        if (t) {

            p = (x && _vc) ? "50%": "auto";

            m = (x && _vc) ? -(_xh * 0.5) + "px": 0;

            setStyle("top", p);

            setStyle("marginTop", m);

        } else {

            p = (x && _hc) ? "50%": "auto";

            m = (x && _hc) ? -(_xw * 0.5) + "px": 0;

            setStyle("left", p);

            setStyle("marginLeft", m);

        }

    }

    function controlScroll(s, v) {

        var p = (v) ? "overflowY": "overflowX";

        html.style[p] = (s) ? "scroll": "auto";

    }

    function getValueOf(p) {

        var o = {

            target: _t,

            minWid: _mw,

            minHei: _mh,

            maxWid: _xw,

            maxHei: _xh,

            hCenter: _hc,

            vCenter: _vc

        };

        return o[p];

    }

    return {

        fit: fit,

        configure: configure,

        startFit: startFit,

        stopFit: stopFit,

        getValueOf: getValueOf,

        addResizeEvent: function(fn) {

            controlResizeEvent(1, fn);

        },

        removeResizeEvent: function(fn) {

            controlResizeEvent(0, fn);

        },

        showScrollH: function() {

            controlScroll(1, 0);

        },

        showScrollV: function() {

            controlScroll(1, 1);

        },

        getScrollTop: function() {

            return doc.body.scrollTop ? doc.body.scrollTop: (win.pageYOffset ? win.pageYOffset: (doc.body.parentElement ? doc.body.parentElement.scrollTop: 0));

        },

        getScrollLeft: function() {

            return doc.body.scrollLeft ? doc.body.scrollLeft: (win.pageXOffset ? win.pageXOffset: (doc.body.parentElement ? doc.body.parentElement.scrollLeft: 0));

        }

    };

} ();