raphael.js

/*!
 * Raphael 1.3.2 - JavaScript Vector Library
 *
 * Copyright (c) 2009 Dmitry Baranovskiy (http://raphaeljs.com)
 * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) license.
 */
 
 
Raphael = (function () {
    var separator = /[, ]+/,
        elements = /^(circle|rect|path|ellipse|text|image)$/,
        has = "hasOwnProperty",
        doc = document,
        win = window,
        oldRaphael = {
            was: win[has]("Raphael"),
            is: win.Raphael
        },
        R = function () {
            if (R.is(arguments[0], "array")) {
                var a = arguments[0],
                    cnv = create[apply](R, a.splice(0, 3 + R.is(a[0], nu))),
                    res = cnv.set();
                for (var i = 0, ii = a[length]; i < ii; i++) {
                    var j = a[i] || {};
                    elements.test(j.type) && res[push](cnv[j.type]().attr(j));
                }
                return res;
            }
            return create[apply](R, arguments);
        },
        Paper = function () {},
        appendChild = "appendChild",
        apply = "apply",
        concat = "concat",
        E = "",
        S = " ",
        split = "split",
        events = "click dblclick mousedown mousemove mouseout mouseover mouseup"[split](S),
        join = "join",
        length = "length",
        proto = "prototype",
        lowerCase = String[proto].toLowerCase,
        math = Math,
        mmax = math.max,
        mmin = math.min,
        nu = "number",
        toString = "toString",
        objectToString = Object[proto][toString],
        paper = {},
        pow = math.pow,
        push = "push",
        rg = /^(?=[\da-f]$)/,
        ISURL = /^url\(['"]?([^\)]+)['"]?\)$/i,
        colourRegExp = /^\s*((#[a-f\d]{6})|(#[a-f\d]{3})|rgb\(\s*([\d\.]+\s*,\s*[\d\.]+\s*,\s*[\d\.]+)\s*\)|rgb\(\s*([\d\.]+%\s*,\s*[\d\.]+%\s*,\s*[\d\.]+%)\s*\)|hs[bl]\(\s*([\d\.]+\s*,\s*[\d\.]+\s*,\s*[\d\.]+)\s*\)|hs[bl]\(\s*([\d\.]+%\s*,\s*[\d\.]+%\s*,\s*[\d\.]+%)\s*\))\s*$/i,
        round = math.round,
        setAttribute = "setAttribute",
        toFloat = parseFloat,
        toInt = parseInt,
        upperCase = String[proto].toUpperCase,
        availableAttrs = {"clip-rect": "0 0 1e9 1e9", cursor: "default", cx: 0, cy: 0, fill: "#fff", "fill-opacity": 1, font: '10px "Arial"', "font-family": '"Arial"', "font-size": "10", "font-style": "normal", "font-weight": 400, gradient: 0, height: 0, href: "http://raphaeljs.com/", opacity: 1, path: "M0,0", r: 0, rotation: 0, rx: 0, ry: 0, scale: "1 1", src: "", stroke: "#000", "stroke-dasharray": "", "stroke-linecap": "butt", "stroke-linejoin": "butt", "stroke-miterlimit": 0, "stroke-opacity": 1, "stroke-width": 1, target: "_blank", "text-anchor": "middle", title: "Raphael", translation: "0 0", width: 0, x: 0, y: 0},
        availableAnimAttrs = {along: "along", "clip-rect": "csv", cx: nu, cy: nu, fill: "colour", "fill-opacity": nu, "font-size": nu, height: nu, opacity: nu, path: "path", r: nu, rotation: "csv", rx: nu, ry: nu, scale: "csv", stroke: "colour", "stroke-opacity": nu, "stroke-width": nu, translation: "csv", width: nu, x: nu, y: nu},
        rp = "replace";
    R.version = "1.3.2";
    R.type = (win.SVGAngle || doc.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#BasicStructure", "1.1") ? "SVG" : "VML");
    if (R.type == "VML") {
        var d = document.createElement("div");
        d.innerHTML = '<!--[if vml]><br><br><![endif]-->';
        if (d.childNodes[length] != 2) {
            return null;
        }
    }
    R.svg = !(R.vml = R.type == "VML");
    Paper[proto] = R[proto];
    R._id = 0;
    R._oid = 0;
    R.fn = {};
    R.is = function (o, type) {
        type = lowerCase.call(type);
        return ((type == "object" || type == "undefined") && typeof o == type) || (o == null && type == "null") || lowerCase.call(objectToString.call(o).slice(8, -1)) == type;
    };
    R.setWindow = function (newwin) {
        win = newwin;
        doc = win.document;
    };
    // colour utilities
    var toHex = function (color) {
        if (R.vml) {
            // http://dean.edwards.name/weblog/2009/10/convert-any-colour-value-to-hex-in-msie/
            var trim = /^\s+|\s+$/g;
            toHex = cacher(function (color) {
                var bod;
                color = (color + E)[rp](trim, E);
                try {
                    var docum = new ActiveXObject("htmlfile");
                    docum.write("<body>");
                    docum.close();
                    bod = docum.body;
                } catch(e) {
                    bod = createPopup().document.body;
                }
                var range = bod.createTextRange();
                try {
                    bod.style.color = color;
                    var value = range.queryCommandValue("ForeColor");
                    value = ((value & 255) << 16) | (value & 65280) | ((value & 16711680) >>> 16);
                    return "#" + ("000000" + value[toString](16)).slice(-6);
                } catch(e) {
                    return "none";
                }
            });
        } else {
            var i = doc.createElement("i");
            i.title = "Rapha\xebl Colour Picker";
            i.style.display = "none";
            doc.body[appendChild](i);
            toHex = cacher(function (color) {
                i.style.color = color;
                return doc.defaultView.getComputedStyle(i, E).getPropertyValue("color");
            });
        }
        return toHex(color);
    };
    R.hsb2rgb = cacher(function (hue, saturation, brightness) {
        if (R.is(hue, "object") && "h" in hue && "s" in hue && "b" in hue) {
            brightness = hue.b;
            saturation = hue.s;
            hue = hue.h;
        }
        var red,
            green,
            blue;
        if (brightness == 0) {
            return {r: 0, g: 0, b: 0, hex: "#000"};
        }
        if (hue > 1 || saturation > 1 || brightness > 1) {
            hue /= 255;
            saturation /= 255;
            brightness /= 255;
        }
        var i = ~~(hue * 6),
            f = (hue * 6) - i,
            p = brightness * (1 - saturation),
            q = brightness * (1 - (saturation * f)),
            t = brightness * (1 - (saturation * (1 - f)));
        red = [brightness, q, p, p, t, brightness, brightness][i];
        green = [t, brightness, brightness, q, p, p, t][i];
        blue = [p, p, t, brightness, brightness, q, p][i];
        red *= 255;
        green *= 255;
        blue *= 255;
        var rgb = {r: red, g: green, b: blue},
            r = (~~red)[toString](16),
            g = (~~green)[toString](16),
            b = (~~blue)[toString](16);
        r = r[rp](rg, "0");
        g = g[rp](rg, "0");
        b = b[rp](rg, "0");
        rgb.hex = "#" + r + g + b;
        return rgb;
    }, R);
    R.rgb2hsb = cacher(function (red, green, blue) {
        if (R.is(red, "object") && "r" in red && "g" in red && "b" in red) {
            blue = red.b;
            green = red.g;
            red = red.r;
        }
        if (R.is(red, "string")) {
            var clr = R.getRGB(red);
            red = clr.r;
            green = clr.g;
            blue = clr.b;
        }
        if (red > 1 || green > 1 || blue > 1) {
            red /= 255;
            green /= 255;
            blue /= 255;
        }
        var max = mmax(red, green, blue),
            min = mmin(red, green, blue),
            hue,
            saturation,
            brightness = max;
        if (min == max) {
            return {h: 0, s: 0, b: max};
        } else {
            var delta = (max - min);
            saturation = delta / max;
            if (red == max) {
                hue = (green - blue) / delta;
            } else if (green == max) {
                hue = 2 + ((blue - red) / delta);
            } else {
                hue = 4 + ((red - green) / delta);
            }
            hue /= 6;
            hue < 0 && hue++;
            hue > 1 && hue--;
        }
        return {h: hue, s: saturation, b: brightness};
    }, R);
    var p2s = /,?([achlmqrstvxz]),?/gi;
    R._path2string = function () {
        return this.join(",")[rp](p2s, "$1");
    };
    function cacher(f, scope, postprocessor) {
        function newf() {
            var arg = Array[proto].slice.call(arguments, 0),
                args = arg[join]("\u25ba"),
                cache = newf.cache = newf.cache || {},
                count = newf.count = newf.count || [];
            if (cache[has](args)) {
                return postprocessor ? postprocessor(cache[args]) : cache[args];
            }
            count[length] >= 1e3 && delete cache[count.shift()];
            count[push](args);
            cache[args] = f[apply](scope, arg);
            return postprocessor ? postprocessor(cache[args]) : cache[args];
        }
        return newf;
    }
 
    R.getRGB = cacher(function (colour) {
        if (!colour || !!((colour = colour + E).indexOf("-") + 1)) {
            return {r: -1, g: -1, b: -1, hex: "none", error: 1};
        }
        if (colour == "none") {
            return {r: -1, g: -1, b: -1, hex: "none"};
        }
        !(({hs: 1, rg: 1})[has](colour.substring(0, 2)) || colour.charAt() == "#") && (colour = toHex(colour));
        var res,
            red,
            green,
            blue,
            t,
            rgb = colour.match(colourRegExp);
        if (rgb) {
            if (rgb[2]) {
                blue = toInt(rgb[2].substring(5), 16);
                green = toInt(rgb[2].substring(3, 5), 16);
                red = toInt(rgb[2].substring(1, 3), 16);
            }
            if (rgb[3]) {
                blue = toInt((t = rgb[3].charAt(3)) + t, 16);
                green = toInt((t = rgb[3].charAt(2)) + t, 16);
                red = toInt((t = rgb[3].charAt(1)) + t, 16);
            }
            if (rgb[4]) {
                rgb = rgb[4][split](/\s*,\s*/);
                red = toFloat(rgb[0]);
                green = toFloat(rgb[1]);
                blue = toFloat(rgb[2]);
            }
            if (rgb[5]) {
                rgb = rgb[5][split](/\s*,\s*/);
                red = toFloat(rgb[0]) * 2.55;
                green = toFloat(rgb[1]) * 2.55;
                blue = toFloat(rgb[2]) * 2.55;
            }
            if (rgb[6]) {
                rgb = rgb[6][split](/\s*,\s*/);
                red = toFloat(rgb[0]);
                green = toFloat(rgb[1]);
                blue = toFloat(rgb[2]);
                return R.hsb2rgb(red, green, blue);
            }
            if (rgb[7]) {
                rgb = rgb[7][split](/\s*,\s*/);
                red = toFloat(rgb[0]) * 2.55;
                green = toFloat(rgb[1]) * 2.55;
                blue = toFloat(rgb[2]) * 2.55;
                return R.hsb2rgb(red, green, blue);
            }
            rgb = {r: red, g: green, b: blue};
            var r = (~~red)[toString](16),
                g = (~~green)[toString](16),
                b = (~~blue)[toString](16);
            r = r[rp](rg, "0");
            g = g[rp](rg, "0");
            b = b[rp](rg, "0");
            rgb.hex = "#" + r + g + b;
            return rgb;
        }
        return {r: -1, g: -1, b: -1, hex: "none", error: 1};
    }, R);
    R.getColor = function (value) {
        var start = this.getColor.start = this.getColor.start || {h: 0, s: 1, b: value || .75},
            rgb = this.hsb2rgb(start.h, start.s, start.b);
        start.h += .075;
        if (start.h > 1) {
            start.h = 0;
            start.s -= .2;
            start.s <= 0 && (this.getColor.start = {h: 0, s: 1, b: start.b});
        }
        return rgb.hex;
    };
    R.getColor.reset = function () {
        delete this.start;
    };
    // path utilities
    var pathCommand = /([achlmqstvz])[\s,]*((-?\d*\.?\d*(?:e[-+]?\d+)?\s*,?\s*)+)/ig,
        pathValues = /(-?\d*\.?\d*(?:e[-+]?\d+)?)\s*,?\s*/ig;
    R.parsePathString = cacher(function (pathString) {
        if (!pathString) {
            return null;
        }
        var paramCounts = {a: 7, c: 6, h: 1, l: 2, m: 2, q: 4, s: 4, t: 2, v: 1, z: 0},
            data = [];
        if (R.is(pathString, "array") && R.is(pathString[0], "array")) { // rough assumption
            data = pathClone(pathString);
        }
        if (!data[length]) {
            (pathString + E)[rp](pathCommand, function (a, b, c) {
                var params = [],
                    name = lowerCase.call(b);
                c[rp](pathValues, function (a, b) {
                    b && params[push](+b);
                });
                if (name == "m" && params[length] > 2) {
                    data[push]([b][concat](params.splice(0, 2)));
                    name = "l";
                    b = b == "m" ? "l" : "L";
                }
                while (params[length] >= paramCounts[name]) {
                    data[push]([b][concat](params.splice(0, paramCounts[name])));
                    if (!paramCounts[name]) {
                        break;
                    };
                }
            });
        }
        data[toString] = R._path2string;
        return data;
    });
    R.findDotsAtSegment = function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t) {
        var t1 = 1 - t,
            x = pow(t1, 3) * p1x + pow(t1, 2) * 3 * t * c1x + t1 * 3 * t * t * c2x + pow(t, 3) * p2x,
            y = pow(t1, 3) * p1y + pow(t1, 2) * 3 * t * c1y + t1 * 3 * t * t * c2y + pow(t, 3) * p2y,
            mx = p1x + 2 * t * (c1x - p1x) + t * t * (c2x - 2 * c1x + p1x),
            my = p1y + 2 * t * (c1y - p1y) + t * t * (c2y - 2 * c1y + p1y),
            nx = c1x + 2 * t * (c2x - c1x) + t * t * (p2x - 2 * c2x + c1x),
            ny = c1y + 2 * t * (c2y - c1y) + t * t * (p2y - 2 * c2y + c1y),
            ax = (1 - t) * p1x + t * c1x,
            ay = (1 - t) * p1y + t * c1y,
            cx = (1 - t) * c2x + t * p2x,
            cy = (1 - t) * c2y + t * p2y,
            alpha = (90 - math.atan((mx - nx) / (my - ny)) * 180 / math.PI);
        (mx > nx || my < ny) && (alpha += 180);
        return {x: x, y: y, m: {x: mx, y: my}, n: {x: nx, y: ny}, start: {x: ax, y: ay}, end: {x: cx, y: cy}, alpha: alpha};
    };
    var pathDimensions = cacher(function (path) {
        if (!path) {
            return {x: 0, y: 0, width: 0, height: 0};
        }
        path = path2curve(path);
        var x = 0, 
            y = 0,
            X = [],
            Y = [],
            p;
        for (var i = 0, ii = path[length]; i < ii; i++) {
            p = path[i];
            if (p[0] == "M") {
                x = p[1];
                y = p[2];
                X[push](x);
                Y[push](y);
            } else {
                var dim = curveDim(x, y, p[1], p[2], p[3], p[4], p[5], p[6]);
                X = X[concat](dim.min.x, dim.max.x);
                Y = Y[concat](dim.min.y, dim.max.y);
                x = p[5];
                y = p[6];
            }
        }
        var xmin = mmin[apply](0, X),
            ymin = mmin[apply](0, Y);
        return {
            x: xmin,
            y: ymin,
            width: mmax[apply](0, X) - xmin,
            height: mmax[apply](0, Y) - ymin
        };
    }),
        pathClone = function (pathArray) {
            var res = [];
            if (!R.is(pathArray, "array") || !R.is(pathArray && pathArray[0], "array")) { // rough assumption
                pathArray = R.parsePathString(pathArray);
            }
            for (var i = 0, ii = pathArray[length]; i < ii; i++) {
                res[i] = [];
                for (var j = 0, jj = pathArray[i][length]; j < jj; j++) {
                    res[i][j] = pathArray[i][j];
                }
            }
            res[toString] = R._path2string;
            return res;
        },
        pathToRelative = cacher(function (pathArray) {
            if (!R.is(pathArray, "array") || !R.is(pathArray && pathArray[0], "array")) { // rough assumption
                pathArray = R.parsePathString(pathArray);
            }
            var res = [],
                x = 0,
                y = 0,
                mx = 0,
                my = 0,
                start = 0;
            if (pathArray[0][0] == "M") {
                x = pathArray[0][1];
                y = pathArray[0][2];
                mx = x;
                my = y;
                start++;
                res[push](["M", x, y]);
            }
            for (var i = start, ii = pathArray[length]; i < ii; i++) {
                var r = res[i] = [],
                    pa = pathArray[i];
                if (pa[0] != lowerCase.call(pa[0])) {
                    r[0] = lowerCase.call(pa[0]);
                    switch (r[0]) {
                        case "a":
                            r[1] = pa[1];
                            r[2] = pa[2];
                            r[3] = pa[3];
                            r[4] = pa[4];
                            r[5] = pa[5];
                            r[6] = +(pa[6] - x).toFixed(3);
                            r[7] = +(pa[7] - y).toFixed(3);
                            break;
                        case "v":
                            r[1] = +(pa[1] - y).toFixed(3);
                            break;
                        case "m":
                            mx = pa[1];
                            my = pa[2];
                        default:
                            for (var j = 1, jj = pa[length]; j < jj; j++) {
                                r[j] = +(pa[j] - ((j % 2) ? x : y)).toFixed(3);
                            }
                    }
                } else {
                    r = res[i] = [];
                    if (pa[0] == "m") {
                        mx = pa[1] + x;
                        my = pa[2] + y;
                    }
                    for (var k = 0, kk = pa[length]; k < kk; k++) {
                        res[i][k] = pa[k];
                    }
                }
                var len = res[i][length];
                switch (res[i][0]) {
                    case "z":
                        x = mx;
                        y = my;
                        break;
                    case "h":
                        x += +res[i][len - 1];
                        break;
                    case "v":
                        y += +res[i][len - 1];
                        break;
                    default:
                        x += +res[i][len - 2];
                        y += +res[i][len - 1];
                }
            }
            res[toString] = R._path2string;
            return res;
        }, 0, pathClone),
        pathToAbsolute = cacher(function (pathArray) {
            if (!R.is(pathArray, "array") || !R.is(pathArray && pathArray[0], "array")) { // rough assumption
                pathArray = R.parsePathString(pathArray);
            }
            var res = [],
                x = 0,
                y = 0,
                mx = 0,
                my = 0,
                start = 0;
            if (pathArray[0][0] == "M") {
                x = +pathArray[0][1];
                y = +pathArray[0][2];
                mx = x;
                my = y;
                start++;
                res[0] = ["M", x, y];
            }
            for (var i = start, ii = pathArray[length]; i < ii; i++) {
                var r = res[i] = [],
                    pa = pathArray[i];
                if (pa[0] != upperCase.call(pa[0])) {
                    r[0] = upperCase.call(pa[0]);
                    switch (r[0]) {
                        case "A":
                            r[1] = pa[1];
                            r[2] = pa[2];
                            r[3] = pa[3];
                            r[4] = pa[4];
                            r[5] = pa[5];
                            r[6] = +(pa[6] + x);
                            r[7] = +(pa[7] + y);
                            break;
                        case "V":
                            r[1] = +pa[1] + y;
                            break;
                        case "H":
                            r[1] = +pa[1] + x;
                            break;
                        case "M":
                            mx = +pa[1] + x;
                            my = +pa[2] + y;
                        default:
                            for (var j = 1, jj = pa[length]; j < jj; j++) {
                                r[j] = +pa[j] + ((j % 2) ? x : y);
                            }
                    }
                } else {
                    for (var k = 0, kk = pa[length]; k < kk; k++) {
                        res[i][k] = pa[k];
                    }
                }
                switch (r[0]) {
                    case "Z":
                        x = mx;
                        y = my;
                        break;
                    case "H":
                        x = r[1];
                        break;
                    case "V":
                        y = r[1];
                        break;
                    default:
                        x = res[i][res[i][length] - 2];
                        y = res[i][res[i][length] - 1];
                }
            }
            res[toString] = R._path2string;
            return res;
        }, null, pathClone),
        l2c = function (x1, y1, x2, y2) {
            return [x1, y1, x2, y2, x2, y2];
        },
        q2c = function (x1, y1, ax, ay, x2, y2) {
            var _13 = 1 / 3,
                _23 = 2 / 3;
            return [
                    _13 * x1 + _23 * ax,
                    _13 * y1 + _23 * ay,
                    _13 * x2 + _23 * ax,
                    _13 * y2 + _23 * ay,
                    x2,
                    y2
                ];
        },
        a2c = function (x1, y1, rx, ry, angle, large_arc_flag, sweep_flag, x2, y2, recursive) {
            // for more information of where this math came from visit:
            // http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes
            var PI = math.PI,
                _120 = PI * 120 / 180,
                rad = PI / 180 * (+angle || 0),
                res = [],
                xy,
                rotate = cacher(function (x, y, rad) {
                    var X = x * math.cos(rad) - y * math.sin(rad),
                        Y = x * math.sin(rad) + y * math.cos(rad);
                    return {x: X, y: Y};
                });
            if (!recursive) {
                xy = rotate(x1, y1, -rad);
                x1 = xy.x;
                y1 = xy.y;
                xy = rotate(x2, y2, -rad);
                x2 = xy.x;
                y2 = xy.y;
                var cos = math.cos(PI / 180 * angle),
                    sin = math.sin(PI / 180 * angle),
                    x = (x1 - x2) / 2,
                    y = (y1 - y2) / 2;
                // rx = mmax(rx, math.abs(x));
                // ry = mmax(ry, math.abs(y));
                var h = (x * x) / (rx * rx) + (y * y) / (ry * ry);
                if (h > 1) {
                    h = math.sqrt(h);
                    rx = h * rx;
                    ry = h * ry;
                }
                var rx2 = rx * rx,
                    ry2 = ry * ry,
                    k = (large_arc_flag == sweep_flag ? -1 : 1) *
                        math.sqrt(math.abs((rx2 * ry2 - rx2 * y * y - ry2 * x * x) / (rx2 * y * y + ry2 * x * x))),
                    cx = k * rx * y / ry + (x1 + x2) / 2,
                    cy = k * -ry * x / rx + (y1 + y2) / 2,
                    f1 = math.asin(((y1 - cy) / ry).toFixed(7)),
                    f2 = math.asin(((y2 - cy) / ry).toFixed(7));

                f1 = x1 < cx ? PI - f1 : f1;
                f2 = x2 < cx ? PI - f2 : f2;
                f1 < 0 && (f1 = PI * 2 + f1);
                f2 < 0 && (f2 = PI * 2 + f2);
                if (sweep_flag && f1 > f2) {
                    f1 = f1 - PI * 2;
                }
                if (!sweep_flag && f2 > f1) {
                    f2 = f2 - PI * 2;
                }
            } else {
                f1 = recursive[0];
                f2 = recursive[1];
                cx = recursive[2];
                cy = recursive[3];
            }
            var df = f2 - f1;
            if (math.abs(df) > _120) {
                var f2old = f2,
                    x2old = x2,
                    y2old = y2;
                f2 = f1 + _120 * (sweep_flag && f2 > f1 ? 1 : -1);
                x2 = cx + rx * math.cos(f2);
                y2 = cy + ry * math.sin(f2);
                res = a2c(x2, y2, rx, ry, angle, 0, sweep_flag, x2old, y2old, [f2, f2old, cx, cy]);
            }
            df = f2 - f1;
            var c1 = math.cos(f1),
                s1 = math.sin(f1),
                c2 = math.cos(f2),
                s2 = math.sin(f2),
                t = math.tan(df / 4),
                hx = 4 / 3 * rx * t,
                hy = 4 / 3 * ry * t,
                m1 = [x1, y1],
                m2 = [x1 + hx * s1, y1 - hy * c1],
                m3 = [x2 + hx * s2, y2 - hy * c2],
                m4 = [x2, y2];
            m2[0] = 2 * m1[0] - m2[0];
            m2[1] = 2 * m1[1] - m2[1];
            if (recursive) {
                return [m2, m3, m4][concat](res);
            } else {
                res = [m2, m3, m4][concat](res)[join]()[split](",");
                var newres = [];
                for (var i = 0, ii = res[length]; i < ii; i++) {
                    newres[i] = i % 2 ? rotate(res[i - 1], res[i], rad).y : rotate(res[i], res[i + 1], rad).x;
                }
                // alert(newres);
                return newres;
            }
        },
        findDotAtSegment = function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t) {
            var t1 = 1 - t;
            return {
                x: pow(t1, 3) * p1x + pow(t1, 2) * 3 * t * c1x + t1 * 3 * t * t * c2x + pow(t, 3) * p2x,
                y: pow(t1, 3) * p1y + pow(t1, 2) * 3 * t * c1y + t1 * 3 * t * t * c2y + pow(t, 3) * p2y
            };
        },
        curveDim = cacher(function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y) {
            var a = (c2x - 2 * c1x + p1x) - (p2x - 2 * c2x + c1x),
                b = 2 * (c1x - p1x) - 2 * (c2x - c1x),
                c = p1x - c1x,
                t1 = (-b + math.sqrt(b * b - 4 * a * c)) / 2 / a,
                t2 = (-b - math.sqrt(b * b - 4 * a * c)) / 2 / a,
                y = [p1y, p2y],
                x = [p1x, p2x],
                dot;
            math.abs(t1) > 1e12 && (t1 = .5);
            math.abs(t2) > 1e12 && (t2 = .5);
            if (t1 > 0 && t1 < 1) {
                dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t1);
                x[push](dot.x);
                y[push](dot.y);
            }
            if (t2 > 0 && t2 < 1) {
                dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t2);
                x[push](dot.x);
                y[push](dot.y);
            }
            a = (c2y - 2 * c1y + p1y) - (p2y - 2 * c2y + c1y);
            b = 2 * (c1y - p1y) - 2 * (c2y - c1y);
            c = p1y - c1y;
            t1 = (-b + math.sqrt(b * b - 4 * a * c)) / 2 / a;
            t2 = (-b - math.sqrt(b * b - 4 * a * c)) / 2 / a;
            math.abs(t1) > 1e12 && (t1 = .5);
            math.abs(t2) > 1e12 && (t2 = .5);
            if (t1 > 0 && t1 < 1) {
                dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t1);
                x[push](dot.x);
                y[push](dot.y);
            }
            if (t2 > 0 && t2 < 1) {
                dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t2);
                x[push](dot.x);
                y[push](dot.y);
            }
            return {
                min: {x: mmin[apply](0, x), y: mmin[apply](0, y)},
                max: {x: mmax[apply](0, x), y: mmax[apply](0, y)}
            };
        }),
        path2curve = cacher(function (path, path2) {
            var p = pathToAbsolute(path),
                p2 = path2 && pathToAbsolute(path2),
                attrs = {x: 0, y: 0, bx: 0, by: 0, X: 0, Y: 0, qx: null, qy: null},
                attrs2 = {x: 0, y: 0, bx: 0, by: 0, X: 0, Y: 0, qx: null, qy: null},
                processPath = function (path, d) {
                    var nx, ny;
                    if (!path) {
                        return ["C", d.x, d.y, d.x, d.y, d.x, d.y];
                    }
                    !(path[0] in {T:1, Q:1}) && (d.qx = d.qy = null);
                    switch (path[0]) {
                        case "M":
                            d.X = path[1];
                            d.Y = path[2];
                            break;
                        case "A":
                            path = ["C"][concat](a2c[apply](0, [d.x, d.y][concat](path.slice(1))));
                            break;
                        case "S":
                            nx = d.x + (d.x - (d.bx || d.x));
                            ny = d.y + (d.y - (d.by || d.y));
                            path = ["C", nx, ny][concat](path.slice(1));
                            break;
                        case "T":
                            d.qx = d.x + (d.x - (d.qx || d.x));
                            d.qy = d.y + (d.y - (d.qy || d.y));
                            path = ["C"][concat](q2c(d.x, d.y, d.qx, d.qy, path[1], path[2]));
                            break;
                        case "Q":
                            d.qx = path[1];
                            d.qy = path[2];
                            path = ["C"][concat](q2c(d.x, d.y, path[1], path[2], path[3], path[4]));
                            break;
                        case "L":
                            path = ["C"][concat](l2c(d.x, d.y, path[1], path[2]));
                            break;
                        case "H":
                            path = ["C"][concat](l2c(d.x, d.y, path[1], d.y));
                            break;
                        case "V":
                            path = ["C"][concat](l2c(d.x, d.y, d.x, path[1]));
                            break;
                        case "Z":
                            path = ["C"][concat](l2c(d.x, d.y, d.X, d.Y));
                            break;
                    }
                    return path;
                },
                fixArc = function (pp, i) {
                    if (pp[i][length] > 7) {
                        pp[i].shift();
                        var pi = pp[i];
                        while (pi[length]) {
                            pp.splice(i++, 0, ["C"][concat](pi.splice(0, 6)));
                        }
                        pp.splice(i, 1);
                        ii = mmax(p[length], p2 && p2[length] || 0);
                    }
                },
                fixM = function (path1, path2, a1, a2, i) {
                    if (path1 && path2 && path1[i][0] == "M" && path2[i][0] != "M") {
                        path2.splice(i, 0, ["M", a2.x, a2.y]);
                        a1.bx = 0;
                        a1.by = 0;
                        a1.x = path1[i][1];
                        a1.y = path1[i][2];
                        ii = mmax(p[length], p2 && p2[length] || 0);
                    }
                };
            for (var i = 0, ii = mmax(p[length], p2 && p2[length] || 0); i < ii; i++) {
                p[i] = processPath(p[i], attrs);
                fixArc(p, i);
                p2 && (p2[i] = processPath(p2[i], attrs2));
                p2 && fixArc(p2, i);
                fixM(p, p2, attrs, attrs2, i);
                fixM(p2, p, attrs2, attrs, i);
                var seg = p[i],
                    seg2 = p2 && p2[i],
                    seglen = seg[length],
                    seg2len = p2 && seg2[length];
                attrs.x = seg[seglen - 2];
                attrs.y = seg[seglen - 1];
                attrs.bx = toFloat(seg[seglen - 4]) || attrs.x;
                attrs.by = toFloat(seg[seglen - 3]) || attrs.y;
                attrs2.bx = p2 && (toFloat(seg2[seg2len - 4]) || attrs2.x);
                attrs2.by = p2 && (toFloat(seg2[seg2len - 3]) || attrs2.y);
                attrs2.x = p2 && seg2[seg2len - 2];
                attrs2.y = p2 && seg2[seg2len - 1];
            }
            return p2 ? [p, p2] : p;
        }, null, pathClone),
        parseDots = cacher(function (gradient) {
            var dots = [];
            for (var i = 0, ii = gradient[length]; i < ii; i++) {
                var dot = {},
                    par = gradient[i].match(/^([^:]*):?([\d\.]*)/);
                dot.color = R.getRGB(par[1]);
                if (dot.color.error) {
                    return null;
                }
                dot.color = dot.color.hex;
                par[2] && (dot.offset = par[2] + "%");
                dots[push](dot);
            }
            for (var i = 1, ii = dots[length] - 1; i < ii; i++) {
                if (!dots[i].offset) {
                    var start = toFloat(dots[i - 1].offset || 0),
                        end = 0;
                    for (var j = i + 1; j < ii; j++) {
                        if (dots[j].offset) {
                            end = dots[j].offset;
                            break;
                        }
                    }
                    if (!end) {
                        end = 100;
                        j = ii;
                    }
                    end = toFloat(end);
                    var d = (end - start) / (j - i + 1);
                    for (; i < j; i++) {
                        start += d;
                        dots[i].offset = start + "%";
                    }
                }
            }
            return dots;
        }),
        getContainer = function () {
            var container,
                x,
                y,
                width,
                height;
            if (R.is(arguments[0], "string") || R.is(arguments[0], "object")) {
                if (R.is(arguments[0], "string")) {
                    container = doc.getElementById(arguments[0]);
                } else {
                    container = arguments[0];
                }
                if (container.tagName) {
                    if (arguments[1] == null) {
                        return {
                            container: container,
                            width: container.style.pixelWidth || container.offsetWidth,
                            height: container.style.pixelHeight || container.offsetHeight
                        };
                    } else {
                        return {container: container, width: arguments[1], height: arguments[2]};
                    }
                }
            } else if (R.is(arguments[0], nu) && arguments[length] > 3) {
                return {container: 1, x: arguments[0], y: arguments[1], width: arguments[2], height: arguments[3]};
            }
        },
        plugins = function (con, add) {
            var that = this;
            for (var prop in add) if (add[has](prop) && !(prop in con)) {
                switch (typeof add[prop]) {
                    case "function":
                        (function (f) {
                            con[prop] = con === that ? f : function () { return f[apply](that, arguments); };
                        })(add[prop]);
                    break;
                    case "object":
                        con[prop] = con[prop] || {};
                        plugins.call(this, con[prop], add[prop]);
                    break;
                    default:
                        con[prop] = add[prop];
                    break;
                }
            }
        },
        tear = function (el, paper) {
            el == paper.top && (paper.top = el.prev);
            el == paper.bottom && (paper.bottom = el.next);
            el.next && (el.next.prev = el.prev);
            el.prev && (el.prev.next = el.next);
        },
        tofront = function (el, paper) {
            if (paper.top === el) {
                return;
            }
            tear(el, paper);
            el.next = null;
            el.prev = paper.top;
            paper.top.next = el;
            paper.top = el;
        },
        toback = function (el, paper) {
            if (paper.bottom === el) {
                return;
            }
            tear(el, paper);
            el.next = paper.bottom;
            el.prev = null;
            paper.bottom.prev = el;
            paper.bottom = el;
        },
        insertafter = function (el, el2, paper) {
            tear(el, paper);
            el2 == paper.top && (paper.top = el);
            el2.next && (el2.next.prev = el);
            el.next = el2.next;
            el.prev = el2;
            el2.next = el;
        },
        insertbefore = function (el, el2, paper) {
            tear(el, paper);
            el2 == paper.bottom && (paper.bottom = el);
            el2.prev && (el2.prev.next = el);
            el.prev = el2.prev;
            el2.prev = el;
            el.next = el2;
        },
        removed = function (methodname) {
            return function () {
                throw new Error("Rapha\xebl: you are calling to method \u201c" + methodname + "\u201d of removed object");
            };
        },
        radial_gradient = /^r(?:\(([^,]+?)\s*,\s*([^\)]+?)\))?/;
 
    // SVG
    if (R.svg) {
        Paper[proto].svgns = "http://www.w3.org/2000/svg";
        Paper[proto].xlink = "http://www.w3.org/1999/xlink";
        var round = function (num) {
            return +num + (~~num === num) * .5;
        },
            roundPath = function (path) {
                for (var i = 0, ii = path[length]; i < ii; i++) {
                    if (lowerCase.call(path[i][0]) != "a") {
                        for (var j = 1, jj = path[i][length]; j < jj; j++) {
                            path[i][j] = round(path[i][j]);
                        }
                    } else {
                        path[i][6] = round(path[i][6]);
                        path[i][7] = round(path[i][7]);
                    }
                }
                return path;
            },
            $ = function (el, attr) {
                if (attr) {
                    for (var key in attr) if (attr[has](key)) {
                        el[setAttribute](key, attr[key]);
                    }
                } else {
                    return doc.createElementNS(Paper[proto].svgns, el);
                }
            };
        R[toString] = function () {
            return  "Your browser supports SVG.\nYou are running Rapha\xebl " + this.version;
        };
        var thePath = function (pathString, SVG) {
            var el = $("path");
            SVG.canvas && SVG.canvas[appendChild](el);
            var p = new Element(el, SVG);
            p.type = "path";
            setFillAndStroke(p, {fill: "none", stroke: "#000", path: pathString});
            return p;
        };
        var addGradientFill = function (o, gradient, SVG) {
            var type = "linear",
                fx = .5, fy = .5,
                s = o.style;
            gradient = (gradient + E)[rp](radial_gradient, function (all, _fx, _fy) {
                type = "radial";
                if (_fx && _fy) {
                    fx = toFloat(_fx);
                    fy = toFloat(_fy);
                    var dir = ((fy > .5) * 2 - 1);
                    pow(fx - .5, 2) + pow(fy - .5, 2) > .25 &&
                        (fy = math.sqrt(.25 - pow(fx - .5, 2)) * dir + .5) &&
                        fy != .5 &&
                        (fy = fy.toFixed(5) - 1e-5 * dir);
                }
                return E;
            });
            gradient = gradient[split](/\s*\-\s*/);
            if (type == "linear") {
                var angle = gradient.shift();
                angle = -toFloat(angle);
                if (isNaN(angle)) {
                    return null;
                }
                var vector = [0, 0, math.cos(angle * math.PI / 180), math.sin(angle * math.PI / 180)],
                    max = 1 / (mmax(math.abs(vector[2]), math.abs(vector[3])) || 1);
                vector[2] *= max;
                vector[3] *= max;
                if (vector[2] < 0) {
                    vector[0] = -vector[2];
                    vector[2] = 0;
                }
                if (vector[3] < 0) {
                    vector[1] = -vector[3];
                    vector[3] = 0;
                }
            }
            var dots = parseDots(gradient);
            if (!dots) {
                return null;
            }
            var el = $(type + "Gradient");
            el.id = "r" + (R._id++)[toString](36);
            $(el, type == "radial" ? {fx: fx, fy: fy} : {x1: vector[0], y1: vector[1], x2: vector[2], y2: vector[3]});
            SVG.defs[appendChild](el);
            for (var i = 0, ii = dots[length]; i < ii; i++) {
                var stop = $("stop");
                $(stop, {
                    offset: dots[i].offset ? dots[i].offset : !i ? "0%" : "100%",
                    "stop-color": dots[i].color || "#fff"
                });
                el[appendChild](stop);
            };
            $(o, {
                fill: "url(#" + el.id + ")",
                opacity: 1,
                "fill-opacity": 1
            });
            s.fill = E;
            s.opacity = 1;
            s.fillOpacity = 1;
            return 1;
        };
        var updatePosition = function (o) {
            var bbox = o.getBBox();
            $(o.pattern, {patternTransform: R.format("translate({0},{1})", bbox.x, bbox.y)});
        };
        var setFillAndStroke = function (o, params) {
            var dasharray = {
                    "": [0],
                    "none": [0],
                    "-": [3, 1],
                    ".": [1, 1],
                    "-.": [3, 1, 1, 1],
                    "-..": [3, 1, 1, 1, 1, 1],
                    ". ": [1, 3],
                    "- ": [4, 3],
                    "--": [8, 3],
                    "- .": [4, 3, 1, 3],
                    "--.": [8, 3, 1, 3],
                    "--..": [8, 3, 1, 3, 1, 3]
                },
                node = o.node,
                attrs = o.attrs,
                rot = o.rotate(),
                addDashes = function (o, value) {
                    value = dasharray[lowerCase.call(value)];
                    if (value) {
                        var width = o.attrs["stroke-width"] || "1",
                            butt = {round: width, square: width, butt: 0}[o.attrs["stroke-linecap"] || params["stroke-linecap"]] || 0,
                            dashes = [];
                        var i = value[length];
                        while (i--) {
                            dashes[i] = value[i] * width + ((i % 2) ? 1 : -1) * butt;
                        }
                        $(node, {"stroke-dasharray": dashes[join](",")});
                    }
                };
            params[has]("rotation") && (rot = params.rotation);
            var rotxy = (rot + E)[split](separator);
            if (!(rotxy.length - 1)) {
                rotxy = null;
            } else {
                rotxy[1] = +rotxy[1];
                rotxy[2] = +rotxy[2];
            }
            toFloat(rot) && o.rotate(0, true);
            for (var att in params) if (params[has](att)) {
                if (!availableAttrs[has](att)) {
                    continue;
                }
                var value = params[att];
                attrs[att] = value;
                switch (att) {
                    case "rotation":
                        o.rotate(value, true);
                        break;
                    // Hyperlink
                    case "href":
                    case "title":
                    case "target":
                        var pn = node.parentNode;
                        if (lowerCase.call(pn.tagName) != "a") {
                            var hl = $("a");
                            pn.insertBefore(hl, node);
                            hl[appendChild](node);
                            pn = hl;
                        }
                        pn.setAttributeNS(o.paper.xlink, att, value);
                        break;
                    case "cursor":
                        node.style.cursor = value;
                        break;
                    case "clip-rect":
                        var rect = (value + E)[split](separator);
                        if (rect[length] == 4) {
                            o.clip && o.clip.parentNode.parentNode.removeChild(o.clip.parentNode);
                            var el = $("clipPath"),
                                rc = $("rect");
                            el.id = "r" + (R._id++)[toString](36);
                            $(rc, {
                                x: rect[0],
                                y: rect[1],
                                width: rect[2],
                                height: rect[3]
                            });
                            el[appendChild](rc);
                            o.paper.defs[appendChild](el);
                            $(node, {"clip-path": "url(#" + el.id + ")"});
                            o.clip = rc;
                        }
                        if (!value) {
                            var clip = doc.getElementById(node.getAttribute("clip-path")[rp](/(^url\(#|\)$)/g, E));
                            clip && clip.parentNode.removeChild(clip);
                            $(node, {"clip-path": E});
                            delete o.clip;
                        }
                    break;
                    case "path":
                        if (o.type == "path") {
                            $(node, {d: value ? attrs.path = roundPath(pathToAbsolute(value)) : "M0,0"});
                        }
                        break;
                    case "width":
                        node[setAttribute](att, value);
                        if (attrs.fx) {
                            att = "x";
                            value = attrs.x;
                        } else {
                            break;
                        }
                    case "x":
                        if (attrs.fx) {
                            value = -attrs.x - (attrs.width || 0);
                        }
                    case "rx":
                        if (att == "rx" && o.type == "rect") {
                            break;
                        }
                    case "cx":
                        rotxy && (att == "x" || att == "cx") && (rotxy[1] += value - attrs[att]);
                        node[setAttribute](att, round(value));
                        o.pattern && updatePosition(o);
                        break;
                    case "height":
                        node[setAttribute](att, value);
                        if (attrs.fy) {
                            att = "y";
                            value = attrs.y;
                        } else {
                            break;
                        }
                    case "y":
                        if (attrs.fy) {
                            value = -attrs.y - (attrs.height || 0);
                        }
                    case "ry":
                        if (att == "ry" && o.type == "rect") {
                            break;
                        }
                    case "cy":
                        rotxy && (att == "y" || att == "cy") && (rotxy[2] += value - attrs[att]);
                        node[setAttribute](att, round(value));
                        o.pattern && updatePosition(o);
                        break;
                    case "r":
                        if (o.type == "rect") {
                            $(node, {rx: value, ry: value});
                        } else {
                            node[setAttribute](att, value);
                        }
                        break;
                    case "src":
                        if (o.type == "image") {
                            node.setAttributeNS(o.paper.xlink, "href", value);
                        }
                        break;
                    case "stroke-width":
                        node.style.strokeWidth = value;
                        // Need following line for Firefox
                        node[setAttribute](att, value);
                        if (attrs["stroke-dasharray"]) {
                            addDashes(o, attrs["stroke-dasharray"]);
                        }
                        break;
                    case "stroke-dasharray":
                        addDashes(o, value);
                        break;
                    case "translation":
                        var xy = (value + E)[split](separator);
                        xy[0] = +xy[0] || 0;
                        xy[1] = +xy[1] || 0;
                        if (rotxy) {
                            rotxy[1] += xy[0];
                            rotxy[2] += xy[1];
                        }
                        translate.call(o, xy[0], xy[1]);
                        break;
                    case "scale":
                        var xy = (value + E)[split](separator);
                        o.scale(+xy[0] || 1, +xy[1] || +xy[0] || 1, +xy[2] || null, +xy[3] || null);
                        break;
                    case "fill":
                        var isURL = (value + E).match(ISURL);
                        if (isURL) {
                            var el = $("pattern"),
                                ig = $("image");
                            el.id = "r" + (R._id++)[toString](36);
                            $(el, {x: 0, y: 0, patternUnits: "userSpaceOnUse", height: 1, width: 1});
                            $(ig, {x: 0, y: 0});
                            ig.setAttributeNS(o.paper.xlink, "href", isURL[1]);
                            el[appendChild](ig);
 
                            var img = doc.createElement("img");
                            img.style.cssText = "position:absolute;left:-9999em;top-9999em";
                            img.onload = function () {
                                $(el, {width: this.offsetWidth, height: this.offsetHeight});
                                $(ig, {width: this.offsetWidth, height: this.offsetHeight});
                                doc.body.removeChild(this);
                                o.paper.safari();
                            };
                            doc.body[appendChild](img);
                            img.src = isURL[1];
                            o.paper.defs[appendChild](el);
                            node.style.fill = "url(#" + el.id + ")";
                            $(node, {fill: "url(#" + el.id + ")"});
                            o.pattern = el;
                            o.pattern && updatePosition(o);
                            break;
                        }
                        if (!R.getRGB(value).error) {
                            delete params.gradient;
                            delete attrs.gradient;
                            !R.is(attrs.opacity, "undefined") &&
                                R.is(params.opacity, "undefined") &&
                                $(node, {opacity: attrs.opacity});
                            !R.is(attrs["fill-opacity"], "undefined") &&
                                R.is(params["fill-opacity"], "undefined") &&
                                $(node, {"fill-opacity": attrs["fill-opacity"]});
                        } else if ((({circle: 1, ellipse: 1})[has](o.type) || (value + E).charAt() != "r") && addGradientFill(node, value, o.paper)) {
                            attrs.gradient = value;
                            attrs.fill = "none";
                            break;
                        }
                    case "stroke":
                        node[setAttribute](att, R.getRGB(value).hex);
                        break;
                    case "gradient":
                        (({circle: 1, ellipse: 1})[has](o.type) || (value + E).charAt() != "r") && addGradientFill(node, value, o.paper);
                        break;
                    case "opacity":
                    case "fill-opacity":
                        if (attrs.gradient) {
                            var gradient = doc.getElementById(node.getAttribute("fill")[rp](/^url\(#|\)$/g, E));
                            if (gradient) {
                                var stops = gradient.getElementsByTagName("stop");
                                stops[stops[length] - 1][setAttribute]("stop-opacity", value);
                            }
                            break;
                        }
                    default:
                        att == "font-size" && (value = toInt(value, 10) + "px");
                        var cssrule = att[rp](/(\-.)/g, function (w) {
                            return upperCase.call(w.substring(1));
                        });
                        node.style[cssrule] = value;
                        // Need following line for Firefox
                        node[setAttribute](att, value);
                        break;
                }
            }
            
            tuneText(o, params);
            if (rotxy) {
                o.rotate(rotxy.join(S));
            } else {
                toFloat(rot) && o.rotate(rot, true);
            }
        };
        var leading = 1.2;
        var tuneText = function (el, params) {
            if (el.type != "text" || !(params[has]("text") || params[has]("font") || params[has]("font-size") || params[has]("x") || params[has]("y"))) {
                return;
            }
            var a = el.attrs,
                node = el.node,
                fontSize = node.firstChild ? toInt(doc.defaultView.getComputedStyle(node.firstChild, E).getPropertyValue("font-size"), 10) : 10;
 
            if (params[has]("text")) {
                a.text = params.text;
                while (node.firstChild) {
                    node.removeChild(node.firstChild);
                }
                var texts = (params.text + E)[split]("\n");
                for (var i = 0, ii = texts[length]; i < ii; i++) if (texts[i]) {
                    var tspan = $("tspan");
                    i && $(tspan, {dy: fontSize * leading, x: a.x});
                    tspan[appendChild](doc.createTextNode(texts[i]));
                    node[appendChild](tspan);
                }
            } else {
                var texts = node.getElementsByTagName("tspan");
                for (var i = 0, ii = texts[length]; i < ii; i++) {
                    i && $(texts[i], {dy: fontSize * leading, x: a.x});
                }
            }
            $(node, {y: a.y});
            var bb = el.getBBox(),
                dif = a.y - (bb.y + bb.height / 2);
            dif && isFinite(dif) && $(node, {y: a.y + dif});
        };
        var Element = function (node, svg) {
            var X = 0,
                Y = 0;
            this[0] = node;
            this.id = R._oid++;
            this.node = node;
            node.raphael = this;
            this.paper = svg;
            this.attrs = this.attrs || {};
            this.transformations = []; // rotate, translate, scale
            this._ = {
                tx: 0,
                ty: 0,
                rt: {deg: 0, cx: 0, cy: 0},
                sx: 1,
                sy: 1
            };
            !svg.bottom && (svg.bottom = this);
            this.prev = svg.top;
            svg.top && (svg.top.next = this);
            svg.top = this;
            this.next = null;
        };
        Element[proto].rotate = function (deg, cx, cy) {
            if (this.removed) {
                return this;
            }
            if (deg == null) {
                if (this._.rt.cx) {
                    return [this._.rt.deg, this._.rt.cx, this._.rt.cy][join](S);
                }
                return this._.rt.deg;
            }
            var bbox = this.getBBox();
            deg = (deg + E)[split](separator);
            if (deg[length] - 1) {
                cx = toFloat(deg[1]);
                cy = toFloat(deg[2]);
            }
            deg = toFloat(deg[0]);
            if (cx != null) {
                this._.rt.deg = deg;
            } else {
                this._.rt.deg += deg;
            }
            (cy == null) && (cx = null);
            this._.rt.cx = cx;
            this._.rt.cy = cy;
            cx = cx == null ? bbox.x + bbox.width / 2 : cx;
            cy = cy == null ? bbox.y + bbox.height / 2 : cy;
            if (this._.rt.deg) {
                this.transformations[0] = R.format("rotate({0} {1} {2})", this._.rt.deg, cx, cy);
                this.clip && $(this.clip, {transform: R.format("rotate({0} {1} {2})", -this._.rt.deg, cx, cy)});
            } else {
                this.transformations[0] = E;
                this.clip && $(this.clip, {transform: E});
            }
            $(this.node, {transform: this.transformations[join](S)});
            return this;
        };
        Element[proto].hide = function () {
            !this.removed && (this.node.style.display = "none");
            return this;
        };
        Element[proto].show = function () {
            !this.removed && (this.node.style.display = "");
            return this;
        };
        Element[proto].remove = function () {
            if (this.removed) {
                return;
            }
            tear(this, this.paper);
            this.node.parentNode.removeChild(this.node);
            for (var i in this) {
                delete this[i];
            }
            this.removed = true;
        };
        Element[proto].getBBox = function () {
            if (this.removed) {
                return this;
            }
            if (this.type == "path") {
                return pathDimensions(this.attrs.path);
            }
            if (this.node.style.display == "none") {
                this.show();
                var hide = true;
            }
            var bbox = {};
            try {
                bbox = this.node.getBBox();
            } catch(e) {
                // Firefox 3.0.x plays badly here
            } finally {
                bbox = bbox || {};
            }
            if (this.type == "text") {
                bbox = {x: bbox.x, y: Infinity, width: 0, height: 0};
                for (var i = 0, ii = this.node.getNumberOfChars(); i < ii; i++) {
                    var bb = this.node.getExtentOfChar(i);
                    (bb.y < bbox.y) && (bbox.y = bb.y);
                    (bb.y + bb.height - bbox.y > bbox.height) && (bbox.height = bb.y + bb.height - bbox.y);
                    (bb.x + bb.width - bbox.x > bbox.width) && (bbox.width = bb.x + bb.width - bbox.x);
                }
            }
            hide && this.hide();
            return bbox;
        };
        Element[proto].attr = function () {
            if (this.removed) {
                return this;
            }
            if (arguments[length] == 0) {
                var res = {};
                for (var i in this.attrs) if (this.attrs[has](i)) {
                    res[i] = this.attrs[i];
                }
                this._.rt.deg && (res.rotation = this.rotate());
                (this._.sx != 1 || this._.sy != 1) && (res.scale = this.scale());
                res.gradient && res.fill == "none" && (res.fill = res.gradient) && delete res.gradient;
                return res;
            }
            if (arguments[length] == 1 && R.is(arguments[0], "string")) {
                if (arguments[0] == "translation") {
                    return translate.call(this);
                }
                if (arguments[0] == "rotation") {
                    return this.rotate();
                }
                if (arguments[0] == "scale") {
                    return this.scale();
                }
                if (arguments[0] == "fill" && this.attrs.fill == "none" && this.attrs.gradient) {
                    return this.attrs.gradient;
                }
                return this.attrs[arguments[0]];
            }
            if (arguments[length] == 1 && R.is(arguments[0], "array")) {
                var values = {};
                for (var j in arguments[0]) if (arguments[0][has](j)) {
                    values[arguments[0][j]] = this.attrs[arguments[0][j]];
                }
                return values;
            }
            if (arguments[length] == 2) {
                var params = {};
                params[arguments[0]] = arguments[1];
                setFillAndStroke(this, params);
            } else if (arguments[length] == 1 && R.is(arguments[0], "object")) {
                setFillAndStroke(this, arguments[0]);
            }
            return this;
        };
        Element[proto].toFront = function () {
            if (this.removed) {
                return this;
            }
            this.node.parentNode[appendChild](this.node);
            var svg = this.paper;
            svg.top != this && tofront(this, svg);
            return this;
        };
        Element[proto].toBack = function () {
            if (this.removed) {
                return this;
            }
            if (this.node.parentNode.firstChild != this.node) {
                this.node.parentNode.insertBefore(this.node, this.node.parentNode.firstChild);
                toback(this, this.paper);
                var svg = this.paper;
            }
            return this;
        };
        Element[proto].insertAfter = function (element) {
            if (this.removed) {
                return this;
            }
            var node = element.node;
            if (node.nextSibling) {
                node.parentNode.insertBefore(this.node, node.nextSibling);
            } else {
                node.parentNode[appendChild](this.node);
            }
            insertafter(this, element, this.paper);
            return this;
        };
        Element[proto].insertBefore = function (element) {
            if (this.removed) {
                return this;
            }
            var node = element.node;
            node.parentNode.insertBefore(this.node, node);
            insertbefore(this, element, this.paper);
            return this;
        };
        var theCircle = function (svg, x, y, r) {
            x = round(x);
            y = round(y);
            var el = $("circle");
            svg.canvas && svg.canvas[appendChild](el);
            var res = new Element(el, svg);
            res.attrs = {cx: x, cy: y, r: r, fill: "none", stroke: "#000"};
            res.type = "circle";
            $(el, res.attrs);
            return res;
        };
        var theRect = function (svg, x, y, w, h, r) {
            x = round(x);
            y = round(y);
            var el = $("rect");
            svg.canvas && svg.canvas[appendChild](el);
            var res = new Element(el, svg);
            res.attrs = {x: x, y: y, width: w, height: h, r: r || 0, rx: r || 0, ry: r || 0, fill: "none", stroke: "#000"};
            res.type = "rect";
            $(el, res.attrs);
            return res;
        };
        var theEllipse = function (svg, x, y, rx, ry) {
            x = round(x);
            y = round(y);
            var el = $("ellipse");
            svg.canvas && svg.canvas[appendChild](el);
            var res = new Element(el, svg);
            res.attrs = {cx: x, cy: y, rx: rx, ry: ry, fill: "none", stroke: "#000"};
            res.type = "ellipse";
            $(el, res.attrs);
            return res;
        };
        var theImage = function (svg, src, x, y, w, h) {
            var el = $("image");
            $(el, {x: x, y: y, width: w, height: h, preserveAspectRatio: "none"});
            el.setAttributeNS(svg.xlink, "href", src);
            svg.canvas && svg.canvas[appendChild](el);
            var res = new Element(el, svg);
            res.attrs = {x: x, y: y, width: w, height: h, src: src};
            res.type = "image";
            return res;
        };
        var theText = function (svg, x, y, text) {
            var el = $("text");
            $(el, {x: x, y: y, "text-anchor": "middle"});
            svg.canvas && svg.canvas[appendChild](el);
            var res = new Element(el, svg);
            res.attrs = {x: x, y: y, "text-anchor": "middle", text: text, font: availableAttrs.font, stroke: "none", fill: "#000"};
            res.type = "text";
            setFillAndStroke(res, res.attrs);
            return res;
        };
        var setSize = function (width, height) {
            this.width = width || this.width;
            this.height = height || this.height;
            this.canvas[setAttribute]("width", this.width);
            this.canvas[setAttribute]("height", this.height);
            return this;
        };
        var create = function () {
            var con = getContainer[apply](null, arguments),
                container = con && con.container,
                x = con.x,
                y = con.y,
                width = con.width,
                height = con.height;
            if (!container) {
                throw new Error("SVG container not found.");
            }
            var cnvs = $("svg");
            width = width || 512;
            height = height || 342;
            $(cnvs, {
                xmlns: "http://www.w3.org/2000/svg",
                version: 1.1,
                width: width,
                height: height
            });
            if (container == 1) {
                cnvs.style.cssText = "position:absolute;left:" + x + "px;top:" + y + "px";
                doc.body[appendChild](cnvs);
            } else {
                if (container.firstChild) {
                    container.insertBefore(cnvs, container.firstChild);
                } else {
                    container[appendChild](cnvs);
                }
            }
            container = new Paper;
            container.width = width;
            container.height = height;
            container.canvas = cnvs;
            plugins.call(container, container, R.fn);
            container.clear();
            return container;
        };
        Paper[proto].clear = function () {
            var c = this.canvas;
            while (c.firstChild) {
                c.removeChild(c.firstChild);
            }
            this.bottom = this.top = null;
            (this.desc = $("desc"))[appendChild](doc.createTextNode("Created with Rapha\xebl"));
            c[appendChild](this.desc);
            c[appendChild](this.defs = $("defs"));
        };
        Paper[proto].remove = function () {
            this.canvas.parentNode && this.canvas.parentNode.removeChild(this.canvas);
            for (var i in this) {
                this[i] = removed(i);
            }
        };
    }
 
    // VML
    if (R.vml) {
        var map = {M: "m", L: "l", C: "c", Z: "x", m: "t", l: "r", c: "v", z: "x"},
            bites = /([clmz]),?([^clmz]*)/gi,
            val = /-?[^,\s-]+/g,
            path2vml = function (path) {
                var total =  /[ahqstv]/ig,
                    command = pathToAbsolute;
                (path + E).match(total) && (command = path2curve);
                total = /[clmz]/g;
                if (command == pathToAbsolute && !(path + E).match(total)) {
                    var res = (path + E)[rp](bites, function (all, command, args) {
                        var vals = [],
                            isMove = lowerCase.call(command) == "m",
                            res = map[command];
                        args[rp](val, function (value) {
                            if (isMove && vals[length] == 2) {
                                res += vals + map[command == "m" ? "l" : "L"];
                                vals = [];
                            }
                            vals[push](round(value));
                        });
                        return res + vals;
                    });
                    return res;
                }
                var pa = command(path), p, res = [], r;
                for (var i = 0, ii = pa[length]; i < ii; i++) {
                    p = pa[i];
                    r = lowerCase.call(pa[i][0]);
                    r == "z" && (r = "x");
                    for (var j = 1, jj = p[length]; j < jj; j++) {
                        r += round(p[j]) + (j != jj - 1 ? "," : E);
                    }
                    res[push](r);
                }
                return res[join](S);
            };
        
        R[toString] = function () {
            return  "Your browser doesn\u2019t support SVG. Falling down to VML.\nYou are running Rapha\xebl " + this.version;
        };
        var thePath = function (pathString, VML) {
            var g = createNode("group");
            g.style.cssText = "position:absolute;left:0;top:0;width:" + VML.width + "px;height:" + VML.height + "px";
            g.coordsize = VML.coordsize;
            g.coordorigin = VML.coordorigin;
            var el = createNode("shape"), ol = el.style;
            ol.width = VML.width + "px";
            ol.height = VML.height + "px";
            el.coordsize = this.coordsize;
            el.coordorigin = this.coordorigin;
            g[appendChild](el);
            var p = new Element(el, g, VML),
                attr = {fill: "none", stroke: "#000"};
            pathString && (attr.path = pathString);
            p.isAbsolute = true;
            p.type = "path";
            p.path = [];
            p.Path = E;
            setFillAndStroke(p, attr);
            VML.canvas[appendChild](g);
            return p;
        };
        var setFillAndStroke = function (o, params) {
            o.attrs = o.attrs || {};
            var node = o.node,
                a = o.attrs,
                s = node.style,
                xy,
                res = o;
            for (var par in params) if (params[has](par)) {
                a[par] = params[par];
            }
            params.href && (node.href = params.href);
            params.title && (node.title = params.title);
            params.target && (node.target = params.target);
            params.cursor && (s.cursor = params.cursor);
            if (params.path && o.type == "path") {
                a.path = params.path;
                node.path = path2vml(a.path);
            }
            if (params.rotation != null) {
                o.rotate(params.rotation, true);
            }
            if (params.translation) {
                xy = (params.translation + E)[split](separator);
                translate.call(o, xy[0], xy[1]);
                if (o._.rt.cx != null) {
                    o._.rt.cx +=+ xy[0];
                    o._.rt.cy +=+ xy[1];
                    o.setBox(o.attrs, xy[0], xy[1]);
                }
            }
            if (params.scale) {
                xy = (params.scale + E)[split](separator);
                o.scale(+xy[0] || 1, +xy[1] || +xy[0] || 1, +xy[2] || null, +xy[3] || null);
            }
            if ("clip-rect" in params) {
                var rect = (params["clip-rect"] + E)[split](separator);
                if (rect[length] == 4) {
                    rect[2] = +rect[2] + (+rect[0]);
                    rect[3] = +rect[3] + (+rect[1]);
                    var div = node.clipRect || doc.createElement("div"),
                        dstyle = div.style,
                        group = node.parentNode;
                    dstyle.clip = R.format("rect({1}px {2}px {3}px {0}px)", rect);
                    if (!node.clipRect) {
                        dstyle.position = "absolute";
                        dstyle.top = 0;
                        dstyle.left = 0;
                        dstyle.width = o.paper.width + "px";
                        dstyle.height = o.paper.height + "px";
                        group.parentNode.insertBefore(div, group);
                        div[appendChild](group);
                        node.clipRect = div;
                    }
                }
                if (!params["clip-rect"]) {
                    node.clipRect && (node.clipRect.style.clip = E);
                }
            }
            if (o.type == "image" && params.src) {
                node.src = params.src;
            }
            if (o.type == "image" && params.opacity) {
                node.filterOpacity = " progid:DXImageTransform.Microsoft.Alpha(opacity=" + (params.opacity * 100) + ")";
                s.filter = (node.filterMatrix || E) + (node.filterOpacity || E);
            }
            params.font && (s.font = params.font);
            params["font-family"] && (s.fontFamily = '"' + params["font-family"][split](",")[0][rp](/^['"]+|['"]+$/g, E) + '"');
            params["font-size"] && (s.fontSize = params["font-size"]);
            params["font-weight"] && (s.fontWeight = params["font-weight"]);
            params["font-style"] && (s.fontStyle = params["font-style"]);
            if (params.opacity != null || 
                params["stroke-width"] != null ||
                params.fill != null ||
                params.stroke != null ||
                params["stroke-width"] != null ||
                params["stroke-opacity"] != null ||
                params["fill-opacity"] != null ||
                params["stroke-dasharray"] != null ||
                params["stroke-miterlimit"] != null ||
                params["stroke-linejoin"] != null ||
                params["stroke-linecap"] != null) {
                node = o.shape || node;
                var fill = (node.getElementsByTagName("fill") && node.getElementsByTagName("fill")[0]),
                    newfill = false;
                !fill && (newfill = fill = createNode("fill"));
                if ("fill-opacity" in params || "opacity" in params) {
                    var opacity = ((+a["fill-opacity"] + 1 || 2) - 1) * ((+a.opacity + 1 || 2) - 1);
                    opacity < 0 && (opacity = 0);
                    opacity > 1 && (opacity = 1);
                    fill.opacity = opacity;
                }
                params.fill && (fill.on = true);
                if (fill.on == null || params.fill == "none") {
                    fill.on = false;
                }
                if (fill.on && params.fill) {
                    var isURL = params.fill.match(ISURL);
                    if (isURL) {
                        fill.src = isURL[1];
                        fill.type = "tile";
                    } else {
                        fill.color = R.getRGB(params.fill).hex;
                        fill.src = E;
                        fill.type = "solid";
                        if (R.getRGB(params.fill).error && (res.type in {circle: 1, ellipse: 1} || (params.fill + E).charAt() != "r") && addGradientFill(res, params.fill)) {
                            a.fill = "none";
                            a.gradient = params.fill;
                        }
                    }
                }
                newfill && node[appendChild](fill);
                var stroke = (node.getElementsByTagName("stroke") && node.getElementsByTagName("stroke")[0]),
                newstroke = false;
                !stroke && (newstroke = stroke = createNode("stroke"));
                if ((params.stroke && params.stroke != "none") ||
                    params["stroke-width"] ||
                    params["stroke-opacity"] != null ||
                    params["stroke-dasharray"] ||
                    params["stroke-miterlimit"] ||
                    params["stroke-linejoin"] ||
                    params["stroke-linecap"]) {
                    stroke.on = true;
                }
                (params.stroke == "none" || stroke.on == null || params.stroke == 0 || params["stroke-width"] == 0) && (stroke.on = false);
                stroke.on && params.stroke && (stroke.color = R.getRGB(params.stroke).hex);
                var opacity = ((+a["stroke-opacity"] + 1 || 2) - 1) * ((+a.opacity + 1 || 2) - 1),
                    width = (toFloat(params["stroke-width"]) || 1) * .75;
                opacity < 0 && (opacity = 0);
                opacity > 1 && (opacity = 1);
                params["stroke-width"] == null && (width = a["stroke-width"]);
                params["stroke-width"] && (stroke.weight = width);
                width && width < 1 && (opacity *= width) && (stroke.weight = 1);
                stroke.opacity = opacity;
                
                params["stroke-linejoin"] && (stroke.joinstyle = params["stroke-linejoin"] || "miter");
                stroke.miterlimit = params["stroke-miterlimit"] || 8;
                params["stroke-linecap"] && (stroke.endcap = params["stroke-linecap"] == "butt" ? "flat" : params["stroke-linecap"] == "square" ? "square" : "round");
                if (params["stroke-dasharray"]) {
                    var dasharray = {
                        "-": "shortdash",
                        ".": "shortdot",
                        "-.": "shortdashdot",
                        "-..": "shortdashdotdot",
                        ". ": "dot",
                        "- ": "dash",
                        "--": "longdash",
                        "- .": "dashdot",
                        "--.": "longdashdot",
                        "--..": "longdashdotdot"
                    };
                    stroke.dashstyle = dasharray[has](params["stroke-dasharray"]) ? dasharray[params["stroke-dasharray"]] : E;
                }
                newstroke && node[appendChild](stroke);
            }
            if (res.type == "text") {
                var s = res.paper.span.style;
                a.font && (s.font = a.font);
                a["font-family"] && (s.fontFamily = a["font-family"]);
                a["font-size"] && (s.fontSize = a["font-size"]);
                a["font-weight"] && (s.fontWeight = a["font-weight"]);
                a["font-style"] && (s.fontStyle = a["font-style"]);
                res.node.string && (res.paper.span.innerHTML = (res.node.string + E)[rp](/</g, "&#60;")[rp](/&/g, "&#38;")[rp](/\n/g, "<br>"));
                res.W = a.w = res.paper.span.offsetWidth;
                res.H = a.h = res.paper.span.offsetHeight;
                res.X = a.x;
                res.Y = a.y + round(res.H / 2);
 
                // text-anchor emulationm
                switch (a["text-anchor"]) {
                    case "start":
                        res.node.style["v-text-align"] = "left";
                        res.bbx = round(res.W / 2);
                    break;
                    case "end":
                        res.node.style["v-text-align"] = "right";
                        res.bbx = -round(res.W / 2);
                    break;
                    default:
                        res.node.style["v-text-align"] = "center";
                    break;
                }
            }
        };
        var addGradientFill = function (o, gradient) {
            o.attrs = o.attrs || {};
            var attrs = o.attrs,
                fill = o.node.getElementsByTagName("fill"),
                type = "linear",
                fxfy = ".5 .5";
            o.attrs.gradient = gradient;
            gradient = (gradient + E)[rp](radial_gradient, function (all, fx, fy) {
                type = "radial";
                if (fx && fy) {
                    fx = toFloat(fx);
                    fy = toFloat(fy);
                    pow(fx - .5, 2) + pow(fy - .5, 2) > .25 && (fy = math.sqrt(.25 - pow(fx - .5, 2)) * ((fy > .5) * 2 - 1) + .5);
                    fxfy = fx + S + fy;
                }
                return E;
            });
            gradient = gradient[split](/\s*\-\s*/);
            if (type == "linear") {
                var angle = gradient.shift();
                angle = -toFloat(angle);
                if (isNaN(angle)) {
                    return null;
                }
            }
            var dots = parseDots(gradient);
            if (!dots) {
                return null;
            }
            o = o.shape || o.node;
            fill = fill[0] || createNode("fill");
            if (dots[length]) {
                fill.on = true;
                fill.method = "none";
                fill.type = (type == "radial") ? "gradientradial" : "gradient";
                fill.color = dots[0].color;
                fill.color2 = dots[dots[length] - 1].color;
                var clrs = [];
                for (var i = 0, ii = dots[length]; i < ii; i++) {
                    dots[i].offset && clrs[push](dots[i].offset + S + dots[i].color);
                }
                fill.colors && (fill.colors.value = clrs[length] ? clrs[join](",") : "0% " + fill.color);
                if (type == "radial") {
                    fill.focus = "100%";
                    fill.focussize = fxfy;
                    fill.focusposition = fxfy;
                } else {
                    fill.angle = (270 - angle) % 360;
                }
            }
            return 1;
        };
        var Element = function (node, group, vml) {
            var Rotation = 0,
                RotX = 0,
                RotY = 0,
                Scale = 1;
            this[0] = node;
            this.id = R._oid++;
            this.node = node;
            node.raphael = this;
            this.X = 0;
            this.Y = 0;
            this.attrs = {};
            this.Group = group;
            this.paper = vml;
            this._ = {
                tx: 0,
                ty: 0,
                rt: {deg:0},
                sx: 1,
                sy: 1
            };
            !vml.bottom && (vml.bottom = this);
            this.prev = vml.top;
            vml.top && (vml.top.next = this);
            vml.top = this;
            this.next = null;
        };
        Element[proto].rotate = function (deg, cx, cy) {
            if (this.removed) {
                return this;
            }
            if (deg == null) {
                if (this._.rt.cx) {
                    return [this._.rt.deg, this._.rt.cx, this._.rt.cy][join](S);
                }
                return this._.rt.deg;
            }
            deg = (deg + E)[split](separator);
            if (deg[length] - 1) {
                cx = toFloat(deg[1]);
                cy = toFloat(deg[2]);
            }
            deg = toFloat(deg[0]);
            if (cx != null) {
                this._.rt.deg = deg;
            } else {
                this._.rt.deg += deg;
            }
            cy == null && (cx = null);
            this._.rt.cx = cx;
            this._.rt.cy = cy;
            this.setBox(this.attrs, cx, cy);
            this.Group.style.rotation = this._.rt.deg;
            // gradient fix for rotation. TODO
            // var fill = (this.shape || this.node).getElementsByTagName("fill");
            // fill = fill[0] || {};
            // var b = ((360 - this._.rt.deg) - 270) % 360;
            // !R.is(fill.angle, "undefined") && (fill.angle = b);
            return this;
        };
        Element[proto].setBox = function (params, cx, cy) {
            if (this.removed) {
                return this;
            }
            var gs = this.Group.style,
                os = (this.shape && this.shape.style) || this.node.style;
            params = params || {};
            for (var i in params) if (params[has](i)) {
                this.attrs[i] = params[i];
            }
            cx = cx || this._.rt.cx;
            cy = cy || this._.rt.cy;
            var attr = this.attrs,
                x,
                y,
                w,
                h;
            switch (this.type) {
                case "circle":
                    x = attr.cx - attr.r;
                    y = attr.cy - attr.r;
                    w = h = attr.r * 2;
                    break;
                case "ellipse":
                    x = attr.cx - attr.rx;
                    y = attr.cy - attr.ry;
                    w = attr.rx * 2;
                    h = attr.ry * 2;
                    break;
                case "rect":
                case "image":
                    x = +attr.x;
                    y = +attr.y;
                    w = attr.width || 0;
                    h = attr.height || 0;
                    break;
                case "text":
                    this.textpath.v = ["m", round(attr.x), ", ", round(attr.y - 2), "l", round(attr.x) + 1, ", ", round(attr.y - 2)][join](E);
                    x = attr.x - round(this.W / 2);
                    y = attr.y - this.H / 2;
                    w = this.W;
                    h = this.H;
                    break;
                case "path":
                    if (!this.attrs.path) {
                        x = 0;
                        y = 0;
                        w = this.paper.width;
                        h = this.paper.height;
                    } else {
                        var dim = pathDimensions(this.attrs.path);
                        x = dim.x;
                        y = dim.y;
                        w = dim.width;
                        h = dim.height;
                    }
                    break;
                default:
                    x = 0;
                    y = 0;
                    w = this.paper.width;
                    h = this.paper.height;
                    break;
            }
            cx = (cx == null) ? x + w / 2 : cx;
            cy = (cy == null) ? y + h / 2 : cy;
            var left = cx - this.paper.width / 2,
                top = cy - this.paper.height / 2;
            if (this.type == "path" || this.type == "text") {
                (gs.left != left + "px") && (gs.left = left + "px");
                (gs.top != top + "px") && (gs.top = top + "px");
                this.X = this.type == "text" ? x : -left;
                this.Y = this.type == "text" ? y : -top;
                this.W = w;
                this.H = h;
                (os.left != -left + "px") && (os.left = -left + "px");
                (os.top != -top + "px") && (os.top = -top + "px");
            } else {
                (gs.left != left + "px") && (gs.left = left + "px");
                (gs.top != top + "px") && (gs.top = top + "px");
                this.X = x;
                this.Y = y;
                this.W = w;
                this.H = h;
                (gs.width != this.paper.width + "px") && (gs.width = this.paper.width + "px");
                (gs.height != this.paper.height + "px") && (gs.height = this.paper.height + "px");
                (os.left != x - left + "px") && (os.left = x - left + "px");
                (os.top != y - top + "px") && (os.top = y - top + "px");
                (os.width != w + "px") && (os.width = w + "px");
                (os.height != h + "px") && (os.height = h + "px");
                var arcsize = (+params.r || 0) / mmin(w, h);
                if (this.type == "rect" && this.arcsize.toFixed(4) != arcsize.toFixed(4) && (arcsize || this.arcsize)) {
                    // We should replace element with the new one
                    var o = createNode("roundrect"),
                        a = {},
                        i = 0,
                        ii = this.events && this.events[length];
                    o.arcsize = arcsize;
                    o.raphael = this;
                    this.Group[appendChild](o);
                    this.Group.removeChild(this.node);
                    this[0] = this.node = o;
                    this.arcsize = arcsize;
                    for (var i in attr) {
                        a[i] = attr[i];
                    }
                    delete a.scale;
                    this.attr(a);
                    if (this.events) for (; i < ii; i++) {
                        this.events[i].unbind = addEvent(this.node, this.events[i].name, this.events[i].f, this);
                    }
                }
            }
        };
        Element[proto].hide = function () {
            !this.removed && (this.Group.style.display = "none");
            return this;
        };
        Element[proto].show = function () {
            !this.removed && (this.Group.style.display = "block");
            return this;
        };
        Element[proto].getBBox = function () {
            if (this.removed) {
                return this;
            }
            if (this.type == "path") {
                return pathDimensions(this.attrs.path);
            }
            return {
                x: this.X + (this.bbx || 0),
                y: this.Y,
                width: this.W,
                height: this.H
            };
        };
        Element[proto].remove = function () {
            if (this.removed) {
                return;
            }
            tear(this, this.paper);
            this.node.parentNode.removeChild(this.node);
            this.Group.parentNode.removeChild(this.Group);
            this.shape && this.shape.parentNode.removeChild(this.shape);
            for (var i in this) {
                delete this[i];
            }
            this.removed = true;
        };
        Element[proto].attr = function () {
            if (this.removed) {
                return this;
            }
            if (arguments[length] == 0) {
                var res = {};
                for (var i in this.attrs) if (this.attrs[has](i)) {
                    res[i] = this.attrs[i];
                }
                this._.rt.deg && (res.rotation = this.rotate());
                (this._.sx != 1 || this._.sy != 1) && (res.scale = this.scale());
                res.gradient && res.fill == "none" && (res.fill = res.gradient) && delete res.gradient;
                return res;
            }
            if (arguments[length] == 1 && R.is(arguments[0], "string")) {
                if (arguments[0] == "translation") {
                    return translate.call(this);
                }
                if (arguments[0] == "rotation") {
                    return this.rotate();
                }
                if (arguments[0] == "scale") {
                    return this.scale();
                }
                if (arguments[0] == "fill" && this.attrs.fill == "none" && this.attrs.gradient) {
                    return this.attrs.gradient;
                }
                return this.attrs[arguments[0]];
            }
            if (this.attrs && arguments[length] == 1 && R.is(arguments[0], "array")) {
                var values = {};
                for (var i = 0, ii = arguments[0][length]; i < ii; i++) {
                    values[arguments[0][i]] = this.attrs[arguments[0][i]];
                };
                return values;
            }
            var params;
            if (arguments[length] == 2) {
                params = {};
                params[arguments[0]] = arguments[1];
            }
            arguments[length] == 1 && R.is(arguments[0], "object") && (params = arguments[0]);
            if (params) {
                if (params.text && this.type == "text") {
                    this.node.string = params.text;
                }
                setFillAndStroke(this, params);
                if (params.gradient && (({circle: 1, ellipse: 1})[has](this.type) || (params.gradient + E).charAt() != "r")) {
                    addGradientFill(this, params.gradient);
                }
                (this.type != "path" || this._.rt.deg) && this.setBox(this.attrs);
            }
            return this;
        };
        Element[proto].toFront = function () {
            !this.removed && this.Group.parentNode[appendChild](this.Group);
            this.paper.top != this && tofront(this, this.paper);
            return this;
        };
        Element[proto].toBack = function () {
            if (this.removed) {
                return this;
            }
            if (this.Group.parentNode.firstChild != this.Group) {
                this.Group.parentNode.insertBefore(this.Group, this.Group.parentNode.firstChild);
                toback(this, this.paper);
            }
            return this;
        };
        Element[proto].insertAfter = function (element) {
            if (this.removed) {
                return this;
            }
            if (element.Group.nextSibling) {
                element.Group.parentNode.insertBefore(this.Group, element.Group.nextSibling);
            } else {
                element.Group.parentNode[appendChild](this.Group);
            }
            insertafter(this, element, this.paper);
            return this;
        };
        Element[proto].insertBefore = function (element) {
            if (this.removed) {
                return this;
            }
            element.Group.parentNode.insertBefore(this.Group, element.Group);
            insertbefore(this, element, this.paper);
            return this;
        };
 
        var theCircle = function (vml, x, y, r) {
            var g = createNode("group"),
                o = createNode("oval"),
                ol = o.style;
            g.style.cssText = "position:absolute;left:0;top:0;width:" + vml.width + "px;height:" + vml.height + "px";
            g.coordsize = vml.coordsize;
            g.coordorigin = vml.coordorigin;
            g[appendChild](o);
            var res = new Element(o, g, vml);
            res.type = "circle";
            setFillAndStroke(res, {stroke: "#000", fill: "none"});
            res.attrs.cx = x;
            res.attrs.cy = y;
            res.attrs.r = r;
            res.setBox({x: x - r, y: y - r, width: r * 2, height: r * 2});
            vml.canvas[appendChild](g);
            return res;
        },
        theRect = function (vml, x, y, w, h, r) {
            var g = createNode("group"),
                o = createNode("roundrect"),
                arcsize = (+r || 0) / (mmin(w, h));
            g.style.cssText = "position:absolute;left:0;top:0;width:" + vml.width + "px;height:" + vml.height + "px";
            g.coordsize = vml.coordsize;
            g.coordorigin = vml.coordorigin;
            g[appendChild](o);
            o.arcsize = arcsize;
            var res = new Element(o, g, vml);
            res.type = "rect";
            setFillAndStroke(res, {stroke: "#000"});
            res.arcsize = arcsize;
            res.setBox({x: x, y: y, width: w, height: h, r: r});
            vml.canvas[appendChild](g);
            return res;
        },
        theEllipse = function (vml, x, y, rx, ry) {
            var g = createNode("group"),
                o = createNode("oval"),
                ol = o.style;
            g.style.cssText = "position:absolute;left:0;top:0;width:" + vml.width + "px;height:" + vml.height + "px";
            g.coordsize = vml.coordsize;
            g.coordorigin = vml.coordorigin;
            g[appendChild](o);
            var res = new Element(o, g, vml);
            res.type = "ellipse";
            setFillAndStroke(res, {stroke: "#000"});
            res.attrs.cx = x;
            res.attrs.cy = y;
            res.attrs.rx = rx;
            res.attrs.ry = ry;
            res.setBox({x: x - rx, y: y - ry, width: rx * 2, height: ry * 2});
            vml.canvas[appendChild](g);
            return res;
        },
        theImage = function (vml, src, x, y, w, h) {
            var g = createNode("group"),
                o = createNode("image"),
                ol = o.style;
            g.style.cssText = "position:absolute;left:0;top:0;width:" + vml.width + "px;height:" + vml.height + "px";
            g.coordsize = vml.coordsize;
            g.coordorigin = vml.coordorigin;
            o.src = src;
            g[appendChild](o);
            var res = new Element(o, g, vml);
            res.type = "image";
            res.attrs.src = src;
            res.attrs.x = x;
            res.attrs.y = y;
            res.attrs.w = w;
            res.attrs.h = h;
            res.setBox({x: x, y: y, width: w, height: h});
            vml.canvas[appendChild](g);
            return res;
        },
        theText = function (vml, x, y, text) {
            var g = createNode("group"),
                el = createNode("shape"),
                ol = el.style,
                path = createNode("path"),
                ps = path.style,
                o = createNode("textpath");
            g.style.cssText = "position:absolute;left:0;top:0;width:" + vml.width + "px;height:" + vml.height + "px";
            g.coordsize = vml.coordsize;
            g.coordorigin = vml.coordorigin;
            path.v = R.format("m{0},{1}l{2},{1}", round(x), round(y), round(x) + 1);
            path.textpathok = true;
            ol.width = vml.width;
            ol.height = vml.height;
            o.string = text + E;
            o.on = true;
            el[appendChild](o);
            el[appendChild](path);
            g[appendChild](el);
            var res = new Element(o, g, vml);
            res.shape = el;
            res.textpath = path;
            res.type = "text";
            res.attrs.text = text;
            res.attrs.x = x;
            res.attrs.y = y;
            res.attrs.w = 1;
            res.attrs.h = 1;
            setFillAndStroke(res, {font: availableAttrs.font, stroke: "none", fill: "#000"});
            res.setBox();
            vml.canvas[appendChild](g);
            return res;
        },
        setSize = function (width, height) {
            var cs = this.canvas.style;
            width == +width && (width += "px");
            height == +height && (height += "px");
            cs.width = width;
            cs.height = height;
            cs.clip = "rect(0 " + width + " " + height + " 0)";
            return this;
        },
        createNode;
        doc.createStyleSheet().addRule(".rvml", "behavior:url(#default#VML)");
        try {
            !doc.namespaces.rvml && doc.namespaces.add("rvml", "urn:schemas-microsoft-com:vml");
            createNode = function (tagName) {
                return doc.createElement('<rvml:' + tagName + ' class="rvml">');
            };
        } catch (e) {
            createNode = function (tagName) {
                return doc.createElement('<' + tagName + ' xmlns="urn:schemas-microsoft.com:vml" class="rvml">');
            };
        }
        var create = function () {
            var con = getContainer[apply](null, arguments),
                container = con.container,
                height = con.height,
                s,
                width = con.width,
                x = con.x,
                y = con.y;
            if (!container) {
                throw new Error("VML container not found.");
            }
            var res = new Paper,
                c = res.canvas = doc.createElement("div"),
                cs = c.style;
            width = width || 512;
            height = height || 342;
            width == +width && (width += "px");
            height == +height && (height += "px");
            res.width = 1e3;
            res.height = 1e3;
            res.coordsize = "1000 1000";
            res.coordorigin = "0 0";
            res.span = doc.createElement("span");
            res.span.style.cssText = "position:absolute;left:-9999em;top:-9999em;padding:0;margin:0;line-height:1;display:inline;";
            c[appendChild](res.span);
            cs.cssText = R.format("width:{0};height:{1};position:absolute;clip:rect(0 {0} {1} 0);overflow:hidden", width, height);
            if (container == 1) {
                doc.body[appendChild](c);
                cs.left = x + "px";
                cs.top = y + "px";
            } else {
                container.style.width = width;
                container.style.height = height;
                if (container.firstChild) {
                    container.insertBefore(c, container.firstChild);
                } else {
                    container[appendChild](c);
                }
            }
            plugins.call(res, res, R.fn);
            return res;
        };
        Paper[proto].clear = function () {
            this.canvas.innerHTML = E;
            this.span = doc.createElement("span");
            this.span.style.cssText = "position:absolute;left:-9999em;top:-9999em;padding:0;margin:0;line-height:1;display:inline;";
            this.canvas[appendChild](this.span);
            this.bottom = this.top = null;
        };
        Paper[proto].remove = function () {
            this.canvas.parentNode.removeChild(this.canvas);
            for (var i in this) {
                this[i] = removed(i);
            }
        };
    }
 
    // rest
    // Safari or Chrome (WebKit) rendering bug workaround method
    if ((/^Apple|^Google/).test(navigator.vendor) && !(navigator.userAgent.indexOf("Version/4.0") + 1)) {
        Paper[proto].safari = function () {
            var rect = this.rect(-99, -99, this.width + 99, this.height + 99);
            setTimeout(function () {rect.remove();});
        };
    } else {
        Paper[proto].safari = function () {};
    }
 
    // Events
    var addEvent = (function () {
        if (doc.addEventListener) {
            return function (obj, type, fn, element) {
                var f = function (e) {
                    return fn.call(element, e);
                };
                obj.addEventListener(type, f, false);
                return function () {
                    obj.removeEventListener(type, f, false);
                    return true;
                };
            };
        } else if (doc.attachEvent) {
            return function (obj, type, fn, element) {
                var f = function (e) {
                    return fn.call(element, e || win.event);
                };
                obj.attachEvent("on" + type, f);
                var detacher = function () {
                    obj.detachEvent("on" + type, f);
                    return true;
                };
                return detacher;
            };
        }
    })();
    for (var i = events[length]; i--;) {
        (function (eventName) {
            Element[proto][eventName] = function (fn) {
                if (R.is(fn, "function")) {
                    this.events = this.events || [];
                    this.events.push({name: eventName, f: fn, unbind: addEvent(this.shape || this.node, eventName, fn, this)});
                }
                return this;
            };
            Element[proto]["un" + eventName] = function (fn) {
                var events = this.events,
                    l = events[length];
                while (l--) if (events[l].name == eventName && events[l].f == fn) {
                    events[l].unbind();
                    events.splice(l, 1);
                    !events.length && delete this.events;
                    return this;
                }
                return this;
            };
        })(events[i]);
    }
    Element[proto].hover = function (f_in, f_out) {
        return this.mouseover(f_in).mouseout(f_out);
    };
    Element[proto].unhover = function (f_in, f_out) {
        return this.unmouseover(f_in).unmouseout(f_out);
    };
    Paper[proto].circle = function (x, y, r) {
        return theCircle(this, x || 0, y || 0, r || 0);
    };
    Paper[proto].rect = function (x, y, w, h, r) {
        return theRect(this, x || 0, y || 0, w || 0, h || 0, r || 0);
    };
    Paper[proto].ellipse = function (x, y, rx, ry) {
        return theEllipse(this, x || 0, y || 0, rx || 0, ry || 0);
    };
    Paper[proto].path = function (pathString) {
        pathString && !R.is(pathString, "string") && !R.is(pathString[0], "array") && (pathString += E);
        return thePath(R.format[apply](R, arguments), this);
    };
    Paper[proto].image = function (src, x, y, w, h) {
        return theImage(this, src || "about:blank", x || 0, y || 0, w || 0, h || 0);
    };
    Paper[proto].text = function (x, y, text) {
        return theText(this, x || 0, y || 0, text || E);
    };
    Paper[proto].set = function (itemsArray) {
        arguments[length] > 1 && (itemsArray = Array[proto].splice.call(arguments, 0, arguments[length]));
        return new Set(itemsArray);
    };
    Paper[proto].setSize = setSize;
    Paper[proto].top = Paper[proto].bottom = null;
    Paper[proto].raphael = R;
    function x_y() {
        return this.x + S + this.y;
    };
    Element[proto].scale = function (x, y, cx, cy) {
        if (x == null && y == null) {
            return {
                x: this._.sx,
                y: this._.sy,
                toString: x_y
            };
        }
        y = y || x;
        !+y && (y = x);
        var dx,
            dy,
            dcx,
            dcy,
            a = this.attrs;
        if (x != 0) {
            var bb = this.getBBox(),
                rcx = bb.x + bb.width / 2,
                rcy = bb.y + bb.height / 2,
                kx = x / this._.sx,
                ky = y / this._.sy;
            cx = (+cx || cx == 0) ? cx : rcx;
            cy = (+cy || cy == 0) ? cy : rcy;
            var dirx = ~~(x / math.abs(x)),
                diry = ~~(y / math.abs(y)),
                s = this.node.style,
                ncx = cx + (rcx - cx) * kx,
                ncy = cy + (rcy - cy) * ky;
            switch (this.type) {
                case "rect":
                case "image":
                    var neww = a.width * dirx * kx,
                        newh = a.height * diry * ky;
                    this.attr({
                        height: newh,
                        r: a.r * mmin(dirx * kx, diry * ky),
                        width: neww,
                        x: ncx - neww / 2,
                        y: ncy - newh / 2
                    });
                    break;
                case "circle":
                case "ellipse":
                    this.attr({
                        rx: a.rx * dirx * kx,
                        ry: a.ry * diry * ky,
                        r: a.r * mmin(dirx * kx, diry * ky),
                        cx: ncx,
                        cy: ncy
                    });
                    break;
                case "path":
                    var path = pathToRelative(a.path),
                        skip = true;
                    for (var i = 0, ii = path[length]; i < ii; i++) {
                        var p = path[i],
                            j,
                            P0 = upperCase.call(p[0]);
                        if (P0 == "M" && skip) {
                            continue;
                        } else {
                            skip = false;
                        }
                        if (P0 == "A") {
                            p[path[i][length] - 2] *= kx;
                            p[path[i][length] - 1] *= ky;
                            p[1] *= dirx * kx;
                            p[2] *= diry * ky;
                            p[5] = +(dirx + diry ? !!+p[5] : !+p[5]);
                        } else if (P0 == "H") {
                            for (j = 1, jj = p[length]; j < jj; j++) {
                                p[j] *= kx;
                            }
                        } else if (P0 == "V") {
                            for (j = 1, jj = p[length]; j < jj; j++) {
                                p[j] *= ky;
                            }
                         } else {
                            for (j = 1, jj = p[length]; j < jj; j++) {
                                p[j] *= (j % 2) ? kx : ky;
                            }
                        }
                    }
                    var dim2 = pathDimensions(path),
                        dx = ncx - dim2.x - dim2.width / 2,
                        dy = ncy - dim2.y - dim2.height / 2;
                    path[0][1] += dx;
                    path[0][2] += dy;
                    this.attr({path: path});
                break;
            }
            if (this.type in {text: 1, image:1} && (dirx != 1 || diry != 1)) {
                if (this.transformations) {
                    this.transformations[2] = "scale("[concat](dirx, ",", diry, ")");
                    this.node[setAttribute]("transform", this.transformations[join](S));
                    dx = (dirx == -1) ? -a.x - (neww || 0) : a.x;
                    dy = (diry == -1) ? -a.y - (newh || 0) : a.y;
                    this.attr({x: dx, y: dy});
                    a.fx = dirx - 1;
                    a.fy = diry - 1;
                } else {
                    this.node.filterMatrix = " progid:DXImageTransform.Microsoft.Matrix(M11="[concat](dirx,
                        ", M12=0, M21=0, M22=", diry,
                        ", Dx=0, Dy=0, sizingmethod='auto expand', filtertype='bilinear')");
                    s.filter = (this.node.filterMatrix || E) + (this.node.filterOpacity || E);
                }
            } else {
                if (this.transformations) {
                    this.transformations[2] = E;
                    this.node[setAttribute]("transform", this.transformations[join](S));
                    a.fx = 0;
                    a.fy = 0;
                } else {
                    this.node.filterMatrix = E;
                    s.filter = (this.node.filterMatrix || E) + (this.node.filterOpacity || E);
                }
            }
            a.scale = [x, y, cx, cy][join](S);
            this._.sx = x;
            this._.sy = y;
        }
        return this;
    };
    Element[proto].clone = function () {
        var attr = this.attr();
        delete attr.scale;
        delete attr.translation;
        return this.paper[this.type]().attr(attr);
    };
    var getLengthFactory = function (istotal, subpath) {
        return function (path, length, onlystart) {
            path = path2curve(path);
            var x, y, p, l, sp = "", subpaths = {}, point,
                len = 0;
            for (var i = 0, ii = path.length; i < ii; i++) {
                p = path[i];
                if (p[0] == "M") {
                    x = +p[1];
                    y = +p[2];
                } else {
                    l = segmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6]);
                    if (len + l > length) {
                        if (subpath && !subpaths.start) {
                            point = R.findDotsAtSegment(x, y, p[1], p[2], p[3], p[4], p[5], p[6], (length - len) / l);
                            sp += ["C", point.start.x, point.start.y, point.m.x, point.m.y, point.x, point.y];
                            if (onlystart) return sp;
                            subpaths.start = sp;
                            sp = ["M", point.x, point.y + "C", point.n.x, point.n.y, point.end.x, point.end.y, p[5], p[6]][join]();
                            len += l;
                            x = +p[5];
                            y = +p[6];
                            continue;
                        }
                        if (!istotal && !subpath) {
                            point = R.findDotsAtSegment(x, y, p[1], p[2], p[3], p[4], p[5], p[6], (length - len) / l);
                            return {x: point.x, y: point.y, alpha: point.alpha};
                        }
                    }
                    len += l;
                    x = +p[5];
                    y = +p[6];
                }
                sp += p;
            }
            subpaths.end = sp;
            point = istotal ? len : subpath ? subpaths : R.findDotsAtSegment(x, y, p[1], p[2], p[3], p[4], p[5], p[6], 1);
            point.alpha && (point = {x: point.x, y: point.y, alpha: point.alpha});
            return point;
        };
    },
    segmentLength = cacher(function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y) {
        var old = {x: 0, y: 0},
            len = 0;
        for (var i = 0; i < 1.01; i+=.01) {
            var dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, i);
            i && (len += math.sqrt(pow(old.x - dot.x, 2) + pow(old.y - dot.y, 2)));
            old = dot;
        }
        return len;
    });
    var getTotalLength = getLengthFactory(1),
        getPointAtLength = getLengthFactory(),
        getSubpathsAtLength = getLengthFactory(0, 1);
    Element[proto].getTotalLength = function () {
        if (this.type != "path") return;
        return getTotalLength(this.attrs.path);
    };
    Element[proto].getPointAtLength = function (length) {
        if (this.type != "path") return;
        return getPointAtLength(this.attrs.path, length);
    };
    Element[proto].getSubpath = function (from, to) {
        if (this.type != "path") return;
        if (math.abs(this.getTotalLength() - to) < 1e-6) {
            return getSubpathsAtLength(this.attrs.path, from).end;
        }
        var a = getSubpathsAtLength(this.attrs.path, to, 1);
        return from ? getSubpathsAtLength(a, from).end : a;
    };

    // animation easing formulas
    R.easing_formulas = {
        linear: function (n) {
            return n;
        },
        "<": function (n) {
            return pow(n, 3);
        },
        ">": function (n) {
            return pow(n - 1, 3) + 1;
        },
        "<>": function (n) {
            n = n * 2;
            if (n < 1) {
                return pow(n, 3) / 2;
            }
            n -= 2;
            return (pow(n, 3) + 2) / 2;
        },
        backIn: function (n) {
            var s = 1.70158;
            return n * n * ((s + 1) * n - s);
        },
        backOut: function (n) {
            n = n - 1;
            var s = 1.70158;
            return n * n * ((s + 1) * n + s) + 1;
        },
        elastic: function (n) {
            if (n == 0 || n == 1) {
                return n;
            }
            var p = .3,
                s = p / 4;
            return pow(2, -10 * n) * math.sin((n - s) * (2 * math.PI) / p) + 1;
        },
        bounce: function (n) {
            var s = 7.5625,
                p = 2.75,
                l;
            if (n < (1 / p)) {
                l = s * n * n;
            } else {
                if (n < (2 / p)) {
                    n -= (1.5 / p);
                    l = s * n * n + .75;
                } else {
                    if (n < (2.5 / p)) {
                        n -= (2.25 / p);
                        l = s * n * n + .9375;
                    } else {
                        n -= (2.625 / p);
                        l = s * n * n + .984375;
                    }
                }
            }
            return l;
        }
    };
 
    var animationElements = {length : 0},
        animation = function () {
            var Now = +new Date;
            for (var l in animationElements) if (l != "length" && animationElements[has](l)) {
                var e = animationElements[l];
                if (e.stop || e.el.removed) {
                    delete animationElements[l];
                    animationElements[length]--;
                    continue;
                }
                var time = Now - e.start,
                    ms = e.ms,
                    easing = e.easing,
                    from = e.from,
                    diff = e.diff,
                    to = e.to,
                    t = e.t,
                    prev = e.prev || 0,
                    that = e.el,
                    callback = e.callback,
                    set = {},
                    now;
                if (time < ms) {
                    var pos = R.easing_formulas[easing] ? R.easing_formulas[easing](time / ms) : time / ms;
                    for (var attr in from) if (from[has](attr)) {
                        switch (availableAnimAttrs[attr]) {
                            case "along":
                                now = pos * ms * diff[attr];
                                to.back && (now = to.len - now);
                                var point = getPointAtLength(to[attr], now);
                                that.translate(diff.sx - diff.x || 0, diff.sy - diff.y || 0);
                                diff.x = point.x;
                                diff.y = point.y;
                                that.translate(point.x - diff.sx, point.y - diff.sy);
                                to.rot && that.rotate(diff.r + point.alpha, point.x, point.y);
                                break;
                            case "number":
                                now = +from[attr] + pos * ms * diff[attr];
                                break;
                            case "colour":
                                now = "rgb(" + [
                                    upto255(round(from[attr].r + pos * ms * diff[attr].r)),
                                    upto255(round(from[attr].g + pos * ms * diff[attr].g)),
                                    upto255(round(from[attr].b + pos * ms * diff[attr].b))
                                ][join](",") + ")";
                                break;
                            case "path":
                                now = [];
                                for (var i = 0, ii = from[attr][length]; i < ii; i++) {
                                    now[i] = [from[attr][i][0]];
                                    for (var j = 1, jj = from[attr][i][length]; j < jj; j++) {
                                        now[i][j] = +from[attr][i][j] + pos * ms * diff[attr][i][j];
                                    }
                                    now[i] = now[i][join](S);
                                }
                                now = now[join](S);
                                break;
                            case "csv":
                                switch (attr) {
                                    case "translation":
                                        var x = diff[attr][0] * (time - prev),
                                            y = diff[attr][1] * (time - prev);
                                        t.x += x;
                                        t.y += y;
                                        now = x + S + y;
                                    break;
                                    case "rotation":
                                        now = +from[attr][0] + pos * ms * diff[attr][0];
                                        from[attr][1] && (now += "," + from[attr][1] + "," + from[attr][2]);
                                    break;
                                    case "scale":
                                        now = [+from[attr][0] + pos * ms * diff[attr][0], +from[attr][1] + pos * ms * diff[attr][1], (2 in to[attr] ? to[attr][2] : E), (3 in to[attr] ? to[attr][3] : E)][join](S);
                                    break;
                                    case "clip-rect":
                                        now = [];
                                        var i = 4;
                                        while (i--) {
                                            now[i] = +from[attr][i] + pos * ms * diff[attr][i];
                                        }
                                    break;
                                }
                                break;
                        }
                        set[attr] = now;
                    }
                    that.attr(set);
                    that._run && that._run.call(that);
                } else {
                    if (to.along) {
                        var point = getPointAtLength(to.along, to.len * !to.back);
                        that.translate(diff.sx - (diff.x || 0) + point.x - diff.sx, diff.sy - (diff.y || 0) + point.y - diff.sy);
                        to.rot && that.rotate(diff.r + point.alpha, point.x, point.y);
                    }
                    (t.x || t.y) && that.translate(-t.x, -t.y);
                    to.scale && (to.scale = to.scale + E);
                    that.attr(to);
                    delete animationElements[l];
                    animationElements[length]--;
                    that.in_animation = null;
                    R.is(callback, "function") && callback.call(that);
                }
                e.prev = time;
            }
            R.svg && that && that.paper.safari();
            animationElements[length] && setTimeout(animation);
        },
        upto255 = function (color) {
            return color > 255 ? 255 : (color < 0 ? 0 : color);
        },
        translate = function (x, y) {
            if (x == null) {
                return {x: this._.tx, y: this._.ty, toString: x_y};
            }
            this._.tx += +x;
            this._.ty += +y;
            switch (this.type) {
                case "circle":
                case "ellipse":
                    this.attr({cx: +x + this.attrs.cx, cy: +y + this.attrs.cy});
                    break;
                case "rect":
                case "image":
                case "text":
                    this.attr({x: +x + this.attrs.x, y: +y + this.attrs.y});
                    break;
                case "path":
                    var path = pathToRelative(this.attrs.path);
                    path[0][1] += +x;
                    path[0][2] += +y;
                    this.attr({path: path});
                break;
            }
            return this;
        };
    Element[proto].animateWith = function (element, params, ms, easing, callback) {
        animationElements[element.id] && (params.start = animationElements[element.id].start);
        return this.animate(params, ms, easing, callback);
    };
    Element[proto].animateAlong = along();
    Element[proto].animateAlongBack = along(1);
    function along(isBack) {
        return function (path, ms, rotate, callback) {
            var params = {back: isBack};
            R.is(rotate, "function") ? (callback = rotate) : (params.rot = rotate);
            path && path.constructor == Element && (path = path.attrs.path);
            path && (params.along = path);
            return this.animate(params, ms, callback);
        };
    }
    Element[proto].onAnimation = function (f) {
        this._run = f || 0;
        return this;
    };
    Element[proto].animate = function (params, ms, easing, callback) {
        if (R.is(easing, "function") || !easing) {
            callback = easing || null;
        }
        var from = {},
            to = {},
            diff = {};
        for (var attr in params) if (params[has](attr)) {
            if (availableAnimAttrs[has](attr)) {
                from[attr] = this.attr(attr);
                (from[attr] == null) && (from[attr] = availableAttrs[attr]);
                to[attr] = params[attr];
                switch (availableAnimAttrs[attr]) {
                    case "along":
                        var len = getTotalLength(params[attr]),
                            point = getPointAtLength(params[attr], len * !!params.back),
                            bb = this.getBBox();
                        diff[attr] = len / ms;
                        diff.tx = bb.x;
                        diff.ty = bb.y;
                        diff.sx = point.x;
                        diff.sy = point.y;
                        to.rot = params.rot;
                        to.back = params.back;
                        to.len = len;
                        params.rot && (diff.r = toFloat(this.rotate()) || 0);
                        break;
                    case "number":
                        diff[attr] = (to[attr] - from[attr]) / ms;
                        break;
                    case "colour":
                        from[attr] = R.getRGB(from[attr]);
                        var toColour = R.getRGB(to[attr]);
                        diff[attr] = {
                            r: (toColour.r - from[attr].r) / ms,
                            g: (toColour.g - from[attr].g) / ms,
                            b: (toColour.b - from[attr].b) / ms
                        };
                        break;
                    case "path":
                        var pathes = path2curve(from[attr], to[attr]);
                        from[attr] = pathes[0];
                        var toPath = pathes[1];
                        diff[attr] = [];
                        for (var i = 0, ii = from[attr][length]; i < ii; i++) {
                            diff[attr][i] = [0];
                            for (var j = 1, jj = from[attr][i][length]; j < jj; j++) {
                                diff[attr][i][j] = (toPath[i][j] - from[attr][i][j]) / ms;
                            }
                        }
                        break;
                    case "csv":
                        var values = (params[attr] + E)[split](separator),
                            from2 = (from[attr] + E)[split](separator);
                        switch (attr) {
                            case "translation":
                                from[attr] = [0, 0];
                                diff[attr] = [values[0] / ms, values[1] / ms];
                            break;
                            case "rotation":
                                from[attr] = (from2[1] == values[1] && from2[2] == values[2]) ? from2 : [0, values[1], values[2]];
                                diff[attr] = [(values[0] - from[attr][0]) / ms, 0, 0];
                            break;
                            case "scale":
                                params[attr] = values;
                                from[attr] = (from[attr] + E)[split](separator);
                                diff[attr] = [(values[0] - from[attr][0]) / ms, (values[1] - from[attr][1]) / ms, 0, 0];
                            break;
                            case "clip-rect":
                                from[attr] = (from[attr] + E)[split](separator);
                                diff[attr] = [];
                                var i = 4;
                                while (i--) {
                                    diff[attr][i] = (values[i] - from[attr][i]) / ms;
                                }
                            break;
                        }
                        to[attr] = values;
                }
            }
        }
        this.stop();
        this.in_animation = 1;
        animationElements[this.id] = {
            start: params.start || +new Date,
            ms: ms,
            easing: easing,
            from: from,
            diff: diff,
            to: to,
            el: this,
            callback: callback,
            t: {x: 0, y: 0}
        };
        ++animationElements[length] == 1 && animation();
        return this;
    };
    Element[proto].stop = function () {
        animationElements[this.id] && animationElements[length]--;
        delete animationElements[this.id];
        return this;
    };
    Element[proto].translate = function (x, y) {
        return this.attr({translation: x + " " + y});
    };
    Element[proto][toString] = function () {
        return "Rapha\xebl\u2019s object";
    };
    R.ae = animationElements;
 
    // Set
    var Set = function (items) {
        this.items = [];
        this[length] = 0;
        if (items) {
            for (var i = 0, ii = items[length]; i < ii; i++) {
                if (items[i] && (items[i].constructor == Element || items[i].constructor == Set)) {
                    this[this.items[length]] = this.items[this.items[length]] = items[i];
                    this[length]++;
                }
            }
        }
    };
    Set[proto][push] = function () {
        var item,
            len;
        for (var i = 0, ii = arguments[length]; i < ii; i++) {
            item = arguments[i];
            if (item && (item.constructor == Element || item.constructor == Set)) {
                len = this.items[length];
                this[len] = this.items[len] = item;
                this[length]++;
            }
        }
        return this;
    };
    Set[proto].pop = function () {
        delete this[this[length]--];
        return this.items.pop();
    };
    for (var method in Element[proto]) if (Element[proto][has](method)) {
        Set[proto][method] = (function (methodname) {
            return function () {
                for (var i = 0, ii = this.items[length]; i < ii; i++) {
                    this.items[i][methodname][apply](this.items[i], arguments);
                }
                return this;
            };
        })(method);
    }
    Set[proto].attr = function (name, value) {
        if (name && R.is(name, "array") && R.is(name[0], "object")) {
            for (var j = 0, jj = name[length]; j < jj; j++) {
                this.items[j].attr(name[j]);
            }
        } else {
            for (var i = 0, ii = this.items[length]; i < ii; i++) {
                this.items[i].attr[apply](this.items[i], arguments);
            }
        }
        return this;
    };
    Set[proto].animate = function (params, ms, easing, callback) {
        (R.is(easing, "function") || !easing) && (callback = easing || null);
        var len = this.items[length],
            i = len,
            set = this,
            collector;
        callback && (collector = function () {
            !--len && callback.call(set);
        });
        this.items[--i].animate(params, ms, easing || collector, collector);
        while (i--) {
            this.items[i].animateWith(this.items[len - 1], params, ms, easing || collector, collector);
        }
        return this;
    };
    Set[proto].insertAfter = function (el) {
        var i = this.items[length];
        while (i--) {
            this.items[i].insertAfter(el);
        }
        return this;
    };
    Set[proto].getBBox = function () {
        var x = [],
            y = [],
            w = [],
            h = [];
        for (var i = this.items[length]; i--;) {
            var box = this.items[i].getBBox();
            x[push](box.x);
            y[push](box.y);
            w[push](box.x + box.width);
            h[push](box.y + box.height);
        }
        x = mmin[apply](0, x);
        y = mmin[apply](0, y);
        return {
            x: x,
            y: y,
            width: mmax[apply](0, w) - x,
            height: mmax[apply](0, h) - y
        };
    };
    Set[proto].clone = function (s) {
        s = new Set;
        for (var i = 0, ii = this.items[length]; i < ii; i++) {
            s[push](this.items[i].clone());
        }
        return s;
    };

    R.registerFont = function (font) {
        if (!font.face) {
            return font;
        }
        this.fonts = this.fonts || {};
        var fontcopy = {
                w: font.w,
                face: {},
                glyphs: {}
            },
            family = font.face["font-family"];
        for (var prop in font.face) if (font.face[has](prop)) {
            fontcopy.face[prop] = font.face[prop];
        }
        if (this.fonts[family]) {
            this.fonts[family][push](fontcopy);
        } else {
            this.fonts[family] = [fontcopy];
        }
        if (!font.svg) {
            fontcopy.face["units-per-em"] = toInt(font.face["units-per-em"], 10);
            for (var glyph in font.glyphs) if (font.glyphs[has](glyph)) {
                var path = font.glyphs[glyph];
                fontcopy.glyphs[glyph] = {
                    w: path.w,
                    k: {},
                    d: path.d && "M" + path.d[rp](/[mlcxtrv]/g, function (command) {
                            return {l: "L", c: "C", x: "z", t: "m", r: "l", v: "c"}[command] || "M";
                        }) + "z"
                };
                if (path.k) {
                    for (var k in path.k) if (path[has](k)) {
                        fontcopy.glyphs[glyph].k[k] = path.k[k];
                    }
                }
            }
        }
        return font;
    };
    Paper[proto].getFont = function (family, weight, style, stretch) {
        stretch = stretch || "normal";
        style = style || "normal";
        weight = +weight || {normal: 400, bold: 700, lighter: 300, bolder: 800}[weight] || 400;
        var font = R.fonts[family];
        if (!font) {
            var name = new RegExp("(^|\\s)" + family[rp](/[^\w\d\s+!~.:_-]/g, E) + "(\\s|$)", "i");
            for (var fontName in R.fonts) if (R.fonts[has](fontName)) {
                if (name.test(fontName)) {
                    font = R.fonts[fontName];
                    break;
                }
            }
        }
        var thefont;
        if (font) {
            for (var i = 0, ii = font[length]; i < ii; i++) {
                thefont = font[i];
                if (thefont.face["font-weight"] == weight && (thefont.face["font-style"] == style || !thefont.face["font-style"]) && thefont.face["font-stretch"] == stretch) {
                    break;
                }
            }
        }
        return thefont;
    };
    Paper[proto].print = function (x, y, string, font, size, origin) {
        origin = origin || "middle"; // baseline|middle
        var out = this.set(),
            letters = (string + E)[split](E),
            shift = 0,
            path = E,
            scale;
        R.is(font, "string") && (font = this.getFont(font));
        if (font) {
            scale = (size || 16) / font.face["units-per-em"];
            var bb = font.face.bbox.split(separator),
                top = +bb[0],
                height = +bb[1] + (origin == "baseline" ? bb[3] - bb[1] + (+font.face.descent) : (bb[3] - bb[1]) / 2);
            for (var i = 0, ii = letters[length]; i < ii; i++) {
                var prev = i && font.glyphs[letters[i - 1]] || {},
                    curr = font.glyphs[letters[i]];
                shift += i ? (prev.w || font.w) + (prev.k && prev.k[letters[i]] || 0) : 0;
                curr && curr.d && out[push](this.path(curr.d).attr({fill: "#000", stroke: "none", translation: [shift, 0]}));
            }
            out.scale(scale, scale, top, height).translate(x - top, y - height);
        }
        return out;
    };
 
    R.format = function (token) {
        var args = R.is(arguments[1], "array") ? [0][concat](arguments[1]) : arguments,
            rg = /\{(\d+)\}/g;
        token && R.is(token, "string") && args[length] - 1 && (token = token[rp](rg, function (str, i) {
            return args[++i] == null ? E : args[i];
        }));
        return token || E;
    };
    R.ninja = function () {
        oldRaphael.was ? (Raphael = oldRaphael.is) : delete Raphael;
        return R;
    };
    R.el = Element[proto];
    return R;
})();