text: // ┌─────────────────────────────────────────────────────────────────────┐ \\
  // │ Raphaël - JavaScript Vector Library                                 │ \\
  // ├─────────────────────────────────────────────────────────────────────┤ \\
  // │ VML Module                                                          │ \\
  // ├─────────────────────────────────────────────────────────────────────┤ \\
  // │ Copyright (c) 2008-2011 Dmitry Baranovskiy (http://raphaeljs.com)   │ \\
  // │ Copyright (c) 2008-2011 Sencha Labs (http://sencha.com)             │ \\
  // │ Licensed under the MIT (http://raphaeljs.com/license.html) license. │ \\
  // └─────────────────────────────────────────────────────────────────────┘ \\
  
  window.Raphael && window.Raphael.vml && function(R) {
      var has = "hasOwnProperty",
          Str = String,
          toFloat = parseFloat,
          math = Math,
          round = math.round,
          mmax = math.max,
          mmin = math.min,
          abs = math.abs,
          fillString = "fill",
          separator = /[, ]+/,
          eve = R.eve,
          ms = " progid:DXImageTransform.Microsoft",
          S = " ",
          E = "",
          map = {M: "m", L: "l", C: "c", Z: "x", m: "t", l: "r", c: "v", z: "x"},
          bites = /([clmz]),?([^clmz]*)/gi,
          blurregexp = / progid:\S+Blur\([^\)]+\)/g,
          val = /-?[^,\s-]+/g,
          cssDot = "position:absolute;left:0;top:0;width:1px;height:1px",
          zoom = 21600,
          pathTypes = {path: 1, rect: 1, image: 1},
          ovalTypes = {circle: 1, ellipse: 1},
          path2vml = function (path) {
              var total =  /[ahqstv]/ig,
                  command = R._pathToAbsolute;
              Str(path).match(total) && (command = R._path2curve);
              total = /[clmz]/g;
              if (command == R._pathToAbsolute && !Str(path).match(total)) {
                  var res = Str(path).replace(bites, function (all, command, args) {
                      var vals = [],
                          isMove = command.toLowerCase() == "m",
                          res = map[command];
                      args.replace(val, function (value) {
                          if (isMove && vals.length == 2) {
                              res += vals + map[command == "m" ? "l" : "L"];
                              vals = [];
                          }
                          vals.push(round(value * zoom));
                      });
                      return res + vals;
                  });
                  return res;
              }
              var pa = command(path), p, r;
              res = [];
              for (var i = 0, ii = pa.length; i < ii; i++) {
                  p = pa[i];
                  r = pa[i][0].toLowerCase();
                  r == "z" && (r = "x");
                  for (var j = 1, jj = p.length; j < jj; j++) {
                      r += round(p[j] * zoom) + (j != jj - 1 ? "," : E);
                  }
                  res.push(r);
              }
              return res.join(S);
          },
          compensation = function (deg, dx, dy) {
              var m = R.matrix();
              m.rotate(-deg, .5, .5);
              return {
                  dx: m.x(dx, dy),
                  dy: m.y(dx, dy)
              };
          },
          setCoords = function (p, sx, sy, dx, dy, deg) {
              var _ = p._,
                  m = p.matrix,
                  fillpos = _.fillpos,
                  o = p.node,
                  s = o.style,
                  y = 1,
                  flip = "",
                  dxdy,
                  kx = zoom / sx,
                  ky = zoom / sy;
              s.visibility = "hidden";
              if (!sx || !sy) {
                  return;
              }
              o.coordsize = abs(kx) + S + abs(ky);
              s.rotation = deg * (sx * sy < 0 ? -1 : 1);
              if (deg) {
                  var c = compensation(deg, dx, dy);
                  dx = c.dx;
                  dy = c.dy;
              }
              sx < 0 && (flip += "x");
              sy < 0 && (flip += " y") && (y = -1);
              s.flip = flip;
              o.coordorigin = (dx * -kx) + S + (dy * -ky);
              if (fillpos || _.fillsize) {
                  var fill = o.getElementsByTagName(fillString);
                  fill = fill && fill[0];
                  o.removeChild(fill);
                  if (fillpos) {
                      c = compensation(deg, m.x(fillpos[0], fillpos[1]), m.y(fillpos[0], fillpos[1]));
                      fill.position = c.dx * y + S + c.dy * y;
                  }
                  if (_.fillsize) {
                      fill.size = _.fillsize[0] * abs(sx) + S + _.fillsize[1] * abs(sy);
                  }
                  o.appendChild(fill);
              }
              s.visibility = "visible";
          };
      R.toString = function () {
          return  "Your browser doesn\u2019t support SVG. Falling down to VML.\nYou are running Rapha\xebl " + this.version;
      };
      var addArrow = function (o, value, isEnd) {
          var values = Str(value).toLowerCase().split("-"),
              se = isEnd ? "end" : "start",
              i = values.length,
              type = "classic",
              w = "medium",
              h = "medium";
          while (i--) {
              switch (values[i]) {
                  case "block":
                  case "classic":
                  case "oval":
                  case "diamond":
                  case "open":
                  case "none":
                      type = values[i];
                      break;
                  case "wide":
                  case "narrow": h = values[i]; break;
                  case "long":
                  case "short": w = values[i]; break;
              }
          }
          var stroke = o.node.getElementsByTagName("stroke")[0];
          stroke[se + "arrow"] = type;
          stroke[se + "arrowlength"] = w;
          stroke[se + "arrowwidth"] = h;
      },
      setFillAndStroke = function (o, params) {
          // o.paper.canvas.style.display = "none";
          o.attrs = o.attrs || {};
          var node = o.node,
              a = o.attrs,
              s = node.style,
              xy,
              newpath = pathTypes[o.type] && (params.x != a.x || params.y != a.y || params.width != a.width || params.height != a.height || params.cx != a.cx || params.cy != a.cy || params.rx != a.rx || params.ry != a.ry || params.r != a.r),
              isOval = ovalTypes[o.type] && (a.cx != params.cx || a.cy != params.cy || a.r != params.r || a.rx != params.rx || a.ry != params.ry),
              res = o;
  
  
          for (var par in params) if (params[has](par)) {
              a[par] = params[par];
          }
          if (newpath) {
              a.path = R._getPath[o.type](o);
              o._.dirty = 1;
          }
          params.href && (node.href = params.href);
          params.title && (node.title = params.title);
          params.target && (node.target = params.target);
          params.cursor && (s.cursor = params.cursor);
          "blur" in params && o.blur(params.blur);
          if (params.path && o.type == "path" || newpath) {
              node.path = path2vml(~Str(a.path).toLowerCase().indexOf("r") ? R._pathToAbsolute(a.path) : a.path);
              if (o.type == "image") {
                  o._.fillpos = [a.x, a.y];
                  o._.fillsize = [a.width, a.height];
                  setCoords(o, 1, 1, 0, 0, 0);
              }
          }
          "transform" in params && o.transform(params.transform);
          if (isOval) {
              var cx = +a.cx,
                  cy = +a.cy,
                  rx = +a.rx || +a.r || 0,
                  ry = +a.ry || +a.r || 0;
              node.path = R.format("ar{0},{1},{2},{3},{4},{1},{4},{1}x", round((cx - rx) * zoom), round((cy - ry) * zoom), round((cx + rx) * zoom), round((cy + ry) * zoom), round(cx * zoom));
              o._.dirty = 1;
          }
          if ("clip-rect" in params) {
              var rect = Str(params["clip-rect"]).split(separator);
              if (rect.length == 4) {
                  rect[2] = +rect[2] + (+rect[0]);
                  rect[3] = +rect[3] + (+rect[1]);
                  var div = node.clipRect || R._g.doc.createElement("div"),
                      dstyle = div.style;
                  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";
                      node.parentNode.insertBefore(div, node);
                      div.appendChild(node);
                      node.clipRect = div;
                  }
              }
              if (!params["clip-rect"]) {
                  node.clipRect && (node.clipRect.style.clip = "auto");
              }
          }
          if (o.textpath) {
              var textpathStyle = o.textpath.style;
              params.font && (textpathStyle.font = params.font);
              params["font-family"] && (textpathStyle.fontFamily = '"' + params["font-family"].split(",")[0].replace(/^['"]+|['"]+$/g, E) + '"');
              params["font-size"] && (textpathStyle.fontSize = params["font-size"]);
              params["font-weight"] && (textpathStyle.fontWeight = params["font-weight"]);
              params["font-style"] && (textpathStyle.fontStyle = params["font-style"]);
          }
          if ("arrow-start" in params) {
              addArrow(res, params["arrow-start"]);
          }
          if ("arrow-end" in params) {
              addArrow(res, params["arrow-end"], 1);
          }
          if (params.opacity != null || 
              params["stroke-width"] != null ||
              params.fill != null ||
              params.src != 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) {
              var fill = node.getElementsByTagName(fillString),
                  newfill = false;
              fill = fill && fill[0];
              !fill && (newfill = fill = createNode(fillString));
              if (o.type == "image" && params.src) {
                  fill.src = params.src;
              }
              params.fill && (fill.on = true);
              if (fill.on == null || params.fill == "none" || params.fill === null) {
                  fill.on = false;
              }
              if (fill.on && params.fill) {
                  var isURL = Str(params.fill).match(R._ISURL);
                  if (isURL) {
                      fill.parentNode == node && node.removeChild(fill);
                      fill.rotate = true;
                      fill.src = isURL[1];
                      fill.type = "tile";
                      var bbox = o.getBBox(1);
                      fill.position = bbox.x + S + bbox.y;
                      o._.fillpos = [bbox.x, bbox.y];
  
                      R._preload(isURL[1], function () {
                          o._.fillsize = [this.offsetWidth, this.offsetHeight];
                      });
                  } 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} || Str(params.fill).charAt() != "r") && addGradientFill(res, params.fill, fill)) {
                          a.fill = "none";
                          a.gradient = params.fill;
                          fill.rotate = false;
                      }
                  }
              }
              if ("fill-opacity" in params || "opacity" in params) {
                  var opacity = ((+a["fill-opacity"] + 1 || 2) - 1) * ((+a.opacity + 1 || 2) - 1) * ((+R.getRGB(params.fill).o + 1 || 2) - 1);
                  opacity = mmin(mmax(opacity, 0), 1);
                  fill.opacity = opacity;
                  if (fill.src) {
                      fill.color = "none";
                  }
              }
              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" || params.stroke === null || stroke.on == null || params.stroke == 0 || params["stroke-width"] == 0) && (stroke.on = false);
              var strokeColor = R.getRGB(params.stroke);
              stroke.on && params.stroke && (stroke.color = strokeColor.hex);
              opacity = ((+a["stroke-opacity"] + 1 || 2) - 1) * ((+a.opacity + 1 || 2) - 1) * ((+strokeColor.o + 1 || 2) - 1);
              var width = (toFloat(params["stroke-width"]) || 1) * .75;
              opacity = mmin(mmax(opacity, 0), 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") {
              res.paper.canvas.style.display = E;
              var span = res.paper.span,
                  m = 100,
                  fontSize = a.font && a.font.match(/\d+(?:\.\d*)?(?=px)/);
              s = span.style;
              a.font && (s.font = a.font);
              a["font-family"] && (s.fontFamily = a["font-family"]);
              a["font-weight"] && (s.fontWeight = a["font-weight"]);
              a["font-style"] && (s.fontStyle = a["font-style"]);
              fontSize = toFloat(a["font-size"] || fontSize && fontSize[0]) || 10;
              s.fontSize = fontSize * m + "px";
              res.textpath.string && (span.innerHTML = Str(res.textpath.string).replace(/</g, "&#60;").replace(/&/g, "&#38;").replace(/\n/g, "<br>"));
              var brect = span.getBoundingClientRect();
              res.W = a.w = (brect.right - brect.left) / m;
              res.H = a.h = (brect.bottom - brect.top) / m;
              // res.paper.canvas.style.display = "none";
              res.X = a.x;
              res.Y = a.y + res.H / 2;
  
              ("x" in params || "y" in params) && (res.path.v = R.format("m{0},{1}l{2},{1}", round(a.x * zoom), round(a.y * zoom), round(a.x * zoom) + 1));
              var dirtyattrs = ["x", "y", "text", "font", "font-family", "font-weight", "font-style", "font-size"];
              for (var d = 0, dd = dirtyattrs.length; d < dd; d++) if (dirtyattrs[d] in params) {
                  res._.dirty = 1;
                  break;
              }
          
              // text-anchor emulation
              switch (a["text-anchor"]) {
                  case "start":
                      res.textpath.style["v-text-align"] = "left";
                      res.bbx = res.W / 2;
                  break;
                  case "end":
                      res.textpath.style["v-text-align"] = "right";
                      res.bbx = -res.W / 2;
                  break;
                  default:
                      res.textpath.style["v-text-align"] = "center";
                      res.bbx = 0;
                  break;
              }
              res.textpath.style["v-text-kern"] = true;
          }
          // res.paper.canvas.style.display = E;
      },
      addGradientFill = function (o, gradient, fill) {
          o.attrs = o.attrs || {};
          var attrs = o.attrs,
              pow = Math.pow,
              opacity,
              oindex,
              type = "linear",
              fxfy = ".5 .5";
          o.attrs.gradient = gradient;
          gradient = Str(gradient).replace(R._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 = R._parseDots(gradient);
          if (!dots) {
              return null;
          }
          o = o.shape || o.node;
          if (dots.length) {
              o.removeChild(fill);
              fill.on = true;
              fill.method = "none";
              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 = clrs.length ? clrs.join() : "0% " + fill.color;
              if (type == "radial") {
                  fill.type = "gradientTitle";
                  fill.focus = "100%";
                  fill.focussize = "0 0";
                  fill.focusposition = fxfy;
                  fill.angle = 0;
              } else {
                  // fill.rotate= true;
                  fill.type = "gradient";
                  fill.angle = (270 - angle) % 360;
              }
              o.appendChild(fill);
          }
          return 1;
      },
      Element = function (node, vml) {
          this[0] = this.node = node;
          node.raphael = true;
          this.id = R._oid++;
          node.raphaelid = this.id;
          this.X = 0;
          this.Y = 0;
          this.attrs = {};
          this.paper = vml;
          this.matrix = R.matrix();
          this._ = {
              transform: [],
              sx: 1,
              sy: 1,
              dx: 0,
              dy: 0,
              deg: 0,
              dirty: 1,
              dirtyT: 1
          };
          !vml.bottom && (vml.bottom = this);
          this.prev = vml.top;
          vml.top && (vml.top.next = this);
          vml.top = this;
          this.next = null;
      };
      var elproto = R.el;
  
      Element.prototype = elproto;
      elproto.constructor = Element;
      elproto.transform = function (tstr) {
          if (tstr == null) {
              return this._.transform;
          }
          var vbs = this.paper._viewBoxShift,
              vbt = vbs ? "s" + [vbs.scale, vbs.scale] + "-1-1t" + [vbs.dx, vbs.dy] : E,
              oldt;
          if (vbs) {
              oldt = tstr = Str(tstr).replace(/\.{3}|\u2026/g, this._.transform || E);
          }
          R._extractTransform(this, vbt + tstr);
          var matrix = this.matrix.clone(),
              skew = this.skew,
              o = this.node,
              split,
              isGrad = ~Str(this.attrs.fill).indexOf("-"),
              isPatt = !Str(this.attrs.fill).indexOf("url(");
          matrix.translate(1, 1);
          if (isPatt || isGrad || this.type == "image") {
              skew.matrix = "1 0 0 1";
              skew.offset = "0 0";
              split = matrix.split();
              if ((isGrad && split.noRotation) || !split.isSimple) {
                  o.style.filter = matrix.toFilter();
                  var bb = this.getBBox(),
                      bbt = this.getBBox(1),
                      dx = bb.x - bbt.x,
                      dy = bb.y - bbt.y;
                  o.coordorigin = (dx * -zoom) + S + (dy * -zoom);
                  setCoords(this, 1, 1, dx, dy, 0);
              } else {
                  o.style.filter = E;
                  setCoords(this, split.scalex, split.scaley, split.dx, split.dy, split.rotate);
              }
          } else {
              o.style.filter = E;
              skew.matrix = Str(matrix);
              skew.offset = matrix.offset();
          }
          oldt && (this._.transform = oldt);
          return this;
      };
      elproto.rotate = function (deg, cx, cy) {
          if (this.removed) {
              return this;
          }
          if (deg == null) {
              return;
          }
          deg = Str(deg).split(separator);
          if (deg.length - 1) {
              cx = toFloat(deg[1]);
              cy = toFloat(deg[2]);
          }
          deg = toFloat(deg[0]);
          (cy == null) && (cx = cy);
          if (cx == null || cy == null) {
              var bbox = this.getBBox(1);
              cx = bbox.x + bbox.width / 2;
              cy = bbox.y + bbox.height / 2;
          }
          this._.dirtyT = 1;
          this.transform(this._.transform.concat([["r", deg, cx, cy]]));
          return this;
      };
      elproto.translate = function (dx, dy) {
          if (this.removed) {
              return this;
          }
          dx = Str(dx).split(separator);
          if (dx.length - 1) {
              dy = toFloat(dx[1]);
          }
          dx = toFloat(dx[0]) || 0;
          dy = +dy || 0;
          if (this._.bbox) {
              this._.bbox.x += dx;
              this._.bbox.y += dy;
          }
          this.transform(this._.transform.concat([["t", dx, dy]]));
          return this;
      };
      elproto.scale = function (sx, sy, cx, cy) {
          if (this.removed) {
              return this;
          }
          sx = Str(sx).split(separator);
          if (sx.length - 1) {
              sy = toFloat(sx[1]);
              cx = toFloat(sx[2]);
              cy = toFloat(sx[3]);
              isNaN(cx) && (cx = null);
              isNaN(cy) && (cy = null);
          }
          sx = toFloat(sx[0]);
          (sy == null) && (sy = sx);
          (cy == null) && (cx = cy);
          if (cx == null || cy == null) {
              var bbox = this.getBBox(1);
          }
          cx = cx == null ? bbox.x + bbox.width / 2 : cx;
          cy = cy == null ? bbox.y + bbox.height / 2 : cy;
      
          this.transform(this._.transform.concat([["s", sx, sy, cx, cy]]));
          this._.dirtyT = 1;
          return this;
      };
      elproto.hide = function () {
          !this.removed && (this.node.style.display = "none");
          return this;
      };
      elproto.show = function () {
          !this.removed && (this.node.style.display = E);
          return this;
      };
      elproto._getBBox = function () {
          if (this.removed) {
              return {};
          }
          return {
              x: this.X + (this.bbx || 0) - this.W / 2,
              y: this.Y - this.H,
              width: this.W,
              height: this.H
          };
      };
      elproto.remove = function () {
          if (this.removed || !this.node.parentNode) {
              return;
          }
          this.paper.__set__ && this.paper.__set__.exclude(this);
          R.eve.unbind("raphael.*.*." + this.id);
          R._tear(this, this.paper);
          this.node.parentNode.removeChild(this.node);
          this.shape && this.shape.parentNode.removeChild(this.shape);
          for (var i in this) {
              this[i] = typeof this[i] == "function" ? R._removedFactory(i) : null;
          }
          this.removed = true;
      };
      elproto.attr = function (name, value) {
          if (this.removed) {
              return this;
          }
          if (name == null) {
              var res = {};
              for (var a in this.attrs) if (this.attrs[has](a)) {
                  res[a] = this.attrs[a];
              }
              res.gradient && res.fill == "none" && (res.fill = res.gradient) && delete res.gradient;
              res.transform = this._.transform;
              return res;
          }
          if (value == null && R.is(name, "string")) {
              if (name == fillString && this.attrs.fill == "none" && this.attrs.gradient) {
                  return this.attrs.gradient;
              }
              var names = name.split(separator),
                  out = {};
              for (var i = 0, ii = names.length; i < ii; i++) {
                  name = names[i];
                  if (name in this.attrs) {
                      out[name] = this.attrs[name];
                  } else if (R.is(this.paper.customAttributes[name], "function")) {
                      out[name] = this.paper.customAttributes[name].def;
                  } else {
                      out[name] = R._availableAttrs[name];
                  }
              }
              return ii - 1 ? out : out[names[0]];
          }
          if (this.attrs && value == null && R.is(name, "array")) {
              out = {};
              for (i = 0, ii = name.length; i < ii; i++) {
                  out[name[i]] = this.attr(name[i]);
              }
              return out;
          }
          var params;
          if (value != null) {
              params = {};
              params[name] = value;
          }
          value == null && R.is(name, "object") && (params = name);
          for (var key in params) {
              eve("raphael.attr." + key + "." + this.id, this, params[key]);
          }
          if (params) {
              for (key in this.paper.customAttributes) if (this.paper.customAttributes[has](key) && params[has](key) && R.is(this.paper.customAttributes[key], "function")) {
                  var par = this.paper.customAttributes[key].apply(this, [].concat(params[key]));
                  this.attrs[key] = params[key];
                  for (var subkey in par) if (par[has](subkey)) {
                      params[subkey] = par[subkey];
                  }
              }
              // this.paper.canvas.style.display = "none";
              if (params.text && this.type == "text") {
                  this.textpath.string = params.text;
              }
              setFillAndStroke(this, params);
              // this.paper.canvas.style.display = E;
          }
          return this;
      };
      elproto.toFront = function () {
          !this.removed && this.node.parentNode.appendChild(this.node);
          this.paper && this.paper.top != this && R._tofront(this, this.paper);
          return this;
      };
      elproto.toBack = function () {
          if (this.removed) {
              return this;
          }
          if (this.node.parentNode.firstChild != this.node) {
              this.node.parentNode.insertBefore(this.node, this.node.parentNode.firstChild);
              R._toback(this, this.paper);
          }
          return this;
      };
      elproto.insertAfter = function (element) {
          if (this.removed) {
              return this;
          }
          if (element.constructor == R.st.constructor) {
              element = element[element.length - 1];
          }
          if (element.node.nextSibling) {
              element.node.parentNode.insertBefore(this.node, element.node.nextSibling);
          } else {
              element.node.parentNode.appendChild(this.node);
          }
          R._insertafter(this, element, this.paper);
          return this;
      };
      elproto.insertBefore = function (element) {
          if (this.removed) {
              return this;
          }
          if (element.constructor == R.st.constructor) {
              element = element[0];
          }
          element.node.parentNode.insertBefore(this.node, element.node);
          R._insertbefore(this, element, this.paper);
          return this;
      };
      elproto.blur = function (size) {
          var s = this.node.runtimeStyle,
              f = s.filter;
          f = f.replace(blurregexp, E);
          if (+size !== 0) {
              this.attrs.blur = size;
              s.filter = f + S + ms + ".Blur(pixelradius=" + (+size || 1.5) + ")";
              s.margin = R.format("-{0}px 0 0 -{0}px", round(+size || 1.5));
          } else {
              s.filter = f;
              s.margin = 0;
              delete this.attrs.blur;
          }
          return this;
      };
  
      R._engine.path = function (pathString, vml) {
          var el = createNode("shape");
          el.style.cssText = cssDot;
          el.coordsize = zoom + S + zoom;
          el.coordorigin = vml.coordorigin;
          var p = new Element(el, vml),
              attr = {fill: "none", stroke: "#000"};
          pathString && (attr.path = pathString);
          p.type = "path";
          p.path = [];
          p.Path = E;
          setFillAndStroke(p, attr);
          vml.canvas.appendChild(el);
          var skew = createNode("skew");
          skew.on = true;
          el.appendChild(skew);
          p.skew = skew;
          p.transform(E);
          return p;
      };
      R._engine.rect = function (vml, x, y, w, h, r) {
          var path = R._rectPath(x, y, w, h, r),
              res = vml.path(path),
              a = res.attrs;
          res.X = a.x = x;
          res.Y = a.y = y;
          res.W = a.width = w;
          res.H = a.height = h;
          a.r = r;
          a.path = path;
          res.type = "rect";
          return res;
      };
      R._engine.ellipse = function (vml, x, y, rx, ry) {
          var res = vml.path(),
              a = res.attrs;
          res.X = x - rx;
          res.Y = y - ry;
          res.W = rx * 2;
          res.H = ry * 2;
          res.type = "ellipse";
          setFillAndStroke(res, {
              cx: x,
              cy: y,
              rx: rx,
              ry: ry
          });
          return res;
      };
      R._engine.circle = function (vml, x, y, r) {
          var res = vml.path(),
              a = res.attrs;
          res.X = x - r;
          res.Y = y - r;
          res.W = res.H = r * 2;
          res.type = "circle";
          setFillAndStroke(res, {
              cx: x,
              cy: y,
              r: r
          });
          return res;
      };
      R._engine.image = function (vml, src, x, y, w, h) {
          var path = R._rectPath(x, y, w, h),
              res = vml.path(path).attr({stroke: "none"}),
              a = res.attrs,
              node = res.node,
              fill = node.getElementsByTagName(fillString)[0];
          a.src = src;
          res.X = a.x = x;
          res.Y = a.y = y;
          res.W = a.width = w;
          res.H = a.height = h;
          a.path = path;
          res.type = "image";
          fill.parentNode == node && node.removeChild(fill);
          fill.rotate = true;
          fill.src = src;
          fill.type = "tile";
          res._.fillpos = [x, y];
          res._.fillsize = [w, h];
          node.appendChild(fill);
          setCoords(res, 1, 1, 0, 0, 0);
          return res;
      };
      R._engine.text = function (vml, x, y, text) {
          var el = createNode("shape"),
              path = createNode("path"),
              o = createNode("textpath");
          x = x || 0;
          y = y || 0;
          text = text || "";
          path.v = R.format("m{0},{1}l{2},{1}", round(x * zoom), round(y * zoom), round(x * zoom) + 1);
          path.textpathok = true;
          o.string = Str(text);
          o.on = true;
          el.style.cssText = cssDot;
          el.coordsize = zoom + S + zoom;
          el.coordorigin = "0 0";
          var p = new Element(el, vml),
              attr = {
                  fill: "#000",
                  stroke: "none",
                  font: R._availableAttrs.font,
                  text: text
              };
          p.shape = el;
          p.path = path;
          p.textpath = o;
          p.type = "text";
          p.attrs.text = Str(text);
          p.attrs.x = x;
          p.attrs.y = y;
          p.attrs.w = 1;
          p.attrs.h = 1;
          setFillAndStroke(p, attr);
          el.appendChild(o);
          el.appendChild(path);
          vml.canvas.appendChild(el);
          var skew = createNode("skew");
          skew.on = true;
          el.appendChild(skew);
          p.skew = skew;
          p.transform(E);
          return p;
      };
      R._engine.setSize = function (width, height) {
          var cs = this.canvas.style;
          this.width = width;
          this.height = height;
          width == +width && (width += "px");
          height == +height && (height += "px");
          cs.width = width;
          cs.height = height;
          cs.clip = "rect(0 " + width + " " + height + " 0)";
          if (this._viewBox) {
              R._engine.setViewBox.apply(this, this._viewBox);
          }
          return this;
      };
      R._engine.setViewBox = function (x, y, w, h, fit) {
          R.eve("raphael.setViewBox", this, this._viewBox, [x, y, w, h, fit]);
          var width = this.width,
              height = this.height,
              size = 1 / mmax(w / width, h / height),
              H, W;
          if (fit) {
              H = height / h;
              W = width / w;
              if (w * H < width) {
                  x -= (width - w * H) / 2 / H;
              }
              if (h * W < height) {
                  y -= (height - h * W) / 2 / W;
              }
          }
          this._viewBox = [x, y, w, h, !!fit];
          this._viewBoxShift = {
              dx: -x,
              dy: -y,
              scale: size
          };
          this.forEach(function (el) {
              el.transform("...");
          });
          return this;
      };
      var createNode;
      R._engine.initWin = function (win) {
              var doc = win.document;
              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">');
                  };
              }
          };
      R._engine.initWin(R._g.win);
      R._engine.create = function () {
          var con = R._getContainer.apply(0, 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 R._Paper,
              c = res.canvas = R._g.doc.createElement("div"),
              cs = c.style;
          x = x || 0;
          y = y || 0;
          width = width || 512;
          height = height || 342;
          res.width = width;
          res.height = height;
          width == +width && (width += "px");
          height == +height && (height += "px");
          res.coordsize = zoom * 1e3 + S + zoom * 1e3;
          res.coordorigin = "0 0";
          res.span = R._g.doc.createElement("span");
          res.span.style.cssText = "position:absolute;left:-9999em;top:-9999em;padding:0;margin:0;line-height:1;";
          c.appendChild(res.span);
          cs.cssText = R.format("top:0;left:0;width:{0};height:{1};display:inline-block;position:relative;clip:rect(0 {0} {1} 0);overflow:hidden", width, height);
          if (container == 1) {
              R._g.doc.body.appendChild(c);
              cs.left = x + "px";
              cs.top = y + "px";
              cs.position = "absolute";
          } else {
              if (container.firstChild) {
                  container.insertBefore(c, container.firstChild);
              } else {
                  container.appendChild(c);
              }
          }
          res.renderfix = function () {};
          return res;
      };
      R.prototype.clear = function () {
          R.eve("raphael.clear", this);
          this.canvas.innerHTML = E;
          this.span = R._g.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;
      };
      R.prototype.remove = function () {
          R.eve("raphael.remove", this);
          this.canvas.parentNode.removeChild(this.canvas);
          for (var i in this) {
              this[i] = typeof this[i] == "function" ? R._removedFactory(i) : null;
          }
          return true;
      };
  
      var setproto = R.st;
      for (var method in elproto) if (elproto[has](method) && !setproto[has](method)) {
          setproto[method] = (function (methodname) {
              return function () {
                  var arg = arguments;
                  return this.forEach(function (el) {
                      el[methodname].apply(el, arg);
                  });
              };
          })(method);
      }
  }(window.Raphael);
  