fixed gulp clean task not returning a Promise

2 files changed, 5322 insertions, 0 deletions

diff --git a/dist/svg.js b/dist/svg.js
new file mode 100644
index 0000000..71d39a6
--- /dev/null
+++ b/dist/svg.js
@@ -0,0 +1,5320 @@
+/*!
+* svg.js - A lightweight library for manipulating and animating SVG.
+* @version 2.3.4
+* http://www.svgjs.com
+*
+* @copyright Wout Fierens <wout@woutfierens.com>
+* @license MIT
+*
+* BUILT: Tue Oct 04 2016 13:44:15 GMT+0200 (CEST)
+*/
+(function(root, factory) {
+  if (typeof define === 'function' && define.amd) {
+    define(function(){
+      return factory(root, root.document)
+    })
+  } else if (typeof exports === 'object') {
+    module.exports = root.document ? factory(root, root.document) : function(w){ return factory(w, w.document) }
+  } else {
+    root.SVG = factory(root, root.document)
+  }
+}(typeof window !== "undefined" ? window : this, function(window, document) {
+
+// The main wrapping element
+var SVG = this.SVG = function(element) {
+  if (SVG.supported) {
+    element = new SVG.Doc(element)
+
+    if(!SVG.parser.draw)
+      SVG.prepare()
+
+    return element
+  }
+}
+
+// Default namespaces
+SVG.ns    = 'http://www.w3.org/2000/svg'
+SVG.xmlns = 'http://www.w3.org/2000/xmlns/'
+SVG.xlink = 'http://www.w3.org/1999/xlink'
+SVG.svgjs = 'http://svgjs.com/svgjs'
+
+// Svg support test
+SVG.supported = (function() {
+  return !! document.createElementNS &&
+         !! document.createElementNS(SVG.ns,'svg').createSVGRect
+})()
+
+// Don't bother to continue if SVG is not supported
+if (!SVG.supported) return false
+
+// Element id sequence
+SVG.did  = 1000
+
+// Get next named element id
+SVG.eid = function(name) {
+  return 'Svgjs' + capitalize(name) + (SVG.did++)
+}
+
+// Method for element creation
+SVG.create = function(name) {
+  // create element
+  var element = document.createElementNS(this.ns, name)
+
+  // apply unique id
+  element.setAttribute('id', this.eid(name))
+
+  return element
+}
+
+// Method for extending objects
+SVG.extend = function() {
+  var modules, methods, key, i
+
+  // Get list of modules
+  modules = [].slice.call(arguments)
+
+  // Get object with extensions
+  methods = modules.pop()
+
+  for (i = modules.length - 1; i >= 0; i--)
+    if (modules[i])
+      for (key in methods)
+        modules[i].prototype[key] = methods[key]
+
+  // Make sure SVG.Set inherits any newly added methods
+  if (SVG.Set && SVG.Set.inherit)
+    SVG.Set.inherit()
+}
+
+// Invent new element
+SVG.invent = function(config) {
+  // Create element initializer
+  var initializer = typeof config.create == 'function' ?
+    config.create :
+    function() {
+      this.constructor.call(this, SVG.create(config.create))
+    }
+
+  // Inherit prototype
+  if (config.inherit)
+    initializer.prototype = new config.inherit
+
+  // Extend with methods
+  if (config.extend)
+    SVG.extend(initializer, config.extend)
+
+  // Attach construct method to parent
+  if (config.construct)
+    SVG.extend(config.parent || SVG.Container, config.construct)
+
+  return initializer
+}
+
+// Adopt existing svg elements
+SVG.adopt = function(node) {
+  // check for presence of node
+  if (!node) return null
+
+  // make sure a node isn't already adopted
+  if (node.instance) return node.instance
+
+  // initialize variables
+  var element
+
+  // adopt with element-specific settings
+  if (node.nodeName == 'svg')
+    element = node.parentNode instanceof SVGElement ? new SVG.Nested : new SVG.Doc
+  else if (node.nodeName == 'linearGradient')
+    element = new SVG.Gradient('linear')
+  else if (node.nodeName == 'radialGradient')
+    element = new SVG.Gradient('radial')
+  else if (SVG[capitalize(node.nodeName)])
+    element = new SVG[capitalize(node.nodeName)]
+  else
+    element = new SVG.Element(node)
+
+  // ensure references
+  element.type  = node.nodeName
+  element.node  = node
+  node.instance = element
+
+  // SVG.Class specific preparations
+  if (element instanceof SVG.Doc)
+    element.namespace().defs()
+
+  // pull svgjs data from the dom (getAttributeNS doesn't work in html5)
+  element.setData(JSON.parse(node.getAttribute('svgjs:data')) || {})
+
+  return element
+}
+
+// Initialize parsing element
+SVG.prepare = function() {
+  // Select document body and create invisible svg element
+  var body = document.getElementsByTagName('body')[0]
+    , draw = (body ? new SVG.Doc(body) :  new SVG.Doc(document.documentElement).nested()).size(2, 0)
+
+  // Create parser object
+  SVG.parser = {
+    body: body || document.documentElement
+  , draw: draw.style('opacity:0;position:fixed;left:100%;top:100%;overflow:hidden')
+  , poly: draw.polyline().node
+  , path: draw.path().node
+  , native: SVG.create('svg')
+  }
+}
+
+SVG.parser = {
+  native: SVG.create('svg')
+}
+
+document.addEventListener('DOMContentLoaded', function() {
+  if(!SVG.parser.draw)
+    SVG.prepare()
+}, false)
+
+// Storage for regular expressions
+SVG.regex = {
+  // Parse unit value
+  numberAndUnit:    /^([+-]?(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?)([a-z%]*)$/i
+
+  // Parse hex value
+, hex:              /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i
+
+  // Parse rgb value
+, rgb:              /rgb\((\d+),(\d+),(\d+)\)/
+
+  // Parse reference id
+, reference:        /#([a-z0-9\-_]+)/i
+
+  // Parse matrix wrapper
+, matrix:           /matrix\(|\)/g
+
+  // Elements of a matrix
+, matrixElements:   /,*\s+|,/
+
+  // Whitespace
+, whitespace:       /\s/g
+
+  // Test hex value
+, isHex:            /^#[a-f0-9]{3,6}$/i
+
+  // Test rgb value
+, isRgb:            /^rgb\(/
+
+  // Test css declaration
+, isCss:            /[^:]+:[^;]+;?/
+
+  // Test for blank string
+, isBlank:          /^(\s+)?$/
+
+  // Test for numeric string
+, isNumber:         /^[+-]?(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?$/i
+
+  // Test for percent value
+, isPercent:        /^-?[\d\.]+%$/
+
+  // Test for image url
+, isImage:          /\.(jpg|jpeg|png|gif|svg)(\?[^=]+.*)?/i
+
+  // The following regex are used to parse the d attribute of a path
+
+  // Replaces all negative exponents
+, negExp:           /e\-/gi
+
+  // Replaces all comma
+, comma:            /,/g
+
+  // Replaces all hyphens
+, hyphen:           /\-/g
+
+  // Replaces and tests for all path letters
+, pathLetters:      /[MLHVCSQTAZ]/gi
+
+  // yes we need this one, too
+, isPathLetter:     /[MLHVCSQTAZ]/i
+
+  // split at whitespaces
+, whitespaces:      /\s+/
+
+  // matches X
+, X:                /X/g
+}
+
+SVG.utils = {
+  // Map function
+  map: function(array, block) {
+    var i
+      , il = array.length
+      , result = []
+
+    for (i = 0; i < il; i++)
+      result.push(block(array[i]))
+
+    return result
+  }
+
+  // Filter function
+, filter: function(array, block) {
+    var i
+      , il = array.length
+      , result = []
+
+    for (i = 0; i < il; i++)
+      if (block(array[i]))
+        result.push(array[i])
+
+    return result
+  }
+
+  // Degrees to radians
+, radians: function(d) {
+    return d % 360 * Math.PI / 180
+  }
+
+  // Radians to degrees
+, degrees: function(r) {
+    return r * 180 / Math.PI % 360
+  }
+
+, filterSVGElements: function(nodes) {
+    return this.filter( nodes, function(el) { return el instanceof SVGElement })
+  }
+
+}
+
+SVG.defaults = {
+  // Default attribute values
+  attrs: {
+    // fill and stroke
+    'fill-opacity':     1
+  , 'stroke-opacity':   1
+  , 'stroke-width':     0
+  , 'stroke-linejoin':  'miter'
+  , 'stroke-linecap':   'butt'
+  , fill:               '#000000'
+  , stroke:             '#000000'
+  , opacity:            1
+    // position
+  , x:                  0
+  , y:                  0
+  , cx:                 0
+  , cy:                 0
+    // size
+  , width:              0
+  , height:             0
+    // radius
+  , r:                  0
+  , rx:                 0
+  , ry:                 0
+    // gradient
+  , offset:             0
+  , 'stop-opacity':     1
+  , 'stop-color':       '#000000'
+    // text
+  , 'font-size':        16
+  , 'font-family':      'Helvetica, Arial, sans-serif'
+  , 'text-anchor':      'start'
+  }
+
+}
+// Module for color convertions
+SVG.Color = function(color) {
+  var match
+
+  // initialize defaults
+  this.r = 0
+  this.g = 0
+  this.b = 0
+
+  if(!color) return
+
+  // parse color
+  if (typeof color === 'string') {
+    if (SVG.regex.isRgb.test(color)) {
+      // get rgb values
+      match = SVG.regex.rgb.exec(color.replace(/\s/g,''))
+
+      // parse numeric values
+      this.r = parseInt(match[1])
+      this.g = parseInt(match[2])
+      this.b = parseInt(match[3])
+
+    } else if (SVG.regex.isHex.test(color)) {
+      // get hex values
+      match = SVG.regex.hex.exec(fullHex(color))
+
+      // parse numeric values
+      this.r = parseInt(match[1], 16)
+      this.g = parseInt(match[2], 16)
+      this.b = parseInt(match[3], 16)
+
+    }
+
+  } else if (typeof color === 'object') {
+    this.r = color.r
+    this.g = color.g
+    this.b = color.b
+
+  }
+
+}
+
+SVG.extend(SVG.Color, {
+  // Default to hex conversion
+  toString: function() {
+    return this.toHex()
+  }
+  // Build hex value
+, toHex: function() {
+    return '#'
+      + compToHex(this.r)
+      + compToHex(this.g)
+      + compToHex(this.b)
+  }
+  // Build rgb value
+, toRgb: function() {
+    return 'rgb(' + [this.r, this.g, this.b].join() + ')'
+  }
+  // Calculate true brightness
+, brightness: function() {
+    return (this.r / 255 * 0.30)
+         + (this.g / 255 * 0.59)
+         + (this.b / 255 * 0.11)
+  }
+  // Make color morphable
+, morph: function(color) {
+    this.destination = new SVG.Color(color)
+
+    return this
+  }
+  // Get morphed color at given position
+, at: function(pos) {
+    // make sure a destination is defined
+    if (!this.destination) return this
+
+    // normalise pos
+    pos = pos < 0 ? 0 : pos > 1 ? 1 : pos
+
+    // generate morphed color
+    return new SVG.Color({
+      r: ~~(this.r + (this.destination.r - this.r) * pos)
+    , g: ~~(this.g + (this.destination.g - this.g) * pos)
+    , b: ~~(this.b + (this.destination.b - this.b) * pos)
+    })
+  }
+
+})
+
+// Testers
+
+// Test if given value is a color string
+SVG.Color.test = function(color) {
+  color += ''
+  return SVG.regex.isHex.test(color)
+      || SVG.regex.isRgb.test(color)
+}
+
+// Test if given value is a rgb object
+SVG.Color.isRgb = function(color) {
+  return color && typeof color.r == 'number'
+               && typeof color.g == 'number'
+               && typeof color.b == 'number'
+}
+
+// Test if given value is a color
+SVG.Color.isColor = function(color) {
+  return SVG.Color.isRgb(color) || SVG.Color.test(color)
+}
+// Module for array conversion
+SVG.Array = function(array, fallback) {
+  array = (array || []).valueOf()
+
+  // if array is empty and fallback is provided, use fallback
+  if (array.length == 0 && fallback)
+    array = fallback.valueOf()
+
+  // parse array
+  this.value = this.parse(array)
+}
+
+SVG.extend(SVG.Array, {
+  // Make array morphable
+  morph: function(array) {
+    this.destination = this.parse(array)
+
+    // normalize length of arrays
+    if (this.value.length != this.destination.length) {
+      var lastValue       = this.value[this.value.length - 1]
+        , lastDestination = this.destination[this.destination.length - 1]
+
+      while(this.value.length > this.destination.length)
+        this.destination.push(lastDestination)
+      while(this.value.length < this.destination.length)
+        this.value.push(lastValue)
+    }
+
+    return this
+  }
+  // Clean up any duplicate points
+, settle: function() {
+    // find all unique values
+    for (var i = 0, il = this.value.length, seen = []; i < il; i++)
+      if (seen.indexOf(this.value[i]) == -1)
+        seen.push(this.value[i])
+
+    // set new value
+    return this.value = seen
+  }
+  // Get morphed array at given position
+, at: function(pos) {
+    // make sure a destination is defined
+    if (!this.destination) return this
+
+    // generate morphed array
+    for (var i = 0, il = this.value.length, array = []; i < il; i++)
+      array.push(this.value[i] + (this.destination[i] - this.value[i]) * pos)
+
+    return new SVG.Array(array)
+  }
+  // Convert array to string
+, toString: function() {
+    return this.value.join(' ')
+  }
+  // Real value
+, valueOf: function() {
+    return this.value
+  }
+  // Parse whitespace separated string
+, parse: function(array) {
+    array = array.valueOf()
+
+    // if already is an array, no need to parse it
+    if (Array.isArray(array)) return array
+
+    return this.split(array)
+  }
+  // Strip unnecessary whitespace
+, split: function(string) {
+    return string.trim().split(/\s+/)
+  }
+  // Reverse array
+, reverse: function() {
+    this.value.reverse()
+
+    return this
+  }
+
+})
+// Poly points array
+SVG.PointArray = function(array, fallback) {
+  this.constructor.call(this, array, fallback || [[0,0]])
+}
+
+// Inherit from SVG.Array
+SVG.PointArray.prototype = new SVG.Array
+
+SVG.extend(SVG.PointArray, {
+  // Convert array to string
+  toString: function() {
+    // convert to a poly point string
+    for (var i = 0, il = this.value.length, array = []; i < il; i++)
+      array.push(this.value[i].join(','))
+
+    return array.join(' ')
+  }
+  // Convert array to line object
+, toLine: function() {
+    return {
+      x1: this.value[0][0]
+    , y1: this.value[0][1]
+    , x2: this.value[1][0]
+    , y2: this.value[1][1]
+    }
+  }
+  // Get morphed array at given position
+, at: function(pos) {
+    // make sure a destination is defined
+    if (!this.destination) return this
+
+    // generate morphed point string
+    for (var i = 0, il = this.value.length, array = []; i < il; i++)
+      array.push([
+        this.value[i][0] + (this.destination[i][0] - this.value[i][0]) * pos
+      , this.value[i][1] + (this.destination[i][1] - this.value[i][1]) * pos
+      ])
+
+    return new SVG.PointArray(array)
+  }
+  // Parse point string
+, parse: function(array) {
+    array = array.valueOf()
+
+    // if already is an array, no need to parse it
+    if (Array.isArray(array)) return array
+
+    // split points
+    array = this.split(array)
+
+    // parse points
+    for (var i = 0, il = array.length, p, points = []; i < il; i++) {
+      p = array[i].split(',')
+      points.push([parseFloat(p[0]), parseFloat(p[1])])
+    }
+
+    return points
+  }
+  // Move point string
+, move: function(x, y) {
+    var box = this.bbox()
+
+    // get relative offset
+    x -= box.x
+    y -= box.y
+
+    // move every point
+    if (!isNaN(x) && !isNaN(y))
+      for (var i = this.value.length - 1; i >= 0; i--)
+        this.value[i] = [this.value[i][0] + x, this.value[i][1] + y]
+
+    return this
+  }
+  // Resize poly string
+, size: function(width, height) {
+    var i, box = this.bbox()
+
+    // recalculate position of all points according to new size
+    for (i = this.value.length - 1; i >= 0; i--) {
+      this.value[i][0] = ((this.value[i][0] - box.x) * width)  / box.width  + box.x
+      this.value[i][1] = ((this.value[i][1] - box.y) * height) / box.height + box.y
+    }
+
+    return this
+  }
+  // Get bounding box of points
+, bbox: function() {
+    SVG.parser.poly.setAttribute('points', this.toString())
+
+    return SVG.parser.poly.getBBox()
+  }
+
+})
+// Path points array
+SVG.PathArray = function(array, fallback) {
+  this.constructor.call(this, array, fallback || [['M', 0, 0]])
+}
+
+// Inherit from SVG.Array
+SVG.PathArray.prototype = new SVG.Array
+
+SVG.extend(SVG.PathArray, {
+  // Convert array to string
+  toString: function() {
+    return arrayToString(this.value)
+  }
+  // Move path string
+, move: function(x, y) {
+    // get bounding box of current situation
+    var box = this.bbox()
+
+    // get relative offset
+    x -= box.x
+    y -= box.y
+
+    if (!isNaN(x) && !isNaN(y)) {
+      // move every point
+      for (var l, i = this.value.length - 1; i >= 0; i--) {
+        l = this.value[i][0]
+
+        if (l == 'M' || l == 'L' || l == 'T')  {
+          this.value[i][1] += x
+          this.value[i][2] += y
+
+        } else if (l == 'H')  {
+          this.value[i][1] += x
+
+        } else if (l == 'V')  {
+          this.value[i][1] += y
+
+        } else if (l == 'C' || l == 'S' || l == 'Q')  {
+          this.value[i][1] += x
+          this.value[i][2] += y
+          this.value[i][3] += x
+          this.value[i][4] += y
+
+          if (l == 'C')  {
+            this.value[i][5] += x
+            this.value[i][6] += y
+          }
+
+        } else if (l == 'A')  {
+          this.value[i][6] += x
+          this.value[i][7] += y
+        }
+
+      }
+    }
+
+    return this
+  }
+  // Resize path string
+, size: function(width, height) {
+    // get bounding box of current situation
+    var i, l, box = this.bbox()
+
+    // recalculate position of all points according to new size
+    for (i = this.value.length - 1; i >= 0; i--) {
+      l = this.value[i][0]
+
+      if (l == 'M' || l == 'L' || l == 'T')  {
+        this.value[i][1] = ((this.value[i][1] - box.x) * width)  / box.width  + box.x
+        this.value[i][2] = ((this.value[i][2] - box.y) * height) / box.height + box.y
+
+      } else if (l == 'H')  {
+        this.value[i][1] = ((this.value[i][1] - box.x) * width)  / box.width  + box.x
+
+      } else if (l == 'V')  {
+        this.value[i][1] = ((this.value[i][1] - box.y) * height) / box.height + box.y
+
+      } else if (l == 'C' || l == 'S' || l == 'Q')  {
+        this.value[i][1] = ((this.value[i][1] - box.x) * width)  / box.width  + box.x
+        this.value[i][2] = ((this.value[i][2] - box.y) * height) / box.height + box.y
+        this.value[i][3] = ((this.value[i][3] - box.x) * width)  / box.width  + box.x
+        this.value[i][4] = ((this.value[i][4] - box.y) * height) / box.height + box.y
+
+        if (l == 'C')  {
+          this.value[i][5] = ((this.value[i][5] - box.x) * width)  / box.width  + box.x
+          this.value[i][6] = ((this.value[i][6] - box.y) * height) / box.height + box.y
+        }
+
+      } else if (l == 'A')  {
+        // resize radii
+        this.value[i][1] = (this.value[i][1] * width)  / box.width
+        this.value[i][2] = (this.value[i][2] * height) / box.height
+
+        // move position values
+        this.value[i][6] = ((this.value[i][6] - box.x) * width)  / box.width  + box.x
+        this.value[i][7] = ((this.value[i][7] - box.y) * height) / box.height + box.y
+      }
+
+    }
+
+    return this
+  }
+  // Absolutize and parse path to array
+, parse: function(array) {
+    // if it's already a patharray, no need to parse it
+    if (array instanceof SVG.PathArray) return array.valueOf()
+
+    // prepare for parsing
+    var i, x0, y0, s, seg, arr
+      , x = 0
+      , y = 0
+      , paramCnt = { 'M':2, 'L':2, 'H':1, 'V':1, 'C':6, 'S':4, 'Q':4, 'T':2, 'A':7 }
+
+    if(typeof array == 'string'){
+
+      array = array
+        .replace(SVG.regex.negExp, 'X')         // replace all negative exponents with certain char
+        .replace(SVG.regex.pathLetters, ' $& ') // put some room between letters and numbers
+        .replace(SVG.regex.hyphen, ' -')        // add space before hyphen
+        .replace(SVG.regex.comma, ' ')          // unify all spaces
+        .replace(SVG.regex.X, 'e-')             // add back the expoent
+        .trim()                                 // trim
+        .split(SVG.regex.whitespaces)           // split into array
+
+      // at this place there could be parts like ['3.124.854.32'] because we could not determine the point as seperator till now
+      // we fix this elements in the next loop
+      for(i = array.length; --i;){
+        if(array[i].indexOf('.') != array[i].lastIndexOf('.')){
+          var split = array[i].split('.') // split at the point
+          var first = [split.shift(), split.shift()].join('.') // join the first number together
+          array.splice.apply(array, [i, 1].concat(first, split.map(function(el){ return '.'+el }))) // add first and all other entries back to array
+        }
+      }
+
+    }else{
+      array = array.reduce(function(prev, curr){
+        return [].concat.apply(prev, curr)
+      }, [])
+    }
+
+    // array now is an array containing all parts of a path e.g. ['M', '0', '0', 'L', '30', '30' ...]
+
+    var arr = []
+
+    do{
+
+      // Test if we have a path letter
+      if(SVG.regex.isPathLetter.test(array[0])){
+        s = array[0]
+        array.shift()
+      // If last letter was a move command and we got no new, it defaults to [L]ine
+      }else if(s == 'M'){
+        s = 'L'
+      }else if(s == 'm'){
+        s = 'l'
+      }
+
+      // add path letter as first element
+      seg = [s.toUpperCase()]
+
+      // push all necessary parameters to segment
+      for(i = 0; i < paramCnt[seg[0]]; ++i){
+        seg.push(parseFloat(array.shift()))
+      }
+
+      // upper case
+      if(s == seg[0]){
+
+        if(s == 'M' || s == 'L' || s == 'C' || s == 'Q' || s == 'S' || s == 'T'){
+          x = seg[paramCnt[seg[0]]-1]
+          y = seg[paramCnt[seg[0]]]
+        }else if(s == 'V'){
+          y = seg[1]
+        }else if(s == 'H'){
+          x = seg[1]
+        }else if(s == 'A'){
+          x = seg[6]
+          y = seg[7]
+        }
+
+      // lower case
+      }else{
+
+        // convert relative to absolute values
+        if(s == 'm' || s == 'l' || s == 'c' || s == 's' || s == 'q' || s == 't'){
+
+          seg[1] += x
+          seg[2] += y
+
+          if(seg[3] != null){
+            seg[3] += x
+            seg[4] += y
+          }
+
+          if(seg[5] != null){
+            seg[5] += x
+            seg[6] += y
+          }
+
+          // move pointer
+          x = seg[paramCnt[seg[0]]-1]
+          y = seg[paramCnt[seg[0]]]
+
+        }else if(s == 'v'){
+          seg[1] += y
+          y = seg[1]
+        }else if(s == 'h'){
+          seg[1] += x
+          x = seg[1]
+        }else if(s == 'a'){
+          seg[6] += x
+          seg[7] += y
+          x = seg[6]
+          y = seg[7]
+        }
+
+      }
+
+      if(seg[0] == 'M'){
+        x0 = x
+        y0 = y
+      }
+
+      if(seg[0] == 'Z'){
+        x = x0
+        y = y0
+      }
+
+      arr.push(seg)
+
+    }while(array.length)
+
+    return arr
+
+  }
+  // Get bounding box of path
+, bbox: function() {
+    SVG.parser.path.setAttribute('d', this.toString())
+
+    return SVG.parser.path.getBBox()
+  }
+
+})
+// Module for unit convertions
+SVG.Number = SVG.invent({
+  // Initialize
+  create: function(value, unit) {
+    // initialize defaults
+    this.value = 0
+    this.unit  = unit || ''
+
+    // parse value
+    if (typeof value === 'number') {
+      // ensure a valid numeric value
+      this.value = isNaN(value) ? 0 : !isFinite(value) ? (value < 0 ? -3.4e+38 : +3.4e+38) : value
+
+    } else if (typeof value === 'string') {
+      unit = value.match(SVG.regex.numberAndUnit)
+
+      if (unit) {
+        // make value numeric
+        this.value = parseFloat(unit[1])
+
+        // normalize
+        if (unit[5] == '%')
+          this.value /= 100
+        else if (unit[5] == 's')
+          this.value *= 1000
+
+        // store unit
+        this.unit = unit[5]
+      }
+
+    } else {
+      if (value instanceof SVG.Number) {
+        this.value = value.valueOf()
+        this.unit  = value.unit
+      }
+    }
+
+  }
+  // Add methods
+, extend: {
+    // Stringalize
+    toString: function() {
+      return (
+        this.unit == '%' ?
+          ~~(this.value * 1e8) / 1e6:
+        this.unit == 's' ?
+          this.value / 1e3 :
+          this.value
+      ) + this.unit
+    }
+  , toJSON: function() {
+      return this.toString()
+    }
+  , // Convert to primitive
+    valueOf: function() {
+      return this.value
+    }
+    // Add number
+  , plus: function(number) {
+      return new SVG.Number(this + new SVG.Number(number), this.unit)
+    }
+    // Subtract number
+  , minus: function(number) {
+      return this.plus(-new SVG.Number(number))
+    }
+    // Multiply number
+  , times: function(number) {
+      return new SVG.Number(this * new SVG.Number(number), this.unit)
+    }
+    // Divide number
+  , divide: function(number) {
+      return new SVG.Number(this / new SVG.Number(number), this.unit)
+    }
+    // Convert to different unit
+  , to: function(unit) {
+      var number = new SVG.Number(this)
+
+      if (typeof unit === 'string')
+        number.unit = unit
+
+      return number
+    }
+    // Make number morphable
+  , morph: function(number) {
+      this.destination = new SVG.Number(number)
+
+      return this
+    }
+    // Get morphed number at given position
+  , at: function(pos) {
+      // Make sure a destination is defined
+      if (!this.destination) return this
+
+      // Generate new morphed number
+      return new SVG.Number(this.destination)
+          .minus(this)
+          .times(pos)
+          .plus(this)
+    }
+
+  }
+})
+
+SVG.Element = SVG.invent({
+  // Initialize node
+  create: function(node) {
+    // make stroke value accessible dynamically
+    this._stroke = SVG.defaults.attrs.stroke
+
+    // initialize data object
+    this.dom = {}
+
+    // create circular reference
+    if (this.node = node) {
+      this.type = node.nodeName
+      this.node.instance = this
+
+      // store current attribute value
+      this._stroke = node.getAttribute('stroke') || this._stroke
+    }
+  }
+
+  // Add class methods
+, extend: {
+    // Move over x-axis
+    x: function(x) {
+      return this.attr('x', x)
+    }
+    // Move over y-axis
+  , y: function(y) {
+      return this.attr('y', y)
+    }
+    // Move by center over x-axis
+  , cx: function(x) {
+      return x == null ? this.x() + this.width() / 2 : this.x(x - this.width() / 2)
+    }
+    // Move by center over y-axis
+  , cy: function(y) {
+      return y == null ? this.y() + this.height() / 2 : this.y(y - this.height() / 2)
+    }
+    // Move element to given x and y values
+  , move: function(x, y) {
+      return this.x(x).y(y)
+    }
+    // Move element by its center
+  , center: function(x, y) {
+      return this.cx(x).cy(y)
+    }
+    // Set width of element
+  , width: function(width) {
+      return this.attr('width', width)
+    }
+    // Set height of element
+  , height: function(height) {
+      return this.attr('height', height)
+    }
+    // Set element size to given width and height
+  , size: function(width, height) {
+      var p = proportionalSize(this, width, height)
+
+      return this
+        .width(new SVG.Number(p.width))
+        .height(new SVG.Number(p.height))
+    }
+    // Clone element
+  , clone: function(parent) {
+      // clone element and assign new id
+      var clone = assignNewId(this.node.cloneNode(true))
+
+      // insert the clone in the given parent or after myself
+      if(parent) parent.add(clone)
+      else this.after(clone)
+
+      return clone
+    }
+    // Remove element
+  , remove: function() {
+      if (this.parent())
+        this.parent().removeElement(this)
+
+      return this
+    }
+    // Replace element
+  , replace: function(element) {
+      this.after(element).remove()
+
+      return element
+    }
+    // Add element to given container and return self
+  , addTo: function(parent) {
+      return parent.put(this)
+    }
+    // Add element to given container and return container
+  , putIn: function(parent) {
+      return parent.add(this)
+    }
+    // Get / set id
+  , id: function(id) {
+      return this.attr('id', id)
+    }
+    // Checks whether the given point inside the bounding box of the element
+  , inside: function(x, y) {
+      var box = this.bbox()
+
+      return x > box.x
+          && y > box.y
+          && x < box.x + box.width
+          && y < box.y + box.height
+    }
+    // Show element
+  , show: function() {
+      return this.style('display', '')
+    }
+    // Hide element
+  , hide: function() {
+      return this.style('display', 'none')
+    }
+    // Is element visible?
+  , visible: function() {
+      return this.style('display') != 'none'
+    }
+    // Return id on string conversion
+  , toString: function() {
+      return this.attr('id')
+    }
+    // Return array of classes on the node
+  , classes: function() {
+      var attr = this.attr('class')
+
+      return attr == null ? [] : attr.trim().split(/\s+/)
+    }
+    // Return true if class exists on the node, false otherwise
+  , hasClass: function(name) {
+      return this.classes().indexOf(name) != -1
+    }
+    // Add class to the node
+  , addClass: function(name) {
+      if (!this.hasClass(name)) {
+        var array = this.classes()
+        array.push(name)
+        this.attr('class', array.join(' '))
+      }
+
+      return this
+    }
+    // Remove class from the node
+  , removeClass: function(name) {
+      if (this.hasClass(name)) {
+        this.attr('class', this.classes().filter(function(c) {
+          return c != name
+        }).join(' '))
+      }
+
+      return this
+    }
+    // Toggle the presence of a class on the node
+  , toggleClass: function(name) {
+      return this.hasClass(name) ? this.removeClass(name) : this.addClass(name)
+    }
+    // Get referenced element form attribute value
+  , reference: function(attr) {
+      return SVG.get(this.attr(attr))
+    }
+    // Returns the parent element instance
+  , parent: function(type) {
+      var parent = this
+
+      // check for parent
+      if(!parent.node.parentNode) return null
+
+      // get parent element
+      parent = SVG.adopt(parent.node.parentNode)
+
+      if(!type) return parent
+
+      // loop trough ancestors if type is given
+      while(parent && parent.node instanceof SVGElement){
+        if(typeof type === 'string' ? parent.matches(type) : parent instanceof type) return parent
+        parent = SVG.adopt(parent.node.parentNode)
+      }
+    }
+    // Get parent document
+  , doc: function() {
+      return this instanceof SVG.Doc ? this : this.parent(SVG.Doc)
+    }
+    // return array of all ancestors of given type up to the root svg
+  , parents: function(type) {
+      var parents = [], parent = this
+
+      do{
+        parent = parent.parent(type)
+        if(!parent || !parent.node) break
+
+        parents.push(parent)
+      } while(parent.parent)
+
+      return parents
+    }
+    // matches the element vs a css selector
+  , matches: function(selector){
+      return matches(this.node, selector)
+    }
+    // Returns the svg node to call native svg methods on it
+  , native: function() {
+      return this.node
+    }
+    // Import raw svg
+  , svg: function(svg) {
+      // create temporary holder
+      var well = document.createElement('svg')
+
+      // act as a setter if svg is given
+      if (svg && this instanceof SVG.Parent) {
+        // dump raw svg
+        well.innerHTML = '<svg>' + svg.replace(/\n/, '').replace(/<(\w+)([^<]+?)\/>/g, '<$1$2></$1>') + '</svg>'
+
+        // transplant nodes
+        for (var i = 0, il = well.firstChild.childNodes.length; i < il; i++)
+          this.node.appendChild(well.firstChild.firstChild)
+
+      // otherwise act as a getter
+      } else {
+        // create a wrapping svg element in case of partial content
+        well.appendChild(svg = document.createElement('svg'))
+
+        // write svgjs data to the dom
+        this.writeDataToDom()
+
+        // insert a copy of this node
+        svg.appendChild(this.node.cloneNode(true))
+
+        // return target element
+        return well.innerHTML.replace(/^<svg>/, '').replace(/<\/svg>$/, '')
+      }
+
+      return this
+    }
+  // write svgjs data to the dom
+  , writeDataToDom: function() {
+
+      // dump variables recursively
+      if(this.each || this.lines){
+        var fn = this.each ? this : this.lines();
+        fn.each(function(){
+          this.writeDataToDom()
+        })
+      }
+
+      // remove previously set data
+      this.node.removeAttribute('svgjs:data')
+
+      if(Object.keys(this.dom).length)
+        this.node.setAttribute('svgjs:data', JSON.stringify(this.dom)) // see #428
+
+      return this
+    }
+  // set given data to the elements data property
+  , setData: function(o){
+      this.dom = o
+      return this
+    }
+  , is: function(obj){
+      return is(this, obj)
+    }
+  }
+})
+
+SVG.easing = {
+  '-': function(pos){return pos}
+, '<>':function(pos){return -Math.cos(pos * Math.PI) / 2 + 0.5}
+, '>': function(pos){return  Math.sin(pos * Math.PI / 2)}
+, '<': function(pos){return -Math.cos(pos * Math.PI / 2) + 1}
+}
+
+SVG.morph = function(pos){
+  return function(from, to) {
+    return new SVG.MorphObj(from, to).at(pos)
+  }
+}
+
+SVG.Situation = SVG.invent({
+
+  create: function(o){
+    this.init = false
+    this.reversed = false
+    this.reversing = false
+
+    this.duration = new SVG.Number(o.duration).valueOf()
+    this.delay = new SVG.Number(o.delay).valueOf()
+
+    this.start = +new Date() + this.delay
+    this.finish = this.start + this.duration
+    this.ease = o.ease
+
+    this.loop = false
+    this.loops = false
+
+    this.animations = {
+      // functionToCall: [list of morphable objects]
+      // e.g. move: [SVG.Number, SVG.Number]
+    }
+
+    this.attrs = {
+      // holds all attributes which are not represented from a function svg.js provides
+      // e.g. someAttr: SVG.Number
+    }
+
+    this.styles = {
+      // holds all styles which should be animated
+      // e.g. fill-color: SVG.Color
+    }
+
+    this.transforms = [
+      // holds all transformations as transformation objects
+      // e.g. [SVG.Rotate, SVG.Translate, SVG.Matrix]
+    ]
+
+    this.once = {
+      // functions to fire at a specific position
+      // e.g. "0.5": function foo(){}
+    }
+
+  }
+
+})
+
+SVG.Delay = function(delay){
+  this.delay = new SVG.Number(delay).valueOf()
+}
+
+SVG.FX = SVG.invent({
+
+  create: function(element) {
+    this._target = element
+    this.situations = []
+    this.active = false
+    this.situation = null
+    this.paused = false
+    this.lastPos = 0
+    this.pos = 0
+  }
+
+, extend: {
+
+    /**
+     * sets or returns the target of this animation
+     * @param o object || number In case of Object it holds all parameters. In case of number its the duration of the animation
+     * @param ease function || string Function which should be used for easing or easing keyword
+     * @param delay Number indicating the delay before the animation starts
+     * @return target || this
+     */
+    animate: function(o, ease, delay){
+
+      if(typeof o == 'object'){
+        ease = o.ease
+        delay = o.delay
+        o = o.duration
+      }
+
+      var situation = new SVG.Situation({
+        duration: o || 1000,
+        delay: delay || 0,
+        ease: SVG.easing[ease || '-'] || ease
+      })
+
+      this.queue(situation)
+
+      return this
+    }
+
+    /**
+     * sets a delay before the next element of the queue is called
+     * @param delay Duration of delay in milliseconds
+     * @return this.target()
+     */
+  , delay: function(delay){
+      var delay = new SVG.Delay(delay)
+
+      return this.queue(delay)
+    }
+
+    /**
+     * sets or returns the target of this animation
+     * @param null || target SVG.Elemenet which should be set as new target
+     * @return target || this
+     */
+  , target: function(target){
+      if(target && target instanceof SVG.Element){
+        this._target = target
+        return this
+      }
+
+      return this._target
+    }
+
+    // returns the position at a given time
+  , timeToPos: function(timestamp){
+      return (timestamp - this.situation.start) / (this.situation.duration)
+    }
+
+    // returns the timestamp from a given positon
+  , posToTime: function(pos){
+      return this.situation.duration * pos + this.situation.start
+    }
+
+    // starts the animationloop
+  , startAnimFrame: function(){
+      this.stopAnimFrame()
+      this.animationFrame = requestAnimationFrame(function(){ this.step() }.bind(this))
+    }
+
+    // cancels the animationframe
+  , stopAnimFrame: function(){
+      cancelAnimationFrame(this.animationFrame)
+    }
+
+    // kicks off the animation - only does something when the queue is curretly not active and at least one situation is set
+  , start: function(){
+      // dont start if already started
+      if(!this.active && this.situation){
+        this.situation.start = +new Date + this.situation.delay
+        this.situation.finish = this.situation.start + this.situation.duration
+
+        this.initAnimations()
+        this.active = true
+        this.startAnimFrame()
+      }
+
+      return this
+    }
+
+    /**
+     * adds a function / Situation to the animation queue
+     * @param fn function / situation to add
+     * @return this
+     */
+  , queue: function(fn){
+      if(typeof fn == 'function' || fn instanceof SVG.Situation || fn instanceof SVG.Delay)
+        this.situations.push(fn)
+
+      if(!this.situation) this.situation = this.situations.shift()
+
+      return this
+    }
+
+    /**
+     * pulls next element from the queue and execute it
+     * @return this
+     */
+  , dequeue: function(){
+      // stop current animation
+      this.situation && this.situation.stop && this.situation.stop()
+
+      // get next animation from queue
+      this.situation = this.situations.shift()
+
+      if(this.situation){
+
+        var fn = function(){
+          if(this.situation instanceof SVG.Situation)
+            this.initAnimations().at(0)
+          else if(this.situation instanceof SVG.Delay)
+            this.dequeue()
+          else
+            this.situation.call(this)
+        }.bind(this)
+
+        // start next animation
+        if(this.situation.delay){
+          setTimeout(function(){fn()}, this.situation.delay)
+        }else{
+          fn()
+        }
+
+      }
+
+      return this
+    }
+
+    // updates all animations to the current state of the element
+    // this is important when one property could be changed from another property
+  , initAnimations: function() {
+      var i
+      var s = this.situation
+
+      if(s.init) return this
+
+      for(i in s.animations){
+
+        if(i == 'viewbox'){
+          s.animations[i] = this.target().viewbox().morph(s.animations[i])
+        }else{
+
+          // TODO: this is not a clean clone of the array. We may have some unchecked references
+          s.animations[i].value = (i == 'plot' ? this.target().array().value : this.target()[i]())
+
+          // sometimes we get back an object and not the real value, fix this
+          if(s.animations[i].value.value){
+            s.animations[i].value = s.animations[i].value.value
+          }
+
+          if(s.animations[i].relative)
+            s.animations[i].destination.value = s.animations[i].destination.value + s.animations[i].value
+
+        }
+
+      }
+
+      for(i in s.attrs){
+        if(s.attrs[i] instanceof SVG.Color){
+          var color = new SVG.Color(this.target().attr(i))
+          s.attrs[i].r = color.r
+          s.attrs[i].g = color.g
+          s.attrs[i].b = color.b
+        }else{
+          s.attrs[i].value = this.target().attr(i)// + s.attrs[i].value
+        }
+      }
+
+      for(i in s.styles){
+        s.styles[i].value = this.target().style(i)
+      }
+
+      s.initialTransformation = this.target().matrixify()
+
+      s.init = true
+      return this
+    }
+  , clearQueue: function(){
+      this.situations = []
+      return this
+    }
+  , clearCurrent: function(){
+      this.situation = null
+      return this
+    }
+    /** stops the animation immediately
+     * @param jumpToEnd A Boolean indicating whether to complete the current animation immediately.
+     * @param clearQueue A Boolean indicating whether to remove queued animation as well.
+     * @return this
+     */
+  , stop: function(jumpToEnd, clearQueue){
+      if(!this.active) this.start()
+
+      if(clearQueue){
+        this.clearQueue()
+      }
+
+      this.active = false
+
+      if(jumpToEnd && this.situation){
+
+        this.situation.loop = false
+
+        if(this.situation.loops % 2 == 0 && this.situation.reversing){
+          this.situation.reversed = true
+        }
+
+        this.at(1)
+
+      }
+
+      this.stopAnimFrame()
+      clearTimeout(this.timeout)
+
+      return this.clearCurrent()
+    }
+
+    /** resets the element to the state where the current element has started
+     * @return this
+     */
+  , reset: function(){
+      if(this.situation){
+        var temp = this.situation
+        this.stop()
+        this.situation = temp
+        this.at(0)
+      }
+      return this
+    }
+
+    // Stop the currently-running animation, remove all queued animations, and complete all animations for the element.
+  , finish: function(){
+
+      this.stop(true, false)
+
+      while(this.dequeue().situation && this.stop(true, false));
+
+      this.clearQueue().clearCurrent()
+
+      return this
+    }
+
+    // set the internal animation pointer to the specified position and updates the visualisation
+  , at: function(pos){
+      this.pos = pos
+      this.situation.start = +new Date - pos * this.situation.duration
+      this.situation.finish = this.situation.start + this.situation.duration
+      return this.step(true)
+    }
+
+    // speeds up the animation by the given factor
+    // this changes the duration of the animation
+  , speed: function(speed){
+      this.situation.duration = this.situation.duration * this.pos + (1-this.pos) * this.situation.duration / speed
+      this.situation.finish = this.situation.start + this.situation.duration
+      return this.at(this.pos)
+    }
+    // Make loopable
+  , loop: function(times, reverse) {
+      // store current loop and total loops
+      this.situation.loop = this.situation.loops = times || true
+
+      if(reverse) this.last().reversing = true
+      return this
+    }
+
+    // pauses the animation
+  , pause: function(){
+      this.paused = true
+      this.stopAnimFrame()
+      clearTimeout(this.timeout)
+      return this
+    }
+
+    // unpause the animation
+  , play: function(){
+      if(!this.paused) return this
+      this.paused = false
+      return this.at(this.pos)
+    }
+
+    /**
+     * toggle or set the direction of the animation
+     * true sets direction to backwards while false sets it to forwards
+     * @param reversed Boolean indicating whether to reverse the animation or not (default: toggle the reverse status)
+     * @return this
+     */
+  , reverse: function(reversed){
+      var c = this.last()
+
+      if(typeof reversed == 'undefined') c.reversed = !c.reversed
+      else c.reversed = reversed
+
+      return this
+    }
+
+
+    /**
+     * returns a float from 0-1 indicating the progress of the current animation
+     * @param eased Boolean indicating whether the returned position should be eased or not
+     * @return number
+     */
+  , progress: function(easeIt){
+      return easeIt ? this.situation.ease(this.pos) : this.pos
+    }
+
+    /**
+     * adds a callback function which is called when the current animation is finished
+     * @param fn Function which should be executed as callback
+     * @return number
+     */
+  , after: function(fn){
+      var c = this.last()
+        , wrapper = function wrapper(e){
+            if(e.detail.situation == c){
+              fn.call(this, c)
+              this.off('finished.fx', wrapper) // prevent memory leak
+            }
+          }
+
+      this.target().on('finished.fx', wrapper)
+      return this
+    }
+
+    // adds a callback which is called whenever one animation step is performed
+  , during: function(fn){
+      var c = this.last()
+        , wrapper = function(e){
+            if(e.detail.situation == c){
+              fn.call(this, e.detail.pos, SVG.morph(e.detail.pos), e.detail.eased, c)
+            }
+          }
+
+      // see above
+      this.target().off('during.fx', wrapper).on('during.fx', wrapper)
+
+      return this.after(function(){
+        this.off('during.fx', wrapper)
+      })
+    }
+
+    // calls after ALL animations in the queue are finished
+  , afterAll: function(fn){
+      var wrapper = function wrapper(e){
+            fn.call(this)
+            this.off('allfinished.fx', wrapper)
+          }
+
+      // see above
+      this.target().off('allfinished.fx', wrapper).on('allfinished.fx', wrapper)
+      return this
+    }
+
+    // calls on every animation step for all animations
+  , duringAll: function(fn){
+      var wrapper = function(e){
+            fn.call(this, e.detail.pos, SVG.morph(e.detail.pos), e.detail.eased, e.detail.situation)
+          }
+
+      this.target().off('during.fx', wrapper).on('during.fx', wrapper)
+
+      return this.afterAll(function(){
+        this.off('during.fx', wrapper)
+      })
+    }
+
+  , last: function(){
+      return this.situations.length ? this.situations[this.situations.length-1] : this.situation
+    }
+
+    // adds one property to the animations
+  , add: function(method, args, type){
+      this.last()[type || 'animations'][method] = args
+      setTimeout(function(){this.start()}.bind(this), 0)
+      return this
+    }
+
+    /** perform one step of the animation
+     *  @param ignoreTime Boolean indicating whether to ignore time and use position directly or recalculate position based on time
+     *  @return this
+     */
+  , step: function(ignoreTime){
+
+      // convert current time to position
+      if(!ignoreTime) this.pos = this.timeToPos(+new Date)
+
+      if(this.pos >= 1 && (this.situation.loop === true || (typeof this.situation.loop == 'number' && --this.situation.loop))){
+
+        if(this.situation.reversing){
+          this.situation.reversed = !this.situation.reversed
+        }
+        return this.at(this.pos-1)
+      }
+
+      if(this.situation.reversed) this.pos = 1 - this.pos
+
+      // correct position
+      if(this.pos > 1)this.pos = 1
+      if(this.pos < 0)this.pos = 0
+
+      // apply easing
+      var eased = this.situation.ease(this.pos)
+
+      // call once-callbacks
+      for(var i in this.situation.once){
+        if(i > this.lastPos && i <= eased){
+          this.situation.once[i].call(this.target(), this.pos, eased)
+          delete this.situation.once[i]
+        }
+      }
+
+      // fire during callback with position, eased position and current situation as parameter
+      if(this.active) this.target().fire('during', {pos: this.pos, eased: eased, fx: this, situation: this.situation})
+
+      // the user may call stop or finish in the during callback
+      // so make sure that we still have a valid situation
+      if(!this.situation){
+        return this
+      }
+
+      // apply the actual animation to every property
+      this.eachAt()
+
+      // do final code when situation is finished
+      if((this.pos == 1 && !this.situation.reversed) || (this.situation.reversed && this.pos == 0)){
+
+        // stop animation callback
+        this.stopAnimFrame()
+
+        // fire finished callback with current situation as parameter
+        this.target().fire('finished', {fx:this, situation: this.situation})
+
+        if(!this.situations.length){
+          this.target().fire('allfinished')
+          this.target().off('.fx') // there shouldnt be any binding left, but to make sure...
+          this.active = false
+        }
+
+        // start next animation
+        if(this.active) this.dequeue()
+        else this.clearCurrent()
+
+      }else if(!this.paused && this.active){
+        // we continue animating when we are not at the end
+        this.startAnimFrame()
+      }
+
+      // save last eased position for once callback triggering
+      this.lastPos = eased
+      return this
+
+    }
+
+    // calculates the step for every property and calls block with it
+  , eachAt: function(){
+      var i, at, self = this, target = this.target(), s = this.situation
+
+      // apply animations which can be called trough a method
+      for(i in s.animations){
+
+        at = [].concat(s.animations[i]).map(function(el){
+          return el.at ? el.at(s.ease(self.pos), self.pos) : el
+        })
+
+        target[i].apply(target, at)
+
+      }
+
+      // apply animation which has to be applied with attr()
+      for(i in s.attrs){
+
+        at = [i].concat(s.attrs[i]).map(function(el){
+          return el.at ? el.at(s.ease(self.pos), self.pos) : el
+        })
+
+        target.attr.apply(target, at)
+
+      }
+
+      // apply animation which has to be applied with style()
+      for(i in s.styles){
+
+        at = [i].concat(s.styles[i]).map(function(el){
+          return el.at ? el.at(s.ease(self.pos), self.pos) : el
+        })
+
+        target.style.apply(target, at)
+
+      }
+
+      // animate initialTransformation which has to be chained
+      if(s.transforms.length){
+
+        // get inital initialTransformation
+        at = s.initialTransformation
+        for(i in s.transforms){
+
+          // get next transformation in chain
+          var a = s.transforms[i]
+
+          // multiply matrix directly
+          if(a instanceof SVG.Matrix){
+
+            if(a.relative){
+              at = at.multiply(a.at(s.ease(this.pos)))
+            }else{
+              at = at.morph(a).at(s.ease(this.pos))
+            }
+            continue
+          }
+
+          // when transformation is absolute we have to reset the needed transformation first
+          if(!a.relative)
+            a.undo(at.extract())
+
+          // and reapply it after
+          at = at.multiply(a.at(s.ease(this.pos)))
+
+        }
+
+        // set new matrix on element
+        target.matrix(at)
+      }
+
+      return this
+
+    }
+
+
+    // adds an once-callback which is called at a specific position and never again
+  , once: function(pos, fn, isEased){
+
+      if(!isEased)pos = this.situation.ease(pos)
+
+      this.situation.once[pos] = fn
+
+      return this
+    }
+
+  }
+
+, parent: SVG.Element
+
+  // Add method to parent elements
+, construct: {
+    // Get fx module or create a new one, then animate with given duration and ease
+    animate: function(o, ease, delay) {
+      return (this.fx || (this.fx = new SVG.FX(this))).animate(o, ease, delay)
+    }
+  , delay: function(delay){
+      return (this.fx || (this.fx = new SVG.FX(this))).delay(delay)
+    }
+  , stop: function(jumpToEnd, clearQueue) {
+      if (this.fx)
+        this.fx.stop(jumpToEnd, clearQueue)
+
+      return this
+    }
+  , finish: function() {
+      if (this.fx)
+        this.fx.finish()
+
+      return this
+    }
+    // Pause current animation
+  , pause: function() {
+      if (this.fx)
+        this.fx.pause()
+
+      return this
+    }
+    // Play paused current animation
+  , play: function() {
+      if (this.fx)
+        this.fx.play()
+
+      return this
+    }
+  }
+
+})
+
+// MorphObj is used whenever no morphable object is given
+SVG.MorphObj = SVG.invent({
+
+  create: function(from, to){
+    // prepare color for morphing
+    if(SVG.Color.isColor(to)) return new SVG.Color(from).morph(to)
+    // prepare number for morphing
+    if(SVG.regex.numberAndUnit.test(to)) return new SVG.Number(from).morph(to)
+
+    // prepare for plain morphing
+    this.value = 0
+    this.destination = to
+  }
+
+, extend: {
+    at: function(pos, real){
+      return real < 1 ? this.value : this.destination
+    },
+
+    valueOf: function(){
+      return this.value
+    }
+  }
+
+})
+
+SVG.extend(SVG.FX, {
+  // Add animatable attributes
+  attr: function(a, v, relative) {
+    // apply attributes individually
+    if (typeof a == 'object') {
+      for (var key in a)
+        this.attr(key, a[key])
+
+    } else {
+      // the MorphObj takes care about the right function used
+      this.add(a, new SVG.MorphObj(null, v), 'attrs')
+    }
+
+    return this
+  }
+  // Add animatable styles
+, style: function(s, v) {
+    if (typeof s == 'object')
+      for (var key in s)
+        this.style(key, s[key])
+
+    else
+      this.add(s, new SVG.MorphObj(null, v), 'styles')
+
+    return this
+  }
+  // Animatable x-axis
+, x: function(x, relative) {
+    if(this.target() instanceof SVG.G){
+      this.transform({x:x}, relative)
+      return this
+    }
+
+    var num = new SVG.Number().morph(x)
+    num.relative = relative
+    return this.add('x', num)
+  }
+  // Animatable y-axis
+, y: function(y, relative) {
+    if(this.target() instanceof SVG.G){
+      this.transform({y:y}, relative)
+      return this
+    }
+
+    var num = new SVG.Number().morph(y)
+    num.relative = relative
+    return this.add('y', num)
+  }
+  // Animatable center x-axis
+, cx: function(x) {
+    return this.add('cx', new SVG.Number().morph(x))
+  }
+  // Animatable center y-axis
+, cy: function(y) {
+    return this.add('cy', new SVG.Number().morph(y))
+  }
+  // Add animatable move
+, move: function(x, y) {
+    return this.x(x).y(y)
+  }
+  // Add animatable center
+, center: function(x, y) {
+    return this.cx(x).cy(y)
+  }
+  // Add animatable size
+, size: function(width, height) {
+    if (this.target() instanceof SVG.Text) {
+      // animate font size for Text elements
+      this.attr('font-size', width)
+
+    } else {
+      // animate bbox based size for all other elements
+      var box
+
+      if(!width || !height){
+        box = this.target().bbox()
+      }
+
+      if(!width){
+        width = box.width / box.height  * height
+      }
+
+      if(!height){
+        height = box.height / box.width  * width
+      }
+
+      this.add('width' , new SVG.Number().morph(width))
+          .add('height', new SVG.Number().morph(height))
+
+    }
+
+    return this
+  }
+  // Add animatable plot
+, plot: function(p) {
+    return this.add('plot', this.target().array().morph(p))
+  }
+  // Add leading method
+, leading: function(value) {
+    return this.target().leading ?
+      this.add('leading', new SVG.Number().morph(value)) :
+      this
+  }
+  // Add animatable viewbox
+, viewbox: function(x, y, width, height) {
+    if (this.target() instanceof SVG.Container) {
+      this.add('viewbox', new SVG.ViewBox(x, y, width, height))
+    }
+
+    return this
+  }
+, update: function(o) {
+    if (this.target() instanceof SVG.Stop) {
+      if (typeof o == 'number' || o instanceof SVG.Number) {
+        return this.update({
+          offset:  arguments[0]
+        , color:   arguments[1]
+        , opacity: arguments[2]
+        })
+      }
+
+      if (o.opacity != null) this.attr('stop-opacity', o.opacity)
+      if (o.color   != null) this.attr('stop-color', o.color)
+      if (o.offset  != null) this.attr('offset', o.offset)
+    }
+
+    return this
+  }
+})
+SVG.BBox = SVG.invent({
+  // Initialize
+  create: function(element) {
+    // get values if element is given
+    if (element) {
+      var box
+
+      // yes this is ugly, but Firefox can be a bitch when it comes to elements that are not yet rendered
+      try {
+
+        // the element is NOT in the dom, throw error
+        if(!document.documentElement.contains(element.node)) throw new Exception('Element not in the dom')
+
+        // find native bbox
+        box = element.node.getBBox()
+      } catch(e) {
+        if(element instanceof SVG.Shape){
+          var clone = element.clone(SVG.parser.draw).show()
+          box = clone.bbox()
+          clone.remove()
+        }else{
+          box = {
+            x:      element.node.clientLeft
+          , y:      element.node.clientTop
+          , width:  element.node.clientWidth
+          , height: element.node.clientHeight
+          }
+        }
+      }
+
+      // plain x and y
+      this.x = box.x
+      this.y = box.y
+
+      // plain width and height
+      this.width  = box.width
+      this.height = box.height
+    }
+
+    // add center, right and bottom
+    fullBox(this)
+  }
+
+  // Define Parent
+, parent: SVG.Element
+
+  // Constructor
+, construct: {
+    // Get bounding box
+    bbox: function() {
+      return new SVG.BBox(this)
+    }
+  }
+
+})
+
+SVG.TBox = SVG.invent({
+  // Initialize
+  create: function(element) {
+    // get values if element is given
+    if (element) {
+      var t   = element.ctm().extract()
+        , box = element.bbox()
+
+      // width and height including transformations
+      this.width  = box.width  * t.scaleX
+      this.height = box.height * t.scaleY
+
+      // x and y including transformations
+      this.x = box.x + t.x
+      this.y = box.y + t.y
+    }
+
+    // add center, right and bottom
+    fullBox(this)
+  }
+
+  // Define Parent
+, parent: SVG.Element
+
+  // Constructor
+, construct: {
+    // Get transformed bounding box
+    tbox: function() {
+      return new SVG.TBox(this)
+    }
+  }
+
+})
+
+
+SVG.RBox = SVG.invent({
+  // Initialize
+  create: function(element) {
+    if (element) {
+      var e    = element.doc().parent()
+        , box  = element.node.getBoundingClientRect()
+        , zoom = 1
+
+      // get screen offset
+      this.x = box.left
+      this.y = box.top
+
+      // subtract parent offset
+      this.x -= e.offsetLeft
+      this.y -= e.offsetTop
+
+      while (e = e.offsetParent) {
+        this.x -= e.offsetLeft
+        this.y -= e.offsetTop
+      }
+
+      // calculate cumulative zoom from svg documents
+      e = element
+      while (e.parent && (e = e.parent())) {
+        if (e.viewbox) {
+          zoom *= e.viewbox().zoom
+          this.x -= e.x() || 0
+          this.y -= e.y() || 0
+        }
+      }
+
+      // recalculate viewbox distortion
+      this.width  = box.width  /= zoom
+      this.height = box.height /= zoom
+    }
+
+    // add center, right and bottom
+    fullBox(this)
+
+    // offset by window scroll position, because getBoundingClientRect changes when window is scrolled
+    this.x += window.pageXOffset
+    this.y += window.pageYOffset
+  }
+
+  // define Parent
+, parent: SVG.Element
+
+  // Constructor
+, construct: {
+    // Get rect box
+    rbox: function() {
+      return new SVG.RBox(this)
+    }
+  }
+
+})
+
+// Add universal merge method
+;[SVG.BBox, SVG.TBox, SVG.RBox].forEach(function(c) {
+
+  SVG.extend(c, {
+    // Merge rect box with another, return a new instance
+    merge: function(box) {
+      var b = new c()
+
+      // merge boxes
+      b.x      = Math.min(this.x, box.x)
+      b.y      = Math.min(this.y, box.y)
+      b.width  = Math.max(this.x + this.width,  box.x + box.width)  - b.x
+      b.height = Math.max(this.y + this.height, box.y + box.height) - b.y
+
+      return fullBox(b)
+    }
+
+  })
+
+})
+
+SVG.Matrix = SVG.invent({
+  // Initialize
+  create: function(source) {
+    var i, base = arrayToMatrix([1, 0, 0, 1, 0, 0])
+
+    // ensure source as object
+    source = source instanceof SVG.Element ?
+      source.matrixify() :
+    typeof source === 'string' ?
+      stringToMatrix(source) :
+    arguments.length == 6 ?
+      arrayToMatrix([].slice.call(arguments)) :
+    typeof source === 'object' ?
+      source : base
+
+    // merge source
+    for (i = abcdef.length - 1; i >= 0; --i)
+      this[abcdef[i]] = source && typeof source[abcdef[i]] === 'number' ?
+        source[abcdef[i]] : base[abcdef[i]]
+  }
+
+  // Add methods
+, extend: {
+    // Extract individual transformations
+    extract: function() {
+      // find delta transform points
+      var px    = deltaTransformPoint(this, 0, 1)
+        , py    = deltaTransformPoint(this, 1, 0)
+        , skewX = 180 / Math.PI * Math.atan2(px.y, px.x) - 90
+
+      return {
+        // translation
+        x:        this.e
+      , y:        this.f
+      , transformedX:(this.e * Math.cos(skewX * Math.PI / 180) + this.f * Math.sin(skewX * Math.PI / 180)) / Math.sqrt(this.a * this.a + this.b * this.b)
+      , transformedY:(this.f * Math.cos(skewX * Math.PI / 180) + this.e * Math.sin(-skewX * Math.PI / 180)) / Math.sqrt(this.c * this.c + this.d * this.d)
+        // skew
+      , skewX:    -skewX
+      , skewY:    180 / Math.PI * Math.atan2(py.y, py.x)
+        // scale
+      , scaleX:   Math.sqrt(this.a * this.a + this.b * this.b)
+      , scaleY:   Math.sqrt(this.c * this.c + this.d * this.d)
+        // rotation
+      , rotation: skewX
+      , a: this.a
+      , b: this.b
+      , c: this.c
+      , d: this.d
+      , e: this.e
+      , f: this.f
+      , matrix: new SVG.Matrix(this)
+      }
+    }
+    // Clone matrix
+  , clone: function() {
+      return new SVG.Matrix(this)
+    }
+    // Morph one matrix into another
+  , morph: function(matrix) {
+      // store new destination
+      this.destination = new SVG.Matrix(matrix)
+
+      return this
+    }
+    // Get morphed matrix at a given position
+  , at: function(pos) {
+      // make sure a destination is defined
+      if (!this.destination) return this
+
+      // calculate morphed matrix at a given position
+      var matrix = new SVG.Matrix({
+        a: this.a + (this.destination.a - this.a) * pos
+      , b: this.b + (this.destination.b - this.b) * pos
+      , c: this.c + (this.destination.c - this.c) * pos
+      , d: this.d + (this.destination.d - this.d) * pos
+      , e: this.e + (this.destination.e - this.e) * pos
+      , f: this.f + (this.destination.f - this.f) * pos
+      })
+
+      // process parametric rotation if present
+      if (this.param && this.param.to) {
+        // calculate current parametric position
+        var param = {
+          rotation: this.param.from.rotation + (this.param.to.rotation - this.param.from.rotation) * pos
+        , cx:       this.param.from.cx
+        , cy:       this.param.from.cy
+        }
+
+        // rotate matrix
+        matrix = matrix.rotate(
+          (this.param.to.rotation - this.param.from.rotation * 2) * pos
+        , param.cx
+        , param.cy
+        )
+
+        // store current parametric values
+        matrix.param = param
+      }
+
+      return matrix
+    }
+    // Multiplies by given matrix
+  , multiply: function(matrix) {
+      return new SVG.Matrix(this.native().multiply(parseMatrix(matrix).native()))
+    }
+    // Inverses matrix
+  , inverse: function() {
+      return new SVG.Matrix(this.native().inverse())
+    }
+    // Translate matrix
+  , translate: function(x, y) {
+      return new SVG.Matrix(this.native().translate(x || 0, y || 0))
+    }
+    // Scale matrix
+  , scale: function(x, y, cx, cy) {
+      // support universal scale
+      if (arguments.length == 1 || arguments.length == 3)
+        y = x
+      if (arguments.length == 3) {
+        cy = cx
+        cx = y
+      }
+
+      return this.around(cx, cy, new SVG.Matrix(x, 0, 0, y, 0, 0))
+    }
+    // Rotate matrix
+  , rotate: function(r, cx, cy) {
+      // convert degrees to radians
+      r = SVG.utils.radians(r)
+
+      return this.around(cx, cy, new SVG.Matrix(Math.cos(r), Math.sin(r), -Math.sin(r), Math.cos(r), 0, 0))
+    }
+    // Flip matrix on x or y, at a given offset
+  , flip: function(a, o) {
+      return a == 'x' ? this.scale(-1, 1, o, 0) : this.scale(1, -1, 0, o)
+    }
+    // Skew
+  , skew: function(x, y, cx, cy) {
+      return this.around(cx, cy, this.native().skewX(x || 0).skewY(y || 0))
+    }
+    // SkewX
+  , skewX: function(x, cx, cy) {
+      return this.around(cx, cy, this.native().skewX(x || 0))
+    }
+    // SkewY
+  , skewY: function(y, cx, cy) {
+      return this.around(cx, cy, this.native().skewY(y || 0))
+    }
+    // Transform around a center point
+  , around: function(cx, cy, matrix) {
+      return this
+        .multiply(new SVG.Matrix(1, 0, 0, 1, cx || 0, cy || 0))
+        .multiply(matrix)
+        .multiply(new SVG.Matrix(1, 0, 0, 1, -cx || 0, -cy || 0))
+    }
+    // Convert to native SVGMatrix
+  , native: function() {
+      // create new matrix
+      var matrix = SVG.parser.native.createSVGMatrix()
+
+      // update with current values
+      for (var i = abcdef.length - 1; i >= 0; i--)
+        matrix[abcdef[i]] = this[abcdef[i]]
+
+      return matrix
+    }
+    // Convert matrix to string
+  , toString: function() {
+      return 'matrix(' + this.a + ',' + this.b + ',' + this.c + ',' + this.d + ',' + this.e + ',' + this.f + ')'
+    }
+  }
+
+  // Define parent
+, parent: SVG.Element
+
+  // Add parent method
+, construct: {
+    // Get current matrix
+    ctm: function() {
+      return new SVG.Matrix(this.node.getCTM())
+    },
+    // Get current screen matrix
+    screenCTM: function() {
+      return new SVG.Matrix(this.node.getScreenCTM())
+    }
+
+  }
+
+})
+
+SVG.Point = SVG.invent({
+  // Initialize
+  create: function(x,y) {
+    var i, source, base = {x:0, y:0}
+
+    // ensure source as object
+    source = Array.isArray(x) ?
+      {x:x[0], y:x[1]} :
+    typeof x === 'object' ?
+      {x:x.x, y:x.y} :
+    y != null ?
+      {x:x, y:y} : base
+
+    // merge source
+    this.x = source.x
+    this.y = source.y
+  }
+
+  // Add methods
+, extend: {
+    // Clone point
+    clone: function() {
+      return new SVG.Point(this)
+    }
+    // Morph one point into another
+  , morph: function(point) {
+      // store new destination
+      this.destination = new SVG.Point(point)
+
+      return this
+    }
+    // Get morphed point at a given position
+  , at: function(pos) {
+      // make sure a destination is defined
+      if (!this.destination) return this
+
+      // calculate morphed matrix at a given position
+      var point = new SVG.Point({
+        x: this.x + (this.destination.x - this.x) * pos
+      , y: this.y + (this.destination.y - this.y) * pos
+      })
+
+      return point
+    }
+    // Convert to native SVGPoint
+  , native: function() {
+      // create new point
+      var point = SVG.parser.native.createSVGPoint()
+
+      // update with current values
+      point.x = this.x
+      point.y = this.y
+
+      return point
+    }
+    // transform point with matrix
+  , transform: function(matrix) {
+      return new SVG.Point(this.native().matrixTransform(matrix.native()))
+    }
+
+  }
+
+})
+
+SVG.extend(SVG.Element, {
+
+  // Get point
+  point: function(x, y) {
+    return new SVG.Point(x,y).transform(this.screenCTM().inverse());
+  }
+
+})
+
+SVG.extend(SVG.Element, {
+  // Set svg element attribute
+  attr: function(a, v, n) {
+    // act as full getter
+    if (a == null) {
+      // get an object of attributes
+      a = {}
+      v = this.node.attributes
+      for (n = v.length - 1; n >= 0; n--)
+        a[v[n].nodeName] = SVG.regex.isNumber.test(v[n].nodeValue) ? parseFloat(v[n].nodeValue) : v[n].nodeValue
+
+      return a
+
+    } else if (typeof a == 'object') {
+      // apply every attribute individually if an object is passed
+      for (v in a) this.attr(v, a[v])
+
+    } else if (v === null) {
+        // remove value
+        this.node.removeAttribute(a)
+
+    } else if (v == null) {
+      // act as a getter if the first and only argument is not an object
+      v = this.node.getAttribute(a)
+      return v == null ?
+        SVG.defaults.attrs[a] :
+      SVG.regex.isNumber.test(v) ?
+        parseFloat(v) : v
+
+    } else {
+      // BUG FIX: some browsers will render a stroke if a color is given even though stroke width is 0
+      if (a == 'stroke-width')
+        this.attr('stroke', parseFloat(v) > 0 ? this._stroke : null)
+      else if (a == 'stroke')
+        this._stroke = v
+
+      // convert image fill and stroke to patterns
+      if (a == 'fill' || a == 'stroke') {
+        if (SVG.regex.isImage.test(v))
+          v = this.doc().defs().image(v, 0, 0)
+
+        if (v instanceof SVG.Image)
+          v = this.doc().defs().pattern(0, 0, function() {
+            this.add(v)
+          })
+      }
+
+      // ensure correct numeric values (also accepts NaN and Infinity)
+      if (typeof v === 'number')
+        v = new SVG.Number(v)
+
+      // ensure full hex color
+      else if (SVG.Color.isColor(v))
+        v = new SVG.Color(v)
+
+      // parse array values
+      else if (Array.isArray(v))
+        v = new SVG.Array(v)
+
+      // store parametric transformation values locally
+      else if (v instanceof SVG.Matrix && v.param)
+        this.param = v.param
+
+      // if the passed attribute is leading...
+      if (a == 'leading') {
+        // ... call the leading method instead
+        if (this.leading)
+          this.leading(v)
+      } else {
+        // set given attribute on node
+        typeof n === 'string' ?
+          this.node.setAttributeNS(n, a, v.toString()) :
+          this.node.setAttribute(a, v.toString())
+      }
+
+      // rebuild if required
+      if (this.rebuild && (a == 'font-size' || a == 'x'))
+        this.rebuild(a, v)
+    }
+
+    return this
+  }
+})
+SVG.extend(SVG.Element, {
+  // Add transformations
+  transform: function(o, relative) {
+    // get target in case of the fx module, otherwise reference this
+    var target = this
+      , matrix
+
+    // act as a getter
+    if (typeof o !== 'object') {
+      // get current matrix
+      matrix = new SVG.Matrix(target).extract()
+
+      return typeof o === 'string' ? matrix[o] : matrix
+    }
+
+    // get current matrix
+    matrix = new SVG.Matrix(target)
+
+    // ensure relative flag
+    relative = !!relative || !!o.relative
+
+    // act on matrix
+    if (o.a != null) {
+      matrix = relative ?
+        // relative
+        matrix.multiply(new SVG.Matrix(o)) :
+        // absolute
+        new SVG.Matrix(o)
+
+    // act on rotation
+    } else if (o.rotation != null) {
+      // ensure centre point
+      ensureCentre(o, target)
+
+      // apply transformation
+      matrix = relative ?
+        // relative
+        matrix.rotate(o.rotation, o.cx, o.cy) :
+        // absolute
+        matrix.rotate(o.rotation - matrix.extract().rotation, o.cx, o.cy)
+
+    // act on scale
+    } else if (o.scale != null || o.scaleX != null || o.scaleY != null) {
+      // ensure centre point
+      ensureCentre(o, target)
+
+      // ensure scale values on both axes
+      o.scaleX = o.scale != null ? o.scale : o.scaleX != null ? o.scaleX : 1
+      o.scaleY = o.scale != null ? o.scale : o.scaleY != null ? o.scaleY : 1
+
+      if (!relative) {
+        // absolute; multiply inversed values
+        var e = matrix.extract()
+        o.scaleX = o.scaleX * 1 / e.scaleX
+        o.scaleY = o.scaleY * 1 / e.scaleY
+      }
+
+      matrix = matrix.scale(o.scaleX, o.scaleY, o.cx, o.cy)
+
+    // act on skew
+    } else if (o.skewX != null || o.skewY != null) {
+      // ensure centre point
+      ensureCentre(o, target)
+
+      // ensure skew values on both axes
+      o.skewX = o.skewX != null ? o.skewX : 0
+      o.skewY = o.skewY != null ? o.skewY : 0
+
+      if (!relative) {
+        // absolute; reset skew values
+        var e = matrix.extract()
+        matrix = matrix.multiply(new SVG.Matrix().skew(e.skewX, e.skewY, o.cx, o.cy).inverse())
+      }
+
+      matrix = matrix.skew(o.skewX, o.skewY, o.cx, o.cy)
+
+    // act on flip
+    } else if (o.flip) {
+      matrix = matrix.flip(
+        o.flip
+      , o.offset == null ? target.bbox()['c' + o.flip] : o.offset
+      )
+
+    // act on translate
+    } else if (o.x != null || o.y != null) {
+      if (relative) {
+        // relative
+        matrix = matrix.translate(o.x, o.y)
+      } else {
+        // absolute
+        if (o.x != null) matrix.e = o.x
+        if (o.y != null) matrix.f = o.y
+      }
+    }
+
+    return this.attr('transform', matrix)
+  }
+})
+
+SVG.extend(SVG.FX, {
+  transform: function(o, relative) {
+    // get target in case of the fx module, otherwise reference this
+    var target = this.target()
+      , matrix
+
+    // act as a getter
+    if (typeof o !== 'object') {
+      // get current matrix
+      matrix = new SVG.Matrix(target).extract()
+
+      return typeof o === 'string' ? matrix[o] : matrix
+    }
+
+    // ensure relative flag
+    relative = !!relative || !!o.relative
+
+    // act on matrix
+    if (o.a != null) {
+      matrix = new SVG.Matrix(o)
+
+    // act on rotation
+    } else if (o.rotation != null) {
+      // ensure centre point
+      ensureCentre(o, target)
+
+      // apply transformation
+      matrix = new SVG.Rotate(o.rotation, o.cx, o.cy)
+
+    // act on scale
+    } else if (o.scale != null || o.scaleX != null || o.scaleY != null) {
+      // ensure centre point
+      ensureCentre(o, target)
+
+      // ensure scale values on both axes
+      o.scaleX = o.scale != null ? o.scale : o.scaleX != null ? o.scaleX : 1
+      o.scaleY = o.scale != null ? o.scale : o.scaleY != null ? o.scaleY : 1
+
+      matrix = new SVG.Scale(o.scaleX, o.scaleY, o.cx, o.cy)
+
+    // act on skew
+    } else if (o.skewX != null || o.skewY != null) {
+      // ensure centre point
+      ensureCentre(o, target)
+
+      // ensure skew values on both axes
+      o.skewX = o.skewX != null ? o.skewX : 0
+      o.skewY = o.skewY != null ? o.skewY : 0
+
+      matrix = new SVG.Skew(o.skewX, o.skewY, o.cx, o.cy)
+
+    // act on flip
+    } else if (o.flip) {
+      matrix = new SVG.Matrix().morph(new SVG.Matrix().flip(
+        o.flip
+      , o.offset == null ? target.bbox()['c' + o.flip] : o.offset
+      ))
+
+    // act on translate
+    } else if (o.x != null || o.y != null) {
+      matrix = new SVG.Translate(o.x, o.y)
+    }
+
+    if(!matrix) return this
+
+    matrix.relative = relative
+
+    this.last().transforms.push(matrix)
+
+    setTimeout(function(){this.start()}.bind(this), 0)
+
+    return this
+  }
+})
+
+SVG.extend(SVG.Element, {
+  // Reset all transformations
+  untransform: function() {
+    return this.attr('transform', null)
+  },
+  // merge the whole transformation chain into one matrix and returns it
+  matrixify: function() {
+
+    var matrix = (this.attr('transform') || '')
+      // split transformations
+      .split(/\)\s*/).slice(0,-1).map(function(str){
+        // generate key => value pairs
+        var kv = str.trim().split('(')
+        return [kv[0], kv[1].split(SVG.regex.matrixElements).map(function(str){ return parseFloat(str) })]
+      })
+      // calculate every transformation into one matrix
+      .reduce(function(matrix, transform){
+
+        if(transform[0] == 'matrix') return matrix.multiply(arrayToMatrix(transform[1]))
+        return matrix[transform[0]].apply(matrix, transform[1])
+
+      }, new SVG.Matrix())
+
+    return matrix
+  },
+  // add an element to another parent without changing the visual representation on the screen
+  toParent: function(parent) {
+    if(this == parent) return this
+    var ctm = this.screenCTM()
+    var temp = parent.rect(1,1)
+    var pCtm = temp.screenCTM().inverse()
+    temp.remove()
+
+    this.addTo(parent).untransform().transform(pCtm.multiply(ctm))
+
+    return this
+  },
+  // same as above with parent equals root-svg
+  toDoc: function() {
+    return this.toParent(this.doc())
+  }
+
+})
+
+SVG.Transformation = SVG.invent({
+
+  create: function(source, inversed){
+
+    if(arguments.length > 1 && typeof inversed != 'boolean'){
+      return this.create([].slice.call(arguments))
+    }
+
+    if(typeof source == 'object'){
+      for(var i = 0, len = this.arguments.length; i < len; ++i){
+        this[this.arguments[i]] = source[this.arguments[i]]
+      }
+    }
+
+    if(Array.isArray(source)){
+      for(var i = 0, len = this.arguments.length; i < len; ++i){
+        this[this.arguments[i]] = source[i]
+      }
+    }
+
+    this.inversed = false
+
+    if(inversed === true){
+      this.inversed = true
+    }
+
+  }
+
+, extend: {
+
+    at: function(pos){
+
+      var params = []
+
+      for(var i = 0, len = this.arguments.length; i < len; ++i){
+        params.push(this[this.arguments[i]])
+      }
+
+      var m = this._undo || new SVG.Matrix()
+
+      m = new SVG.Matrix().morph(SVG.Matrix.prototype[this.method].apply(m, params)).at(pos)
+
+      return this.inversed ? m.inverse() : m
+
+    }
+
+  , undo: function(o){
+      for(var i = 0, len = this.arguments.length; i < len; ++i){
+        o[this.arguments[i]] = typeof this[this.arguments[i]] == 'undefined' ? 0 : o[this.arguments[i]]
+      }
+
+      this._undo = new SVG[capitalize(this.method)](o, true).at(1)
+
+      return this
+    }
+
+  }
+
+})
+
+SVG.Translate = SVG.invent({
+
+  parent: SVG.Matrix
+, inherit: SVG.Transformation
+
+, create: function(source, inversed){
+    if(typeof source == 'object') this.constructor.call(this, source, inversed)
+    else this.constructor.call(this, [].slice.call(arguments))
+  }
+
+, extend: {
+    arguments: ['transformedX', 'transformedY']
+  , method: 'translate'
+  }
+
+})
+
+SVG.Rotate = SVG.invent({
+
+  parent: SVG.Matrix
+, inherit: SVG.Transformation
+
+, create: function(source, inversed){
+    if(typeof source == 'object') this.constructor.call(this, source, inversed)
+    else this.constructor.call(this, [].slice.call(arguments))
+  }
+
+, extend: {
+    arguments: ['rotation', 'cx', 'cy']
+  , method: 'rotate'
+  , at: function(pos){
+      var m = new SVG.Matrix().rotate(new SVG.Number().morph(this.rotation - (this._undo ? this._undo.rotation : 0)).at(pos), this.cx, this.cy)
+      return this.inversed ? m.inverse() : m
+    }
+  , undo: function(o){
+      this._undo = o
+    }
+  }
+
+})
+
+SVG.Scale = SVG.invent({
+
+  parent: SVG.Matrix
+, inherit: SVG.Transformation
+
+, create: function(source, inversed){
+    if(typeof source == 'object') this.constructor.call(this, source, inversed)
+    else this.constructor.call(this, [].slice.call(arguments))
+  }
+
+, extend: {
+    arguments: ['scaleX', 'scaleY', 'cx', 'cy']
+  , method: 'scale'
+  }
+
+})
+
+SVG.Skew = SVG.invent({
+
+  parent: SVG.Matrix
+, inherit: SVG.Transformation
+
+, create: function(source, inversed){
+    if(typeof source == 'object') this.constructor.call(this, source, inversed)
+    else this.constructor.call(this, [].slice.call(arguments))
+  }
+
+, extend: {
+    arguments: ['skewX', 'skewY', 'cx', 'cy']
+  , method: 'skew'
+  }
+
+})
+
+SVG.extend(SVG.Element, {
+  // Dynamic style generator
+  style: function(s, v) {
+    if (arguments.length == 0) {
+      // get full style
+      return this.node.style.cssText || ''
+
+    } else if (arguments.length < 2) {
+      // apply every style individually if an object is passed
+      if (typeof s == 'object') {
+        for (v in s) this.style(v, s[v])
+
+      } else if (SVG.regex.isCss.test(s)) {
+        // parse css string
+        s = s.split(';')
+
+        // apply every definition individually
+        for (var i = 0; i < s.length; i++) {
+          v = s[i].split(':')
+          this.style(v[0].replace(/\s+/g, ''), v[1])
+        }
+      } else {
+        // act as a getter if the first and only argument is not an object
+        return this.node.style[camelCase(s)]
+      }
+
+    } else {
+      this.node.style[camelCase(s)] = v === null || SVG.regex.isBlank.test(v) ? '' : v
+    }
+
+    return this
+  }
+})
+SVG.Parent = SVG.invent({
+  // Initialize node
+  create: function(element) {
+    this.constructor.call(this, element)
+  }
+
+  // Inherit from
+, inherit: SVG.Element
+
+  // Add class methods
+, extend: {
+    // Returns all child elements
+    children: function() {
+      return SVG.utils.map(SVG.utils.filterSVGElements(this.node.childNodes), function(node) {
+        return SVG.adopt(node)
+      })
+    }
+    // Add given element at a position
+  , add: function(element, i) {
+      if (i == null)
+        this.node.appendChild(element.node)
+      else if (element.node != this.node.childNodes[i])
+        this.node.insertBefore(element.node, this.node.childNodes[i])
+
+      return this
+    }
+    // Basically does the same as `add()` but returns the added element instead
+  , put: function(element, i) {
+      this.add(element, i)
+      return element
+    }
+    // Checks if the given element is a child
+  , has: function(element) {
+      return this.index(element) >= 0
+    }
+    // Gets index of given element
+  , index: function(element) {
+      return [].slice.call(this.node.childNodes).indexOf(element.node)
+    }
+    // Get a element at the given index
+  , get: function(i) {
+      return SVG.adopt(this.node.childNodes[i])
+    }
+    // Get first child
+  , first: function() {
+      return this.get(0)
+    }
+    // Get the last child
+  , last: function() {
+      return this.get(this.node.childNodes.length - 1)
+    }
+    // Iterates over all children and invokes a given block
+  , each: function(block, deep) {
+      var i, il
+        , children = this.children()
+
+      for (i = 0, il = children.length; i < il; i++) {
+        if (children[i] instanceof SVG.Element)
+          block.apply(children[i], [i, children])
+
+        if (deep && (children[i] instanceof SVG.Container))
+          children[i].each(block, deep)
+      }
+
+      return this
+    }
+    // Remove a given child
+  , removeElement: function(element) {
+      this.node.removeChild(element.node)
+
+      return this
+    }
+    // Remove all elements in this container
+  , clear: function() {
+      // remove children
+      while(this.node.hasChildNodes())
+        this.node.removeChild(this.node.lastChild)
+
+      // remove defs reference
+      delete this._defs
+
+      return this
+    }
+  , // Get defs
+    defs: function() {
+      return this.doc().defs()
+    }
+  }
+
+})
+
+SVG.extend(SVG.Parent, {
+
+  ungroup: function(parent, depth) {
+    if(depth === 0 || this instanceof SVG.Defs) return this
+
+    parent = parent || (this instanceof SVG.Doc ? this : this.parent(SVG.Parent))
+    depth = depth || Infinity
+
+    this.each(function(){
+      if(this instanceof SVG.Defs) return this
+      if(this instanceof SVG.Parent) return this.ungroup(parent, depth-1)
+      return this.toParent(parent)
+    })
+
+    this.node.firstChild || this.remove()
+
+    return this
+  },
+
+  flatten: function(parent, depth) {
+    return this.ungroup(parent, depth)
+  }
+
+})
+SVG.Container = SVG.invent({
+  // Initialize node
+  create: function(element) {
+    this.constructor.call(this, element)
+  }
+
+  // Inherit from
+, inherit: SVG.Parent
+
+})
+
+SVG.ViewBox = SVG.invent({
+
+  create: function(source) {
+    var i, base = [0, 0, 0, 0]
+
+    var x, y, width, height, box, view, we, he
+      , wm   = 1 // width multiplier
+      , hm   = 1 // height multiplier
+      , reg  = /[+-]?(?:\d+(?:\.\d*)?|\.\d+)(?:e[+-]?\d+)?/gi
+
+    if(source instanceof SVG.Element){
+
+      we = source
+      he = source
+      view = (source.attr('viewBox') || '').match(reg)
+      box = source.bbox
+
+      // get dimensions of current node
+      width  = new SVG.Number(source.width())
+      height = new SVG.Number(source.height())
+
+      // find nearest non-percentual dimensions
+      while (width.unit == '%') {
+        wm *= width.value
+        width = new SVG.Number(we instanceof SVG.Doc ? we.parent().offsetWidth : we.parent().width())
+        we = we.parent()
+      }
+      while (height.unit == '%') {
+        hm *= height.value
+        height = new SVG.Number(he instanceof SVG.Doc ? he.parent().offsetHeight : he.parent().height())
+        he = he.parent()
+      }
+
+      // ensure defaults
+      this.x      = 0
+      this.y      = 0
+      this.width  = width  * wm
+      this.height = height * hm
+      this.zoom   = 1
+
+      if (view) {
+        // get width and height from viewbox
+        x      = parseFloat(view[0])
+        y      = parseFloat(view[1])
+        width  = parseFloat(view[2])
+        height = parseFloat(view[3])
+
+        // calculate zoom accoring to viewbox
+        this.zoom = ((this.width / this.height) > (width / height)) ?
+          this.height / height :
+          this.width  / width
+
+        // calculate real pixel dimensions on parent SVG.Doc element
+        this.x      = x
+        this.y      = y
+        this.width  = width
+        this.height = height
+
+      }
+
+    }else{
+
+      // ensure source as object
+      source = typeof source === 'string' ?
+        source.match(reg).map(function(el){ return parseFloat(el) }) :
+      Array.isArray(source) ?
+        source :
+      typeof source == 'object' ?
+        [source.x, source.y, source.width, source.height] :
+      arguments.length == 4 ?
+        [].slice.call(arguments) :
+        base
+
+      this.x = source[0]
+      this.y = source[1]
+      this.width = source[2]
+      this.height = source[3]
+    }
+
+
+  }
+
+, extend: {
+
+    toString: function() {
+      return this.x + ' ' + this.y + ' ' + this.width + ' ' + this.height
+    }
+  , morph: function(v){
+
+      var v = arguments.length == 1 ?
+        [v.x, v.y, v.width, v.height] :
+        [].slice.call(arguments)
+
+      this.destination = new SVG.ViewBox(v)
+
+      return this
+
+    }
+
+  , at: function(pos) {
+
+    if(!this.destination) return this
+
+    return new SVG.ViewBox([
+        this.x + (this.destination.x - this.x) * pos
+      , this.y + (this.destination.y - this.y) * pos
+      , this.width + (this.destination.width - this.width) * pos
+      , this.height + (this.destination.height - this.height) * pos
+    ])
+
+    }
+
+  }
+
+  // Define parent
+, parent: SVG.Container
+
+  // Add parent method
+, construct: {
+
+    // get/set viewbox
+    viewbox: function(v) {
+      if (arguments.length == 0)
+        // act as a getter if there are no arguments
+        return new SVG.ViewBox(this)
+
+      // otherwise act as a setter
+      v = arguments.length == 1 ?
+        [v.x, v.y, v.width, v.height] :
+        [].slice.call(arguments)
+
+      return this.attr('viewBox', v)
+    }
+
+  }
+
+})
+// Add events to elements
+;[  'click'
+  , 'dblclick'
+  , 'mousedown'
+  , 'mouseup'
+  , 'mouseover'
+  , 'mouseout'
+  , 'mousemove'
+  // , 'mouseenter' -> not supported by IE
+  // , 'mouseleave' -> not supported by IE
+  , 'touchstart'
+  , 'touchmove'
+  , 'touchleave'
+  , 'touchend'
+  , 'touchcancel' ].forEach(function(event) {
+
+  // add event to SVG.Element
+  SVG.Element.prototype[event] = function(f) {
+    var self = this
+
+    // bind event to element rather than element node
+    this.node['on' + event] = typeof f == 'function' ?
+      function() { return f.apply(self, arguments) } : null
+
+    return this
+  }
+
+})
+
+// Initialize listeners stack
+SVG.listeners = []
+SVG.handlerMap = []
+SVG.listenerId = 0
+
+// Add event binder in the SVG namespace
+SVG.on = function(node, event, listener, binding) {
+  // create listener, get object-index
+  var l     = listener.bind(binding || node.instance || node)
+    , index = (SVG.handlerMap.indexOf(node) + 1 || SVG.handlerMap.push(node)) - 1
+    , ev    = event.split('.')[0]
+    , ns    = event.split('.')[1] || '*'
+
+
+  // ensure valid object
+  SVG.listeners[index]         = SVG.listeners[index]         || {}
+  SVG.listeners[index][ev]     = SVG.listeners[index][ev]     || {}
+  SVG.listeners[index][ev][ns] = SVG.listeners[index][ev][ns] || {}
+
+  if(!listener._svgjsListenerId)
+    listener._svgjsListenerId = ++SVG.listenerId
+
+  // reference listener
+  SVG.listeners[index][ev][ns][listener._svgjsListenerId] = l
+
+  // add listener
+  node.addEventListener(ev, l, false)
+}
+
+// Add event unbinder in the SVG namespace
+SVG.off = function(node, event, listener) {
+  var index = SVG.handlerMap.indexOf(node)
+    , ev    = event && event.split('.')[0]
+    , ns    = event && event.split('.')[1]
+
+  if(index == -1) return
+
+  if (listener) {
+    if(typeof listener == 'function') listener = listener._svgjsListenerId
+    if(!listener) return
+
+    // remove listener reference
+    if (SVG.listeners[index][ev] && SVG.listeners[index][ev][ns || '*']) {
+      // remove listener
+      node.removeEventListener(ev, SVG.listeners[index][ev][ns || '*'][listener], false)
+
+      delete SVG.listeners[index][ev][ns || '*'][listener]
+    }
+
+  } else if (ns && ev) {
+    // remove all listeners for a namespaced event
+    if (SVG.listeners[index][ev] && SVG.listeners[index][ev][ns]) {
+      for (listener in SVG.listeners[index][ev][ns])
+        SVG.off(node, [ev, ns].join('.'), listener)
+
+      delete SVG.listeners[index][ev][ns]
+    }
+
+  } else if (ns){
+    // remove all listeners for a specific namespace
+    for(event in SVG.listeners[index]){
+        for(namespace in SVG.listeners[index][event]){
+            if(ns === namespace){
+                SVG.off(node, [event, ns].join('.'))
+            }
+        }
+    }
+
+  } else if (ev) {
+    // remove all listeners for the event
+    if (SVG.listeners[index][ev]) {
+      for (namespace in SVG.listeners[index][ev])
+        SVG.off(node, [ev, namespace].join('.'))
+
+      delete SVG.listeners[index][ev]
+    }
+
+  } else {
+    // remove all listeners on a given node
+    for (event in SVG.listeners[index])
+      SVG.off(node, event)
+
+    delete SVG.listeners[index]
+
+  }
+}
+
+//
+SVG.extend(SVG.Element, {
+  // Bind given event to listener
+  on: function(event, listener, binding) {
+    SVG.on(this.node, event, listener, binding)
+
+    return this
+  }
+  // Unbind event from listener
+, off: function(event, listener) {
+    SVG.off(this.node, event, listener)
+
+    return this
+  }
+  // Fire given event
+, fire: function(event, data) {
+
+    // Dispatch event
+    if(event instanceof Event){
+        this.node.dispatchEvent(event)
+    }else{
+        this.node.dispatchEvent(new CustomEvent(event, {detail:data}))
+    }
+
+    return this
+  }
+})
+
+SVG.Defs = SVG.invent({
+  // Initialize node
+  create: 'defs'
+
+  // Inherit from
+, inherit: SVG.Container
+
+})
+SVG.G = SVG.invent({
+  // Initialize node
+  create: 'g'
+
+  // Inherit from
+, inherit: SVG.Container
+
+  // Add class methods
+, extend: {
+    // Move over x-axis
+    x: function(x) {
+      return x == null ? this.transform('x') : this.transform({ x: x - this.x() }, true)
+    }
+    // Move over y-axis
+  , y: function(y) {
+      return y == null ? this.transform('y') : this.transform({ y: y - this.y() }, true)
+    }
+    // Move by center over x-axis
+  , cx: function(x) {
+      return x == null ? this.gbox().cx : this.x(x - this.gbox().width / 2)
+    }
+    // Move by center over y-axis
+  , cy: function(y) {
+      return y == null ? this.gbox().cy : this.y(y - this.gbox().height / 2)
+    }
+  , gbox: function() {
+
+      var bbox  = this.bbox()
+        , trans = this.transform()
+
+      bbox.x  += trans.x
+      bbox.x2 += trans.x
+      bbox.cx += trans.x
+
+      bbox.y  += trans.y
+      bbox.y2 += trans.y
+      bbox.cy += trans.y
+
+      return bbox
+    }
+  }
+
+  // Add parent method
+, construct: {
+    // Create a group element
+    group: function() {
+      return this.put(new SVG.G)
+    }
+  }
+})
+
+// ### This module adds backward / forward functionality to elements.
+
+//
+SVG.extend(SVG.Element, {
+  // Get all siblings, including myself
+  siblings: function() {
+    return this.parent().children()
+  }
+  // Get the curent position siblings
+, position: function() {
+    return this.parent().index(this)
+  }
+  // Get the next element (will return null if there is none)
+, next: function() {
+    return this.siblings()[this.position() + 1]
+  }
+  // Get the next element (will return null if there is none)
+, previous: function() {
+    return this.siblings()[this.position() - 1]
+  }
+  // Send given element one step forward
+, forward: function() {
+    var i = this.position() + 1
+      , p = this.parent()
+
+    // move node one step forward
+    p.removeElement(this).add(this, i)
+
+    // make sure defs node is always at the top
+    if (p instanceof SVG.Doc)
+      p.node.appendChild(p.defs().node)
+
+    return this
+  }
+  // Send given element one step backward
+, backward: function() {
+    var i = this.position()
+
+    if (i > 0)
+      this.parent().removeElement(this).add(this, i - 1)
+
+    return this
+  }
+  // Send given element all the way to the front
+, front: function() {
+    var p = this.parent()
+
+    // Move node forward
+    p.node.appendChild(this.node)
+
+    // Make sure defs node is always at the top
+    if (p instanceof SVG.Doc)
+      p.node.appendChild(p.defs().node)
+
+    return this
+  }
+  // Send given element all the way to the back
+, back: function() {
+    if (this.position() > 0)
+      this.parent().removeElement(this).add(this, 0)
+
+    return this
+  }
+  // Inserts a given element before the targeted element
+, before: function(element) {
+    element.remove()
+
+    var i = this.position()
+
+    this.parent().add(element, i)
+
+    return this
+  }
+  // Insters a given element after the targeted element
+, after: function(element) {
+    element.remove()
+
+    var i = this.position()
+
+    this.parent().add(element, i + 1)
+
+    return this
+  }
+
+})
+SVG.Mask = SVG.invent({
+  // Initialize node
+  create: function() {
+    this.constructor.call(this, SVG.create('mask'))
+
+    // keep references to masked elements
+    this.targets = []
+  }
+
+  // Inherit from
+, inherit: SVG.Container
+
+  // Add class methods
+, extend: {
+    // Unmask all masked elements and remove itself
+    remove: function() {
+      // unmask all targets
+      for (var i = this.targets.length - 1; i >= 0; i--)
+        if (this.targets[i])
+          this.targets[i].unmask()
+      this.targets = []
+
+      // remove mask from parent
+      this.parent().removeElement(this)
+
+      return this
+    }
+  }
+
+  // Add parent method
+, construct: {
+    // Create masking element
+    mask: function() {
+      return this.defs().put(new SVG.Mask)
+    }
+  }
+})
+
+
+SVG.extend(SVG.Element, {
+  // Distribute mask to svg element
+  maskWith: function(element) {
+    // use given mask or create a new one
+    this.masker = element instanceof SVG.Mask ? element : this.parent().mask().add(element)
+
+    // store reverence on self in mask
+    this.masker.targets.push(this)
+
+    // apply mask
+    return this.attr('mask', 'url("#' + this.masker.attr('id') + '")')
+  }
+  // Unmask element
+, unmask: function() {
+    delete this.masker
+    return this.attr('mask', null)
+  }
+
+})
+
+SVG.ClipPath = SVG.invent({
+  // Initialize node
+  create: function() {
+    this.constructor.call(this, SVG.create('clipPath'))
+
+    // keep references to clipped elements
+    this.targets = []
+  }
+
+  // Inherit from
+, inherit: SVG.Container
+
+  // Add class methods
+, extend: {
+    // Unclip all clipped elements and remove itself
+    remove: function() {
+      // unclip all targets
+      for (var i = this.targets.length - 1; i >= 0; i--)
+        if (this.targets[i])
+          this.targets[i].unclip()
+      this.targets = []
+
+      // remove clipPath from parent
+      this.parent().removeElement(this)
+
+      return this
+    }
+  }
+
+  // Add parent method
+, construct: {
+    // Create clipping element
+    clip: function() {
+      return this.defs().put(new SVG.ClipPath)
+    }
+  }
+})
+
+//
+SVG.extend(SVG.Element, {
+  // Distribute clipPath to svg element
+  clipWith: function(element) {
+    // use given clip or create a new one
+    this.clipper = element instanceof SVG.ClipPath ? element : this.parent().clip().add(element)
+
+    // store reverence on self in mask
+    this.clipper.targets.push(this)
+
+    // apply mask
+    return this.attr('clip-path', 'url("#' + this.clipper.attr('id') + '")')
+  }
+  // Unclip element
+, unclip: function() {
+    delete this.clipper
+    return this.attr('clip-path', null)
+  }
+
+})
+SVG.Gradient = SVG.invent({
+  // Initialize node
+  create: function(type) {
+    this.constructor.call(this, SVG.create(type + 'Gradient'))
+
+    // store type
+    this.type = type
+  }
+
+  // Inherit from
+, inherit: SVG.Container
+
+  // Add class methods
+, extend: {
+    // Add a color stop
+    at: function(offset, color, opacity) {
+      return this.put(new SVG.Stop).update(offset, color, opacity)
+    }
+    // Update gradient
+  , update: function(block) {
+      // remove all stops
+      this.clear()
+
+      // invoke passed block
+      if (typeof block == 'function')
+        block.call(this, this)
+
+      return this
+    }
+    // Return the fill id
+  , fill: function() {
+      return 'url(#' + this.id() + ')'
+    }
+    // Alias string convertion to fill
+  , toString: function() {
+      return this.fill()
+    }
+    // custom attr to handle transform
+  , attr: function(a, b, c) {
+      if(a == 'transform') a = 'gradientTransform'
+      return SVG.Container.prototype.attr.call(this, a, b, c)
+    }
+  }
+
+  // Add parent method
+, construct: {
+    // Create gradient element in defs
+    gradient: function(type, block) {
+      return this.defs().gradient(type, block)
+    }
+  }
+})
+
+// Add animatable methods to both gradient and fx module
+SVG.extend(SVG.Gradient, SVG.FX, {
+  // From position
+  from: function(x, y) {
+    return (this._target || this).type == 'radial' ?
+      this.attr({ fx: new SVG.Number(x), fy: new SVG.Number(y) }) :
+      this.attr({ x1: new SVG.Number(x), y1: new SVG.Number(y) })
+  }
+  // To position
+, to: function(x, y) {
+    return (this._target || this).type == 'radial' ?
+      this.attr({ cx: new SVG.Number(x), cy: new SVG.Number(y) }) :
+      this.attr({ x2: new SVG.Number(x), y2: new SVG.Number(y) })
+  }
+})
+
+// Base gradient generation
+SVG.extend(SVG.Defs, {
+  // define gradient
+  gradient: function(type, block) {
+    return this.put(new SVG.Gradient(type)).update(block)
+  }
+
+})
+
+SVG.Stop = SVG.invent({
+  // Initialize node
+  create: 'stop'
+
+  // Inherit from
+, inherit: SVG.Element
+
+  // Add class methods
+, extend: {
+    // add color stops
+    update: function(o) {
+      if (typeof o == 'number' || o instanceof SVG.Number) {
+        o = {
+          offset:  arguments[0]
+        , color:   arguments[1]
+        , opacity: arguments[2]
+        }
+      }
+
+      // set attributes
+      if (o.opacity != null) this.attr('stop-opacity', o.opacity)
+      if (o.color   != null) this.attr('stop-color', o.color)
+      if (o.offset  != null) this.attr('offset', new SVG.Number(o.offset))
+
+      return this
+    }
+  }
+
+})
+
+SVG.Pattern = SVG.invent({
+  // Initialize node
+  create: 'pattern'
+
+  // Inherit from
+, inherit: SVG.Container
+
+  // Add class methods
+, extend: {
+    // Return the fill id
+    fill: function() {
+      return 'url(#' + this.id() + ')'
+    }
+    // Update pattern by rebuilding
+  , update: function(block) {
+      // remove content
+      this.clear()
+
+      // invoke passed block
+      if (typeof block == 'function')
+        block.call(this, this)
+
+      return this
+    }
+    // Alias string convertion to fill
+  , toString: function() {
+      return this.fill()
+    }
+    // custom attr to handle transform
+  , attr: function(a, b, c) {
+      if(a == 'transform') a = 'patternTransform'
+      return SVG.Container.prototype.attr.call(this, a, b, c)
+    }
+
+  }
+
+  // Add parent method
+, construct: {
+    // Create pattern element in defs
+    pattern: function(width, height, block) {
+      return this.defs().pattern(width, height, block)
+    }
+  }
+})
+
+SVG.extend(SVG.Defs, {
+  // Define gradient
+  pattern: function(width, height, block) {
+    return this.put(new SVG.Pattern).update(block).attr({
+      x:            0
+    , y:            0
+    , width:        width
+    , height:       height
+    , patternUnits: 'userSpaceOnUse'
+    })
+  }
+
+})
+SVG.Doc = SVG.invent({
+  // Initialize node
+  create: function(element) {
+    if (element) {
+      // ensure the presence of a dom element
+      element = typeof element == 'string' ?
+        document.getElementById(element) :
+        element
+
+      // If the target is an svg element, use that element as the main wrapper.
+      // This allows svg.js to work with svg documents as well.
+      if (element.nodeName == 'svg') {
+        this.constructor.call(this, element)
+      } else {
+        this.constructor.call(this, SVG.create('svg'))
+        element.appendChild(this.node)
+        this.size('100%', '100%')
+      }
+
+      // set svg element attributes and ensure defs node
+      this.namespace().defs()
+    }
+  }
+
+  // Inherit from
+, inherit: SVG.Container
+
+  // Add class methods
+, extend: {
+    // Add namespaces
+    namespace: function() {
+      return this
+        .attr({ xmlns: SVG.ns, version: '1.1' })
+        .attr('xmlns:xlink', SVG.xlink, SVG.xmlns)
+        .attr('xmlns:svgjs', SVG.svgjs, SVG.xmlns)
+    }
+    // Creates and returns defs element
+  , defs: function() {
+      if (!this._defs) {
+        var defs
+
+        // Find or create a defs element in this instance
+        if (defs = this.node.getElementsByTagName('defs')[0])
+          this._defs = SVG.adopt(defs)
+        else
+          this._defs = new SVG.Defs
+
+        // Make sure the defs node is at the end of the stack
+        this.node.appendChild(this._defs.node)
+      }
+
+      return this._defs
+    }
+    // custom parent method
+  , parent: function() {
+      return this.node.parentNode.nodeName == '#document' ? null : this.node.parentNode
+    }
+    // Fix for possible sub-pixel offset. See:
+    // https://bugzilla.mozilla.org/show_bug.cgi?id=608812
+  , spof: function(spof) {
+      var pos = this.node.getScreenCTM()
+
+      if (pos)
+        this
+          .style('left', (-pos.e % 1) + 'px')
+          .style('top',  (-pos.f % 1) + 'px')
+
+      return this
+    }
+
+      // Removes the doc from the DOM
+  , remove: function() {
+      if(this.parent()) {
+        this.parent().removeChild(this.node);
+      }
+
+      return this;
+    }
+  }
+
+})
+
+SVG.Shape = SVG.invent({
+  // Initialize node
+  create: function(element) {
+    this.constructor.call(this, element)
+  }
+
+  // Inherit from
+, inherit: SVG.Element
+
+})
+
+SVG.Bare = SVG.invent({
+  // Initialize
+  create: function(element, inherit) {
+    // construct element
+    this.constructor.call(this, SVG.create(element))
+
+    // inherit custom methods
+    if (inherit)
+      for (var method in inherit.prototype)
+        if (typeof inherit.prototype[method] === 'function')
+          this[method] = inherit.prototype[method]
+  }
+
+  // Inherit from
+, inherit: SVG.Element
+
+  // Add methods
+, extend: {
+    // Insert some plain text
+    words: function(text) {
+      // remove contents
+      while (this.node.hasChildNodes())
+        this.node.removeChild(this.node.lastChild)
+
+      // create text node
+      this.node.appendChild(document.createTextNode(text))
+
+      return this
+    }
+  }
+})
+
+
+SVG.extend(SVG.Parent, {
+  // Create an element that is not described by SVG.js
+  element: function(element, inherit) {
+    return this.put(new SVG.Bare(element, inherit))
+  }
+  // Add symbol element
+, symbol: function() {
+    return this.defs().element('symbol', SVG.Container)
+  }
+
+})
+SVG.Use = SVG.invent({
+  // Initialize node
+  create: 'use'
+
+  // Inherit from
+, inherit: SVG.Shape
+
+  // Add class methods
+, extend: {
+    // Use element as a reference
+    element: function(element, file) {
+      // Set lined element
+      return this.attr('href', (file || '') + '#' + element, SVG.xlink)
+    }
+  }
+
+  // Add parent method
+, construct: {
+    // Create a use element
+    use: function(element, file) {
+      return this.put(new SVG.Use).element(element, file)
+    }
+  }
+})
+SVG.Rect = SVG.invent({
+  // Initialize node
+  create: 'rect'
+
+  // Inherit from
+, inherit: SVG.Shape
+
+  // Add parent method
+, construct: {
+    // Create a rect element
+    rect: function(width, height) {
+      return this.put(new SVG.Rect()).size(width, height)
+    }
+  }
+})
+SVG.Circle = SVG.invent({
+  // Initialize node
+  create: 'circle'
+
+  // Inherit from
+, inherit: SVG.Shape
+
+  // Add parent method
+, construct: {
+    // Create circle element, based on ellipse
+    circle: function(size) {
+      return this.put(new SVG.Circle).rx(new SVG.Number(size).divide(2)).move(0, 0)
+    }
+  }
+})
+
+SVG.extend(SVG.Circle, SVG.FX, {
+  // Radius x value
+  rx: function(rx) {
+    return this.attr('r', rx)
+  }
+  // Alias radius x value
+, ry: function(ry) {
+    return this.rx(ry)
+  }
+})
+
+SVG.Ellipse = SVG.invent({
+  // Initialize node
+  create: 'ellipse'
+
+  // Inherit from
+, inherit: SVG.Shape
+
+  // Add parent method
+, construct: {
+    // Create an ellipse
+    ellipse: function(width, height) {
+      return this.put(new SVG.Ellipse).size(width, height).move(0, 0)
+    }
+  }
+})
+
+SVG.extend(SVG.Ellipse, SVG.Rect, SVG.FX, {
+  // Radius x value
+  rx: function(rx) {
+    return this.attr('rx', rx)
+  }
+  // Radius y value
+, ry: function(ry) {
+    return this.attr('ry', ry)
+  }
+})
+
+// Add common method
+SVG.extend(SVG.Circle, SVG.Ellipse, {
+    // Move over x-axis
+    x: function(x) {
+      return x == null ? this.cx() - this.rx() : this.cx(x + this.rx())
+    }
+    // Move over y-axis
+  , y: function(y) {
+      return y == null ? this.cy() - this.ry() : this.cy(y + this.ry())
+    }
+    // Move by center over x-axis
+  , cx: function(x) {
+      return x == null ? this.attr('cx') : this.attr('cx', x)
+    }
+    // Move by center over y-axis
+  , cy: function(y) {
+      return y == null ? this.attr('cy') : this.attr('cy', y)
+    }
+    // Set width of element
+  , width: function(width) {
+      return width == null ? this.rx() * 2 : this.rx(new SVG.Number(width).divide(2))
+    }
+    // Set height of element
+  , height: function(height) {
+      return height == null ? this.ry() * 2 : this.ry(new SVG.Number(height).divide(2))
+    }
+    // Custom size function
+  , size: function(width, height) {
+      var p = proportionalSize(this, width, height)
+
+      return this
+        .rx(new SVG.Number(p.width).divide(2))
+        .ry(new SVG.Number(p.height).divide(2))
+    }
+})
+SVG.Line = SVG.invent({
+  // Initialize node
+  create: 'line'
+
+  // Inherit from
+, inherit: SVG.Shape
+
+  // Add class methods
+, extend: {
+    // Get array
+    array: function() {
+      return new SVG.PointArray([
+        [ this.attr('x1'), this.attr('y1') ]
+      , [ this.attr('x2'), this.attr('y2') ]
+      ])
+    }
+    // Overwrite native plot() method
+  , plot: function(x1, y1, x2, y2) {
+      if (typeof y1 !== 'undefined')
+        x1 = { x1: x1, y1: y1, x2: x2, y2: y2 }
+      else
+        x1 = new SVG.PointArray(x1).toLine()
+
+      return this.attr(x1)
+    }
+    // Move by left top corner
+  , move: function(x, y) {
+      return this.attr(this.array().move(x, y).toLine())
+    }
+    // Set element size to given width and height
+  , size: function(width, height) {
+      var p = proportionalSize(this, width, height)
+
+      return this.attr(this.array().size(p.width, p.height).toLine())
+    }
+  }
+
+  // Add parent method
+, construct: {
+    // Create a line element
+    line: function(x1, y1, x2, y2) {
+      return this.put(new SVG.Line).plot(x1, y1, x2, y2)
+    }
+  }
+})
+
+SVG.Polyline = SVG.invent({
+  // Initialize node
+  create: 'polyline'
+
+  // Inherit from
+, inherit: SVG.Shape
+
+  // Add parent method
+, construct: {
+    // Create a wrapped polyline element
+    polyline: function(p) {
+      return this.put(new SVG.Polyline).plot(p)
+    }
+  }
+})
+
+SVG.Polygon = SVG.invent({
+  // Initialize node
+  create: 'polygon'
+
+  // Inherit from
+, inherit: SVG.Shape
+
+  // Add parent method
+, construct: {
+    // Create a wrapped polygon element
+    polygon: function(p) {
+      return this.put(new SVG.Polygon).plot(p)
+    }
+  }
+})
+
+// Add polygon-specific functions
+SVG.extend(SVG.Polyline, SVG.Polygon, {
+  // Get array
+  array: function() {
+    return this._array || (this._array = new SVG.PointArray(this.attr('points')))
+  }
+  // Plot new path
+, plot: function(p) {
+    return this.attr('points', (this._array = new SVG.PointArray(p)))
+  }
+  // Move by left top corner
+, move: function(x, y) {
+    return this.attr('points', this.array().move(x, y))
+  }
+  // Set element size to given width and height
+, size: function(width, height) {
+    var p = proportionalSize(this, width, height)
+
+    return this.attr('points', this.array().size(p.width, p.height))
+  }
+
+})
+// unify all point to point elements
+SVG.extend(SVG.Line, SVG.Polyline, SVG.Polygon, {
+  // Define morphable array
+  morphArray:  SVG.PointArray
+  // Move by left top corner over x-axis
+, x: function(x) {
+    return x == null ? this.bbox().x : this.move(x, this.bbox().y)
+  }
+  // Move by left top corner over y-axis
+, y: function(y) {
+    return y == null ? this.bbox().y : this.move(this.bbox().x, y)
+  }
+  // Set width of element
+, width: function(width) {
+    var b = this.bbox()
+
+    return width == null ? b.width : this.size(width, b.height)
+  }
+  // Set height of element
+, height: function(height) {
+    var b = this.bbox()
+
+    return height == null ? b.height : this.size(b.width, height)
+  }
+})
+SVG.Path = SVG.invent({
+  // Initialize node
+  create: 'path'
+
+  // Inherit from
+, inherit: SVG.Shape
+
+  // Add class methods
+, extend: {
+    // Define morphable array
+    morphArray:  SVG.PathArray
+    // Get array
+  , array: function() {
+      return this._array || (this._array = new SVG.PathArray(this.attr('d')))
+    }
+    // Plot new poly points
+  , plot: function(p) {
+      return this.attr('d', (this._array = new SVG.PathArray(p)))
+    }
+    // Move by left top corner
+  , move: function(x, y) {
+      return this.attr('d', this.array().move(x, y))
+    }
+    // Move by left top corner over x-axis
+  , x: function(x) {
+      return x == null ? this.bbox().x : this.move(x, this.bbox().y)
+    }
+    // Move by left top corner over y-axis
+  , y: function(y) {
+      return y == null ? this.bbox().y : this.move(this.bbox().x, y)
+    }
+    // Set element size to given width and height
+  , size: function(width, height) {
+      var p = proportionalSize(this, width, height)
+
+      return this.attr('d', this.array().size(p.width, p.height))
+    }
+    // Set width of element
+  , width: function(width) {
+      return width == null ? this.bbox().width : this.size(width, this.bbox().height)
+    }
+    // Set height of element
+  , height: function(height) {
+      return height == null ? this.bbox().height : this.size(this.bbox().width, height)
+    }
+
+  }
+
+  // Add parent method
+, construct: {
+    // Create a wrapped path element
+    path: function(d) {
+      return this.put(new SVG.Path).plot(d)
+    }
+  }
+})
+SVG.Image = SVG.invent({
+  // Initialize node
+  create: 'image'
+
+  // Inherit from
+, inherit: SVG.Shape
+
+  // Add class methods
+, extend: {
+    // (re)load image
+    load: function(url) {
+      if (!url) return this
+
+      var self = this
+        , img  = document.createElement('img')
+
+      // preload image
+      img.onload = function() {
+        var p = self.parent(SVG.Pattern)
+
+        if(p === null) return
+
+        // ensure image size
+        if (self.width() == 0 && self.height() == 0)
+          self.size(img.width, img.height)
+
+        // ensure pattern size if not set
+        if (p && p.width() == 0 && p.height() == 0)
+          p.size(self.width(), self.height())
+
+        // callback
+        if (typeof self._loaded === 'function')
+          self._loaded.call(self, {
+            width:  img.width
+          , height: img.height
+          , ratio:  img.width / img.height
+          , url:    url
+          })
+      }
+
+      img.onerror = function(e){
+        if (typeof self._error === 'function'){
+            self._error.call(self, e)
+        }
+      }
+
+      return this.attr('href', (img.src = this.src = url), SVG.xlink)
+    }
+    // Add loaded callback
+  , loaded: function(loaded) {
+      this._loaded = loaded
+      return this
+    }
+
+  , error: function(error) {
+      this._error = error
+      return this
+    }
+  }
+
+  // Add parent method
+, construct: {
+    // create image element, load image and set its size
+    image: function(source, width, height) {
+      return this.put(new SVG.Image).load(source).size(width || 0, height || width || 0)
+    }
+  }
+
+})
+SVG.Text = SVG.invent({
+  // Initialize node
+  create: function() {
+    this.constructor.call(this, SVG.create('text'))
+
+    this.dom.leading = new SVG.Number(1.3)    // store leading value for rebuilding
+    this._rebuild = true                      // enable automatic updating of dy values
+    this._build   = false                     // disable build mode for adding multiple lines
+
+    // set default font
+    this.attr('font-family', SVG.defaults.attrs['font-family'])
+  }
+
+  // Inherit from
+, inherit: SVG.Shape
+
+  // Add class methods
+, extend: {
+    // Move over x-axis
+    x: function(x) {
+      // act as getter
+      if (x == null)
+        return this.attr('x')
+
+      // move lines as well if no textPath is present
+      if (!this.textPath)
+        this.lines().each(function() { if (this.dom.newLined) this.x(x) })
+
+      return this.attr('x', x)
+    }
+    // Move over y-axis
+  , y: function(y) {
+      var oy = this.attr('y')
+        , o  = typeof oy === 'number' ? oy - this.bbox().y : 0
+
+      // act as getter
+      if (y == null)
+        return typeof oy === 'number' ? oy - o : oy
+
+      return this.attr('y', typeof y === 'number' ? y + o : y)
+    }
+    // Move center over x-axis
+  , cx: function(x) {
+      return x == null ? this.bbox().cx : this.x(x - this.bbox().width / 2)
+    }
+    // Move center over y-axis
+  , cy: function(y) {
+      return y == null ? this.bbox().cy : this.y(y - this.bbox().height / 2)
+    }
+    // Set the text content
+  , text: function(text) {
+      // act as getter
+      if (typeof text === 'undefined'){
+        var text = ''
+        var children = this.node.childNodes
+        for(var i = 0, len = children.length; i < len; ++i){
+
+          // add newline if its not the first child and newLined is set to true
+          if(i != 0 && children[i].nodeType != 3 && SVG.adopt(children[i]).dom.newLined == true){
+            text += '\n'
+          }
+
+          // add content of this node
+          text += children[i].textContent
+        }
+
+        return text
+      }
+
+      // remove existing content
+      this.clear().build(true)
+
+      if (typeof text === 'function') {
+        // call block
+        text.call(this, this)
+
+      } else {
+        // store text and make sure text is not blank
+        text = text.split('\n')
+
+        // build new lines
+        for (var i = 0, il = text.length; i < il; i++)
+          this.tspan(text[i]).newLine()
+      }
+
+      // disable build mode and rebuild lines
+      return this.build(false).rebuild()
+    }
+    // Set font size
+  , size: function(size) {
+      return this.attr('font-size', size).rebuild()
+    }
+    // Set / get leading
+  , leading: function(value) {
+      // act as getter
+      if (value == null)
+        return this.dom.leading
+
+      // act as setter
+      this.dom.leading = new SVG.Number(value)
+
+      return this.rebuild()
+    }
+    // Get all the first level lines
+  , lines: function() {
+      var node = (this.textPath && this.textPath() || this).node
+
+      // filter tspans and map them to SVG.js instances
+      var lines = SVG.utils.map(SVG.utils.filterSVGElements(node.childNodes), function(el){
+        return SVG.adopt(el)
+      })
+
+      // return an instance of SVG.set
+      return new SVG.Set(lines)
+    }
+    // Rebuild appearance type
+  , rebuild: function(rebuild) {
+      // store new rebuild flag if given
+      if (typeof rebuild == 'boolean')
+        this._rebuild = rebuild
+
+      // define position of all lines
+      if (this._rebuild) {
+        var self = this
+          , blankLineOffset = 0
+          , dy = this.dom.leading * new SVG.Number(this.attr('font-size'))
+
+        this.lines().each(function() {
+          if (this.dom.newLined) {
+            if (!this.textPath)
+              this.attr('x', self.attr('x'))
+
+            if(this.text() == '\n') {
+              blankLineOffset += dy
+            }else{
+              this.attr('dy', dy + blankLineOffset)
+              blankLineOffset = 0
+            }
+          }
+        })
+
+        this.fire('rebuild')
+      }
+
+      return this
+    }
+    // Enable / disable build mode
+  , build: function(build) {
+      this._build = !!build
+      return this
+    }
+    // overwrite method from parent to set data properly
+  , setData: function(o){
+      this.dom = o
+      this.dom.leading = new SVG.Number(o.leading || 1.3)
+      return this
+    }
+  }
+
+  // Add parent method
+, construct: {
+    // Create text element
+    text: function(text) {
+      return this.put(new SVG.Text).text(text)
+    }
+    // Create plain text element
+  , plain: function(text) {
+      return this.put(new SVG.Text).plain(text)
+    }
+  }
+
+})
+
+SVG.Tspan = SVG.invent({
+  // Initialize node
+  create: 'tspan'
+
+  // Inherit from
+, inherit: SVG.Shape
+
+  // Add class methods
+, extend: {
+    // Set text content
+    text: function(text) {
+      if(text == null) return this.node.textContent + (this.dom.newLined ? '\n' : '')
+
+      typeof text === 'function' ? text.call(this, this) : this.plain(text)
+
+      return this
+    }
+    // Shortcut dx
+  , dx: function(dx) {
+      return this.attr('dx', dx)
+    }
+    // Shortcut dy
+  , dy: function(dy) {
+      return this.attr('dy', dy)
+    }
+    // Create new line
+  , newLine: function() {
+      // fetch text parent
+      var t = this.parent(SVG.Text)
+
+      // mark new line
+      this.dom.newLined = true
+
+      // apply new hy¡n
+      return this.dy(t.dom.leading * t.attr('font-size')).attr('x', t.x())
+    }
+  }
+
+})
+
+SVG.extend(SVG.Text, SVG.Tspan, {
+  // Create plain text node
+  plain: function(text) {
+    // clear if build mode is disabled
+    if (this._build === false)
+      this.clear()
+
+    // create text node
+    this.node.appendChild(document.createTextNode(text))
+
+    return this
+  }
+  // Create a tspan
+, tspan: function(text) {
+    var node  = (this.textPath && this.textPath() || this).node
+      , tspan = new SVG.Tspan
+
+    // clear if build mode is disabled
+    if (this._build === false)
+      this.clear()
+
+    // add new tspan
+    node.appendChild(tspan.node)
+
+    return tspan.text(text)
+  }
+  // Clear all lines
+, clear: function() {
+    var node = (this.textPath && this.textPath() || this).node
+
+    // remove existing child nodes
+    while (node.hasChildNodes())
+      node.removeChild(node.lastChild)
+
+    return this
+  }
+  // Get length of text element
+, length: function() {
+    return this.node.getComputedTextLength()
+  }
+})
+
+SVG.TextPath = SVG.invent({
+  // Initialize node
+  create: 'textPath'
+
+  // Inherit from
+, inherit: SVG.Parent
+
+  // Define parent class
+, parent: SVG.Text
+
+  // Add parent method
+, construct: {
+    // Create path for text to run on
+    path: function(d) {
+      // create textPath element
+      var path  = new SVG.TextPath
+        , track = this.doc().defs().path(d)
+
+      // move lines to textpath
+      while (this.node.hasChildNodes())
+        path.node.appendChild(this.node.firstChild)
+
+      // add textPath element as child node
+      this.node.appendChild(path.node)
+
+      // link textPath to path and add content
+      path.attr('href', '#' + track, SVG.xlink)
+
+      return this
+    }
+    // Plot path if any
+  , plot: function(d) {
+      var track = this.track()
+
+      if (track)
+        track.plot(d)
+
+      return this
+    }
+    // Get the path track element
+  , track: function() {
+      var path = this.textPath()
+
+      if (path)
+        return path.reference('href')
+    }
+    // Get the textPath child
+  , textPath: function() {
+      if (this.node.firstChild && this.node.firstChild.nodeName == 'textPath')
+        return SVG.adopt(this.node.firstChild)
+    }
+  }
+})
+SVG.Nested = SVG.invent({
+  // Initialize node
+  create: function() {
+    this.constructor.call(this, SVG.create('svg'))
+
+    this.style('overflow', 'visible')
+  }
+
+  // Inherit from
+, inherit: SVG.Container
+
+  // Add parent method
+, construct: {
+    // Create nested svg document
+    nested: function() {
+      return this.put(new SVG.Nested)
+    }
+  }
+})
+SVG.A = SVG.invent({
+  // Initialize node
+  create: 'a'
+
+  // Inherit from
+, inherit: SVG.Container
+
+  // Add class methods
+, extend: {
+    // Link url
+    to: function(url) {
+      return this.attr('href', url, SVG.xlink)
+    }
+    // Link show attribute
+  , show: function(target) {
+      return this.attr('show', target, SVG.xlink)
+    }
+    // Link target attribute
+  , target: function(target) {
+      return this.attr('target', target)
+    }
+  }
+
+  // Add parent method
+, construct: {
+    // Create a hyperlink element
+    link: function(url) {
+      return this.put(new SVG.A).to(url)
+    }
+  }
+})
+
+SVG.extend(SVG.Element, {
+  // Create a hyperlink element
+  linkTo: function(url) {
+    var link = new SVG.A
+
+    if (typeof url == 'function')
+      url.call(link, link)
+    else
+      link.to(url)
+
+    return this.parent().put(link).put(this)
+  }
+
+})
+SVG.Marker = SVG.invent({
+  // Initialize node
+  create: 'marker'
+
+  // Inherit from
+, inherit: SVG.Container
+
+  // Add class methods
+, extend: {
+    // Set width of element
+    width: function(width) {
+      return this.attr('markerWidth', width)
+    }
+    // Set height of element
+  , height: function(height) {
+      return this.attr('markerHeight', height)
+    }
+    // Set marker refX and refY
+  , ref: function(x, y) {
+      return this.attr('refX', x).attr('refY', y)
+    }
+    // Update marker
+  , update: function(block) {
+      // remove all content
+      this.clear()
+
+      // invoke passed block
+      if (typeof block == 'function')
+        block.call(this, this)
+
+      return this
+    }
+    // Return the fill id
+  , toString: function() {
+      return 'url(#' + this.id() + ')'
+    }
+  }
+
+  // Add parent method
+, construct: {
+    marker: function(width, height, block) {
+      // Create marker element in defs
+      return this.defs().marker(width, height, block)
+    }
+  }
+
+})
+
+SVG.extend(SVG.Defs, {
+  // Create marker
+  marker: function(width, height, block) {
+    // Set default viewbox to match the width and height, set ref to cx and cy and set orient to auto
+    return this.put(new SVG.Marker)
+      .size(width, height)
+      .ref(width / 2, height / 2)
+      .viewbox(0, 0, width, height)
+      .attr('orient', 'auto')
+      .update(block)
+  }
+
+})
+
+SVG.extend(SVG.Line, SVG.Polyline, SVG.Polygon, SVG.Path, {
+  // Create and attach markers
+  marker: function(marker, width, height, block) {
+    var attr = ['marker']
+
+    // Build attribute name
+    if (marker != 'all') attr.push(marker)
+    attr = attr.join('-')
+
+    // Set marker attribute
+    marker = arguments[1] instanceof SVG.Marker ?
+      arguments[1] :
+      this.doc().marker(width, height, block)
+
+    return this.attr(attr, marker)
+  }
+
+})
+// Define list of available attributes for stroke and fill
+var sugar = {
+  stroke: ['color', 'width', 'opacity', 'linecap', 'linejoin', 'miterlimit', 'dasharray', 'dashoffset']
+, fill:   ['color', 'opacity', 'rule']
+, prefix: function(t, a) {
+    return a == 'color' ? t : t + '-' + a
+  }
+}
+
+// Add sugar for fill and stroke
+;['fill', 'stroke'].forEach(function(m) {
+  var i, extension = {}
+
+  extension[m] = function(o) {
+    if (typeof o == 'string' || SVG.Color.isRgb(o) || (o && typeof o.fill === 'function'))
+      this.attr(m, o)
+
+    else
+      // set all attributes from sugar.fill and sugar.stroke list
+      for (i = sugar[m].length - 1; i >= 0; i--)
+        if (o[sugar[m][i]] != null)
+          this.attr(sugar.prefix(m, sugar[m][i]), o[sugar[m][i]])
+
+    return this
+  }
+
+  SVG.extend(SVG.Element, SVG.FX, extension)
+
+})
+
+SVG.extend(SVG.Element, SVG.FX, {
+  // Map rotation to transform
+  rotate: function(d, cx, cy) {
+    return this.transform({ rotation: d, cx: cx, cy: cy })
+  }
+  // Map skew to transform
+, skew: function(x, y, cx, cy) {
+    return this.transform({ skewX: x, skewY: y, cx: cx, cy: cy })
+  }
+  // Map scale to transform
+, scale: function(x, y, cx, cy) {
+    return arguments.length == 1  || arguments.length == 3 ?
+      this.transform({ scale: x, cx: y, cy: cx }) :
+      this.transform({ scaleX: x, scaleY: y, cx: cx, cy: cy })
+  }
+  // Map translate to transform
+, translate: function(x, y) {
+    return this.transform({ x: x, y: y })
+  }
+  // Map flip to transform
+, flip: function(a, o) {
+    return this.transform({ flip: a, offset: o })
+  }
+  // Map matrix to transform
+, matrix: function(m) {
+    return this.attr('transform', new SVG.Matrix(m))
+  }
+  // Opacity
+, opacity: function(value) {
+    return this.attr('opacity', value)
+  }
+  // Relative move over x axis
+, dx: function(x) {
+    return this.x((this instanceof SVG.FX ? 0 : this.x()) + x, true)
+  }
+  // Relative move over y axis
+, dy: function(y) {
+    return this.y((this instanceof SVG.FX ? 0 : this.y()) + y, true)
+  }
+  // Relative move over x and y axes
+, dmove: function(x, y) {
+    return this.dx(x).dy(y)
+  }
+})
+
+SVG.extend(SVG.Rect, SVG.Ellipse, SVG.Circle, SVG.Gradient, SVG.FX, {
+  // Add x and y radius
+  radius: function(x, y) {
+    var type = (this._target || this).type;
+    return type == 'radial' || type == 'circle' ?
+      this.attr('r', new SVG.Number(x)) :
+      this.rx(x).ry(y == null ? x : y)
+  }
+})
+
+SVG.extend(SVG.Path, {
+  // Get path length
+  length: function() {
+    return this.node.getTotalLength()
+  }
+  // Get point at length
+, pointAt: function(length) {
+    return this.node.getPointAtLength(length)
+  }
+})
+
+SVG.extend(SVG.Parent, SVG.Text, SVG.FX, {
+  // Set font
+  font: function(o) {
+    for (var k in o)
+      k == 'leading' ?
+        this.leading(o[k]) :
+      k == 'anchor' ?
+        this.attr('text-anchor', o[k]) :
+      k == 'size' || k == 'family' || k == 'weight' || k == 'stretch' || k == 'variant' || k == 'style' ?
+        this.attr('font-'+ k, o[k]) :
+        this.attr(k, o[k])
+
+    return this
+  }
+})
+
+
+SVG.Set = SVG.invent({
+  // Initialize
+  create: function(members) {
+    // Set initial state
+    Array.isArray(members) ? this.members = members : this.clear()
+  }
+
+  // Add class methods
+, extend: {
+    // Add element to set
+    add: function() {
+      var i, il, elements = [].slice.call(arguments)
+
+      for (i = 0, il = elements.length; i < il; i++)
+        this.members.push(elements[i])
+
+      return this
+    }
+    // Remove element from set
+  , remove: function(element) {
+      var i = this.index(element)
+
+      // remove given child
+      if (i > -1)
+        this.members.splice(i, 1)
+
+      return this
+    }
+    // Iterate over all members
+  , each: function(block) {
+      for (var i = 0, il = this.members.length; i < il; i++)
+        block.apply(this.members[i], [i, this.members])
+
+      return this
+    }
+    // Restore to defaults
+  , clear: function() {
+      // initialize store
+      this.members = []
+
+      return this
+    }
+    // Get the length of a set
+  , length: function() {
+      return this.members.length
+    }
+    // Checks if a given element is present in set
+  , has: function(element) {
+      return this.index(element) >= 0
+    }
+    // retuns index of given element in set
+  , index: function(element) {
+      return this.members.indexOf(element)
+    }
+    // Get member at given index
+  , get: function(i) {
+      return this.members[i]
+    }
+    // Get first member
+  , first: function() {
+      return this.get(0)
+    }
+    // Get last member
+  , last: function() {
+      return this.get(this.members.length - 1)
+    }
+    // Default value
+  , valueOf: function() {
+      return this.members
+    }
+    // Get the bounding box of all members included or empty box if set has no items
+  , bbox: function(){
+      var box = new SVG.BBox()
+
+      // return an empty box of there are no members
+      if (this.members.length == 0)
+        return box
+
+      // get the first rbox and update the target bbox
+      var rbox = this.members[0].rbox()
+      box.x      = rbox.x
+      box.y      = rbox.y
+      box.width  = rbox.width
+      box.height = rbox.height
+
+      this.each(function() {
+        // user rbox for correct position and visual representation
+        box = box.merge(this.rbox())
+      })
+
+      return box
+    }
+  }
+
+  // Add parent method
+, construct: {
+    // Create a new set
+    set: function(members) {
+      return new SVG.Set(members)
+    }
+  }
+})
+
+SVG.FX.Set = SVG.invent({
+  // Initialize node
+  create: function(set) {
+    // store reference to set
+    this.set = set
+  }
+
+})
+
+// Alias methods
+SVG.Set.inherit = function() {
+  var m
+    , methods = []
+
+  // gather shape methods
+  for(var m in SVG.Shape.prototype)
+    if (typeof SVG.Shape.prototype[m] == 'function' && typeof SVG.Set.prototype[m] != 'function')
+      methods.push(m)
+
+  // apply shape aliasses
+  methods.forEach(function(method) {
+    SVG.Set.prototype[method] = function() {
+      for (var i = 0, il = this.members.length; i < il; i++)
+        if (this.members[i] && typeof this.members[i][method] == 'function')
+          this.members[i][method].apply(this.members[i], arguments)
+
+      return method == 'animate' ? (this.fx || (this.fx = new SVG.FX.Set(this))) : this
+    }
+  })
+
+  // clear methods for the next round
+  methods = []
+
+  // gather fx methods
+  for(var m in SVG.FX.prototype)
+    if (typeof SVG.FX.prototype[m] == 'function' && typeof SVG.FX.Set.prototype[m] != 'function')
+      methods.push(m)
+
+  // apply fx aliasses
+  methods.forEach(function(method) {
+    SVG.FX.Set.prototype[method] = function() {
+      for (var i = 0, il = this.set.members.length; i < il; i++)
+        this.set.members[i].fx[method].apply(this.set.members[i].fx, arguments)
+
+      return this
+    }
+  })
+}
+
+
+
+
+SVG.extend(SVG.Element, {
+  // Store data values on svg nodes
+  data: function(a, v, r) {
+    if (typeof a == 'object') {
+      for (v in a)
+        this.data(v, a[v])
+
+    } else if (arguments.length < 2) {
+      try {
+        return JSON.parse(this.attr('data-' + a))
+      } catch(e) {
+        return this.attr('data-' + a)
+      }
+
+    } else {
+      this.attr(
+        'data-' + a
+      , v === null ?
+          null :
+        r === true || typeof v === 'string' || typeof v === 'number' ?
+          v :
+          JSON.stringify(v)
+      )
+    }
+
+    return this
+  }
+})
+SVG.extend(SVG.Element, {
+  // Remember arbitrary data
+  remember: function(k, v) {
+    // remember every item in an object individually
+    if (typeof arguments[0] == 'object')
+      for (var v in k)
+        this.remember(v, k[v])
+
+    // retrieve memory
+    else if (arguments.length == 1)
+      return this.memory()[k]
+
+    // store memory
+    else
+      this.memory()[k] = v
+
+    return this
+  }
+
+  // Erase a given memory
+, forget: function() {
+    if (arguments.length == 0)
+      this._memory = {}
+    else
+      for (var i = arguments.length - 1; i >= 0; i--)
+        delete this.memory()[arguments[i]]
+
+    return this
+  }
+
+  // Initialize or return local memory object
+, memory: function() {
+    return this._memory || (this._memory = {})
+  }
+
+})
+// Method for getting an element by id
+SVG.get = function(id) {
+  var node = document.getElementById(idFromReference(id) || id)
+  return SVG.adopt(node)
+}
+
+// Select elements by query string
+SVG.select = function(query, parent) {
+  return new SVG.Set(
+    SVG.utils.map((parent || document).querySelectorAll(query), function(node) {
+      return SVG.adopt(node)
+    })
+  )
+}
+
+SVG.extend(SVG.Parent, {
+  // Scoped select method
+  select: function(query) {
+    return SVG.select(query, this.node)
+  }
+
+})
+function is(el, obj){
+  return el instanceof obj
+}
+
+// tests if a given selector matches an element
+function matches(el, selector) {
+  return (el.matches || el.matchesSelector || el.msMatchesSelector || el.mozMatchesSelector || el.webkitMatchesSelector || el.oMatchesSelector).call(el, selector);
+}
+
+// Convert dash-separated-string to camelCase
+function camelCase(s) {
+  return s.toLowerCase().replace(/-(.)/g, function(m, g) {
+    return g.toUpperCase()
+  })
+}
+
+// Capitalize first letter of a string
+function capitalize(s) {
+  return s.charAt(0).toUpperCase() + s.slice(1)
+}
+
+// Ensure to six-based hex
+function fullHex(hex) {
+  return hex.length == 4 ?
+    [ '#',
+      hex.substring(1, 2), hex.substring(1, 2)
+    , hex.substring(2, 3), hex.substring(2, 3)
+    , hex.substring(3, 4), hex.substring(3, 4)
+    ].join('') : hex
+}
+
+// Component to hex value
+function compToHex(comp) {
+  var hex = comp.toString(16)
+  return hex.length == 1 ? '0' + hex : hex
+}
+
+// Calculate proportional width and height values when necessary
+function proportionalSize(element, width, height) {
+  if (width == null || height == null) {
+    var box = element.bbox()
+
+    if (width == null)
+      width = box.width / box.height * height
+    else if (height == null)
+      height = box.height / box.width * width
+  }
+
+  return {
+    width:  width
+  , height: height
+  }
+}
+
+// Delta transform point
+function deltaTransformPoint(matrix, x, y) {
+  return {
+    x: x * matrix.a + y * matrix.c + 0
+  , y: x * matrix.b + y * matrix.d + 0
+  }
+}
+
+// Map matrix array to object
+function arrayToMatrix(a) {
+  return { a: a[0], b: a[1], c: a[2], d: a[3], e: a[4], f: a[5] }
+}
+
+// Parse matrix if required
+function parseMatrix(matrix) {
+  if (!(matrix instanceof SVG.Matrix))
+    matrix = new SVG.Matrix(matrix)
+
+  return matrix
+}
+
+// Add centre point to transform object
+function ensureCentre(o, target) {
+  o.cx = o.cx == null ? target.bbox().cx : o.cx
+  o.cy = o.cy == null ? target.bbox().cy : o.cy
+}
+
+// Convert string to matrix
+function stringToMatrix(source) {
+  // remove matrix wrapper and split to individual numbers
+  source = source
+    .replace(SVG.regex.whitespace, '')
+    .replace(SVG.regex.matrix, '')
+    .split(SVG.regex.matrixElements)
+
+  // convert string values to floats and convert to a matrix-formatted object
+  return arrayToMatrix(
+    SVG.utils.map(source, function(n) {
+      return parseFloat(n)
+    })
+  )
+}
+
+// Calculate position according to from and to
+function at(o, pos) {
+  // number recalculation (don't bother converting to SVG.Number for performance reasons)
+  return typeof o.from == 'number' ?
+    o.from + (o.to - o.from) * pos :
+
+  // instance recalculation
+  o instanceof SVG.Color || o instanceof SVG.Number || o instanceof SVG.Matrix ? o.at(pos) :
+
+  // for all other values wait until pos has reached 1 to return the final value
+  pos < 1 ? o.from : o.to
+}
+
+// PathArray Helpers
+function arrayToString(a) {
+  for (var i = 0, il = a.length, s = ''; i < il; i++) {
+    s += a[i][0]
+
+    if (a[i][1] != null) {
+      s += a[i][1]
+
+      if (a[i][2] != null) {
+        s += ' '
+        s += a[i][2]
+
+        if (a[i][3] != null) {
+          s += ' '
+          s += a[i][3]
+          s += ' '
+          s += a[i][4]
+
+          if (a[i][5] != null) {
+            s += ' '
+            s += a[i][5]
+            s += ' '
+            s += a[i][6]
+
+            if (a[i][7] != null) {
+              s += ' '
+              s += a[i][7]
+            }
+          }
+        }
+      }
+    }
+  }
+
+  return s + ' '
+}
+
+// Deep new id assignment
+function assignNewId(node) {
+  // do the same for SVG child nodes as well
+  for (var i = node.childNodes.length - 1; i >= 0; i--)
+    if (node.childNodes[i] instanceof SVGElement)
+      assignNewId(node.childNodes[i])
+
+  return SVG.adopt(node).id(SVG.eid(node.nodeName))
+}
+
+// Add more bounding box properties
+function fullBox(b) {
+  if (b.x == null) {
+    b.x      = 0
+    b.y      = 0
+    b.width  = 0
+    b.height = 0
+  }
+
+  b.w  = b.width
+  b.h  = b.height
+  b.x2 = b.x + b.width
+  b.y2 = b.y + b.height
+  b.cx = b.x + b.width / 2
+  b.cy = b.y + b.height / 2
+
+  return b
+}
+
+// Get id from reference string
+function idFromReference(url) {
+  var m = url.toString().match(SVG.regex.reference)
+
+  if (m) return m[1]
+}
+
+// Create matrix array for looping
+var abcdef = 'abcdef'.split('')
+// Add CustomEvent to IE9 and IE10
+if (typeof CustomEvent !== 'function') {
+  // Code from: https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent
+  var CustomEvent = function(event, options) {
+    options = options || { bubbles: false, cancelable: false, detail: undefined }
+    var e = document.createEvent('CustomEvent')
+    e.initCustomEvent(event, options.bubbles, options.cancelable, options.detail)
+    return e
+  }
+
+  CustomEvent.prototype = window.Event.prototype
+
+  window.CustomEvent = CustomEvent
+}
+
+// requestAnimationFrame / cancelAnimationFrame Polyfill with fallback based on Paul Irish
+(function(w) {
+  var lastTime = 0
+  var vendors = ['moz', 'webkit']
+
+  for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
+    w.requestAnimationFrame = w[vendors[x] + 'RequestAnimationFrame']
+    w.cancelAnimationFrame  = w[vendors[x] + 'CancelAnimationFrame'] ||
+                              w[vendors[x] + 'CancelRequestAnimationFrame']
+  }
+
+  w.requestAnimationFrame = w.requestAnimationFrame ||
+    function(callback) {
+      var currTime = new Date().getTime()
+      var timeToCall = Math.max(0, 16 - (currTime - lastTime))
+
+      var id = w.setTimeout(function() {
+        callback(currTime + timeToCall)
+      }, timeToCall)
+
+      lastTime = currTime + timeToCall
+      return id
+    }
+
+  w.cancelAnimationFrame = w.cancelAnimationFrame || w.clearTimeout;
+
+}(window))
+
+return SVG
+
+}));
\ No newline at end of file
diff --git a/dist/svg.min.js b/dist/svg.min.js
new file mode 100644
index 0000000..ac46b13
--- /dev/null
+++ b/dist/svg.min.js
@@ -0,0 +1,2 @@
+/*! svg.js v2.3.4 MIT*/!function(t,e){"function"==typeof define&&define.amd?define(function(){return e(t,t.document)}):"object"==typeof exports?module.exports=t.document?e(t,t.document):function(t){return e(t,t.document)}:t.SVG=e(t,t.document)}("undefined"!=typeof window?window:this,function(t,e){function i(t,e){return t instanceof e}function n(t,e){return(t.matches||t.matchesSelector||t.msMatchesSelector||t.mozMatchesSelector||t.webkitMatchesSelector||t.oMatchesSelector).call(t,e)}function r(t){return t.toLowerCase().replace(/-(.)/g,function(t,e){return e.toUpperCase()})}function s(t){return t.charAt(0).toUpperCase()+t.slice(1)}function a(t){return 4==t.length?["#",t.substring(1,2),t.substring(1,2),t.substring(2,3),t.substring(2,3),t.substring(3,4),t.substring(3,4)].join(""):t}function o(t){var e=t.toString(16);return 1==e.length?"0"+e:e}function h(t,e,i){if(null==e||null==i){var n=t.bbox();null==e?e=n.width/n.height*i:null==i&&(i=n.height/n.width*e)}return{width:e,height:i}}function u(t,e,i){return{x:e*t.a+i*t.c+0,y:e*t.b+i*t.d+0}}function l(t){return{a:t[0],b:t[1],c:t[2],d:t[3],e:t[4],f:t[5]}}function c(t){return t instanceof y.Matrix||(t=new y.Matrix(t)),t}function f(t,e){t.cx=null==t.cx?e.bbox().cx:t.cx,t.cy=null==t.cy?e.bbox().cy:t.cy}function d(t){return t=t.replace(y.regex.whitespace,"").replace(y.regex.matrix,"").split(y.regex.matrixElements),l(y.utils.map(t,function(t){return parseFloat(t)}))}function p(t){for(var e=0,i=t.length,n="";e<i;e++)n+=t[e][0],null!=t[e][1]&&(n+=t[e][1],null!=t[e][2]&&(n+=" ",n+=t[e][2],null!=t[e][3]&&(n+=" ",n+=t[e][3],n+=" ",n+=t[e][4],null!=t[e][5]&&(n+=" ",n+=t[e][5],n+=" ",n+=t[e][6],null!=t[e][7]&&(n+=" ",n+=t[e][7])))));return n+" "}function m(t){for(var e=t.childNodes.length-1;e>=0;e--)t.childNodes[e]instanceof SVGElement&&m(t.childNodes[e]);return y.adopt(t).id(y.eid(t.nodeName))}function x(t){return null==t.x&&(t.x=0,t.y=0,t.width=0,t.height=0),t.w=t.width,t.h=t.height,t.x2=t.x+t.width,t.y2=t.y+t.height,t.cx=t.x+t.width/2,t.cy=t.y+t.height/2,t}function v(t){var e=t.toString().match(y.regex.reference);if(e)return e[1]}var y=this.SVG=function(t){if(y.supported)return t=new y.Doc(t),y.parser.draw||y.prepare(),t};if(y.ns="http://www.w3.org/2000/svg",y.xmlns="http://www.w3.org/2000/xmlns/",y.xlink="http://www.w3.org/1999/xlink",y.svgjs="http://svgjs.com/svgjs",y.supported=function(){return!!e.createElementNS&&!!e.createElementNS(y.ns,"svg").createSVGRect}(),!y.supported)return!1;y.did=1e3,y.eid=function(t){return"Svgjs"+s(t)+y.did++},y.create=function(t){var i=e.createElementNS(this.ns,t);return i.setAttribute("id",this.eid(t)),i},y.extend=function(){var t,e,i,n;for(t=[].slice.call(arguments),e=t.pop(),n=t.length-1;n>=0;n--)if(t[n])for(i in e)t[n].prototype[i]=e[i];y.Set&&y.Set.inherit&&y.Set.inherit()},y.invent=function(t){var e="function"==typeof 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