text: SVG.extend(SVG.Element, {
     // Initialize local memory object
    _memory: {}
  
    // 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
    }
  
  })