example/js/svg.js
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)
  }
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)
  }
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 ) }
Add x and y radius
Add x and y radius