//SVG.extend(SVG.Element,SVG.FX,{// Relative move over x axisdx:function(x){returnthis.x((this.target||this).x()+x)}// Relative move over y axis,dy:function(y){returnthis.y((this.target||this).y()+y)}// Relative move over x and y axes,dmove:function(x,y){returnthis.dx(x).dy(y)}})