This is part of the SVG Tutorial and exercises drawing an ellipse in SVG.
function ellipse() {
var draw = SVG('ellipse_1');
draw.size(200, 100);
var ellipse = draw.ellipse(140, 70).attr({
'fill' : '#32AD4F',
'stroke' : '#723891',
'stroke-width' : '3px'
});
ellipse.dx(5).dy(5);
}
ellipse();