<?xml version="1.0" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1 Basic//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11-basic.dtd">
<svg version="1.1" baseProfile="basic" id="svg-root" width="100%" height="100%" viewBox="0 0 480 360"
     xmlns:xlink="http://www.w3.org/1999/xlink"
     xmlns="http://www.w3.org/2000/svg" onload="myfunc()">
     <script>
     	function myfunc() {
     		var myRect = document.getElementById("rect");
     		myRect.setAttribute("d", "M5 260 C40 260 60 175  55 160 c  -5  15 15 100 50 100Z");
     	}
     </script>
	<path id="rect" d="M 100 100 L 300 100 L 200 300 z" fill="red" />
	<rect id="test-frame" x="1" y="1" width="478" height="358" fill="none" stroke="#000000"/>
</svg>