document.namespaces.add('v', 'urn:schemas-microsoft-com:vml' );
document.createStyleSheet().cssText = 'v\\:group,v\\:rect{behavior:url(#default#VML)}';
var a = document.createElement("v:group");
a.style.width = "200px";
a.style.height = "300px";
var b = document.createElement("v:rect");
b.style.width = "100px";
b.style.height = "50px";
b.strokecolor = "#000000";
b.fillcolor = "#ffffff";
a.appendChild(b);
document.body.appendChild(a);