DOM.setElementAttribute(rootNode, "viewBox", "0 0 " + sWidth + " " + sHeight);
DOM.setElementAttribute(rootNode, "xml:base", GWT.getHostPageBaseURL());
helper = new DomHelper(rootNode, Namespace.SVG);
// Point style definitions:
defsGroup = new Composite("style_defs");
defs = helper.drawGroup(null, defsGroup, "defs");
// Append to parent: we need a top div or the svg is blocked by any peer div !!!
Element divNode = DOM.createElementNS(DOM.NS_HTML, "div");
DOM.setStyleAttribute(divNode, "position", "absolute");