code: public String makeUrlAbsolute(String url) {
  		String href = url;
  		if (href.indexOf(':') <= 0) {
  			// SVG in Chrome can't handle relative paths (the xml:base attribute has not yet been tested):
  			href = GWT.getHostPageBaseURL() + href;
  		} else if (href.startsWith(CLASSPATH_URL_PREFIX)) {
  			href = GWT.getHostPageBaseURL() + "d/resource/" + href.substring(CLASSPATH_URL_PREFIX.length());
  		}
  		return href;
  	}
docs: Convert a URL to an absolute URL. This assumes the page is at the application root.
  <p/>
  It converts relative URLs by prepending the HostPageBaseURL and converts classpath resources to use the resource
  dispatcher.
  
  @param url
  URL to convert
  @return converted URL