code: protected StringBuffer getHeaderSection(HttpServletRequest request){
  	
  		StringBuffer sb = super.getHeaderSection(request);
  		if(null != this.config.getDwrMapping()){
  			sb.append(DWRParamWriter.buildDWRJSParams(request.getContextPath(),PathNormalizer.joinPaths(request.getContextPath(),  
  																						 			this.config.getDwrMapping())));
  			sb.append("if(!window.DWR)window.DWR={};\nDWR.loader = JAWR.loader;\n");
  		}
  		return sb;
  	}
docs: /* (non-Javadoc)
  @see net.jawr.web.resource.bundle.handler.ClientSideHandlerGeneratorImpl#getHeaderSection(javax.servlet.http.HttpServletRequest)