code: final public WebPage getNextPage(WebSiteRequest req) throws IOException, SQLException {
  		WebPage parent=getParent();
  		if (parent!=null) {
  			WebPage[] myPages=parent.getCachedPages(req);
  			int len=myPages.length;
  			for(int c=0; c<len; c++) {
  				if(myPages[c].getClass() == getClass()) {
  					if (c < (len - 1)) return myPages[c + 1];
  					return null;
  				}
  			}
  		}
  		return null;
  	}
docs: Gets the <code>WebPage</code> that follows this one in the parents
  list of pages.
  
  @return  the <code>WebPage</code> or <code>null</code> if not found