code: function (id_base) {
          var p = this.paginator;
  
          // Set up container
          this.container = document.createElement('span');
          this.container.id        = id_base + '-pages';
          this.container.className = p.get('pageLinksContainerClass');
          YAHOO.util.Event.on(this.container,'click',this.onClick,this,true);
  
          // Call update, flagging a need to rebuild
          this.update({newValue : null, rebuild : true});
  
          return this.container;
      }
docs: Generate the nodes and return the container node containing page links
  appropriate to the current pagination state.
  @method render
  @param id_base {string} used to create unique ids for generated nodes
  @return {HTMLElement}