docs: function datepicker_bindHover( dpDiv ) {
          var selector = "button, .ui-datepicker-prev, .ui-datepicker-next, .ui-datepicker-calendar td a";
          return dpDiv.on( "mouseout", selector, function() {
              $( this ).removeClass( "ui-state-hover" );
              if ( this.className.indexOf( "ui-datepicker-prev" ) !== -1 ) {
                  $( this ).removeClass( "ui-datepicker-prev-hover" );
              }
              if ( this.className.indexOf( "ui-datepicker-next" ) !== -1 ) {
                  $( this ).removeClass( "ui-datepicker-next-hover" );
              }
          } )
              .on( "mouseover", selector, datepicker_handleMouseover );
      }