자바스크립트 실행을 위아래 두번 나오게 할수 있을까요?

<script>
            var Page = (function() {
                
                var config = {
                        $bookBlock : $( '#bb-bookblock' ),
                        $navNext : $( '#bb-nav-next' ),
                        $navPrev : $( '#bb-nav-prev' ),
                        $navFirst : $( '#bb-nav-first' ),
                        $navLast : $( '#bb-nav-last' )
                    },
                    init = function() {
                        config.$bookBlock.bookblock( {
                            speed : 800,
                            shadowSides : 0.8,
                            shadowFlip : 0.7
                        } );
                        initEvents();
                    },
                    initEvents = function() {
                        
                        var $slides = config.$bookBlock.children();

                        // add navigation events
                        config.$navNext.on( 'click touchstart', function() {
                            config.$bookBlock.bookblock( 'next' );
                            return false;
                        } );

                        config.$navPrev.on( 'click touchstart', function() {
                            config.$bookBlock.bookblock( 'prev' );
                            return false;
                        } );

                        config.$navFirst.on( 'click touchstart', function() {
                            config.$bookBlock.bookblock( 'first' );
                            return false;
                        } );

                        config.$navLast.on( 'click touchstart', function() {
                            config.$bookBlock.bookblock( 'last' );
                            return false;
                        } );
                        
                        // add swipe events
                        $slides.on( {
                            'swipeleft' : function( event ) {
                                config.$bookBlock.bookblock( 'next' );
                                return false;
                            },
                            'swiperight' : function( event ) {
                                config.$bookBlock.bookblock( 'prev' );
                                return false;
                            }
                        } );

                        // add keyboard events
                        $( document ).keydown( function(e) {
                            var keyCode = e.keyCode || e.which,
                                arrow = {
                                    left : 37,
                                    up : 38,
                                    right : 39,
                                    down : 40
                                };

                            switch (keyCode) {
                                case arrow.left:
                                    config.$bookBlock.bookblock( 'prev' );
                                    break;
                                case arrow.right:
                                    config.$bookBlock.bookblock( 'next' );
                                    break;
                            }
                        } );
                    };

                    return { init : init };

            })();