rch
        
        table.columns().every( function () {
        var that = this;
        $('input', this.footer() ).on( 'keyup change', function () {
            if (that.search() !== this.value ) {
                that.search(this.value).draw();
            }
        });
    });
    */
    });
</script>
<script type="text/javascript">
    $('body').prepend('<a href="#" class="back-to-top">Back to Top</a>');
    $('body').prepend('<a href="#" class="back-to-bottom">Back to Bottom</a>');

</script>
<script