var FPHL = {

    currentPosition: 0,
    pageWidth: 900,

    init: function() {

        _pagesHL = $('.highlightpage');
        _numberOfPagesInHL = _pagesHL.length;

        // Append Left/Right-turn anchor

        $('#browsehighlights').html('');

        $('#hlleft').html('');
        $('#hlright').html('');
        $('#hlleft').append('<span class="HLturnpage" id="HLturnleft">&nbsp;</span>');
        $('#hlright').append('<span class="HLturnpage" id="HLturnright">&nbsp;</span>');

        // Hide Left-turn on first load

        FPHL.manageTurns(_numberOfPagesInHL);

        $('.HLturnpage').bind('click', function() {

            FPHL.currentPosition = ($(this).attr('id')=='HLturnright') ? FPHL.currentPosition+1 : FPHL.currentPosition-1;

            FPHL.manageTurns(_numberOfPagesInHL);

            $('#highlightwrapper').animate(
                { 'marginLeft' : FPHL.pageWidth*(-FPHL.currentPosition) }
            );

        });

    },

    manageTurns: function(_numberOfPagesInHL) {

        if(FPHL.currentPosition==0)
        {
            $('#HLturnleft').hide();
        }
        else
        {
            $('#HLturnleft').show()
        }
        if(FPHL.currentPosition==_numberOfPagesInHL-1)
        {
            $('#HLturnright').hide()
        }
        else
        {
            $('#HLturnright').show()
        }

    }

    // ...

}