// JScript File

var total_pages = 1;
var current_page = 1;
var page_width = 580;

$(document).ready(function() {
    if ($('.photo-thumbs').length > 0) {
        paging_init();
    }
});

function paging_init() {
    total_pages = Math.floor(($('.photo-thumbs > li').size() - 1) / 8) + 1;
    current_page = $('.photo-thumbs a').index($('.photo-thumbs > li > a.current')[0]) ;
    current_page = Math.floor(current_page / 8) + 1;
    page_thumbs(0);
}

function page_thumbs(step)
{
    next_page = current_page + step;
    if (next_page >= 1 && next_page <= total_pages)
    {
        $('.photo-thumbs').css({left: -(next_page-1)*page_width + "px"});
        current_page = next_page;
    }
    
    color_arrow("left",  current_page, 1);
    color_arrow("right", current_page, total_pages);

    return false;
}

function color_arrow(direction, current, limit)
{
    if (current == limit)
        $('#arrow_' + direction).css({visibility: 'hidden'})
    else
        $('#arrow_' + direction).css({visibility: 'visible'});
}