var imgheight = 54;
    var imgs;
    $(document).ready(function(){
        $($('#catalog li')[0]).addClass('first');
        var hr = document.location.href;
        //var reg = /http\:\/{2}[0-9a-z.-]+(\/.*)/;
        var reg = /http\:\/{2}[0-9a-z.-]+(\/[^&]*)/;
        var href = reg.exec(hr);
        $('#menu a[href='+ href[1] +']').attr('id','active')
        if ($('#active').length == 0)
            $($('#menu li')[0]).children().attr('id','active');

        $('.add2cart_handler')
            .bind('click',
                function(){
                    basketButtonClick($(this).attr('rel'));
                })
        $('.inner>div').bind('click', function(){setActive(this)});
        $('.up').bind('click', function(){scrollUp()})
        $('.down').bind('click', function(){scrollDown()})
        imgs = (parseInt($('.inner').css('height'))+2)/imgheight;
        if (imgs <= 3)
            $('.down').css('background-color', '#efefef')
    });
    function basketButtonClick(id){
        $.get('/', {'action':'add_product','ukey':'cart', 'view':'noframe', 'productID':id}, function(data){
            openFadeIFrame(ORIG_LANG_URL + set_query('?ukey=cart&view=noframe'));
        }, 'html')
    }

    function setActive(obj){
        var objid = $(obj).attr('id');
        var id = objid.substr(4,1);
        $('.images .active').attr('class','');
        $('#img_'+id).attr('class','active');
    }

    function scrollUp(){
        var top = parseInt($('.inner').css('top'));
        if (top < 0){
            top += imgheight;
            var str = top+'px';
            $('.inner').css('top',str)
            $('.down').css('background-color', '#d7d7d7')
            if (top == 0)
                $('.up').css('background-color', '#efefef')
        }
    }

    function scrollDown(){
        var top = parseInt($('.inner').css('top'));
        var height = -(imgs-3)*imgheight;
        if (top > height){
            top -= imgheight;
            var str = top+'px';
            $('.inner').css('top',str)
            $('.up').css('background-color', '#d7d7d7')
            if (top == height)
                $('.down').css('background-color', '#efefef')
        }
    }