window.addEvent('domready', function() {

new SmoothScroll({duration: 1000});	

});
var divs = [];
showThem = function(div, koncentr) {
    div = $(div);
    if (!div) return;
    divs.include(div);
    if (div.getStyle('display') == 'none') {
        div.setStyles({
            display: 'block',
            opacity: 0
        })
    }
    if (div.status == 'show') {
        div.status = 'hide';
        var myShow = new Fx.Style(div, 'opacity', {
            duration: 400
        });
        myShow.stop();
        myShow.start(div.getStyle('opacity'), 0)
    } else {
        divs.each(function(prva) {
            if (prva != div && prva.status == 'show') {
                prva.status = 'hide';
                var myShow = new Fx.Style(prva, 'opacity', {
                    duration: 400
                });
                myShow.stop();
                myShow.start(prva.getStyle('opacity'), 0)
            }
        },
        this);
        div.status = 'show';
        var myShow = new Fx.Style(div, 'opacity', {
            onComplete: function() {
                if ($(koncentr)) $(koncentr).focus()
            }
        });
        myShow.stop();
        myShow.start(div.getStyle('opacity'), 1)
    }
}