var slider = function() {
    var array = []; var arrayCouple = []; var speed = 2; var timer = 10;
    return {
        init: function(t, c) {
            var s, ds, l, i, y;
            s = document.getElementById(t); ds = s.getElementsByTagName('div'); l = ds.length; i = y = 0;
            for (i = 0; i < l; i++) {
                var d, did; d = ds[i]; did = d.id;
                if (did.indexOf("couple") != -1) {
                    y++; d.onclick = new Function("slider.process(this)");
                     arrayCouple.push(d);
                     if(c==y){jscss('swap',d,'close','open');}
                } else if (did.indexOf("content") != -1) {
                    array.push(did); d.maxh = d.offsetHeight;
                   
                    if (c != y) { d.style.height = '0px'; d.style.display = 'none'}
                    else {
                        d.style.display = 'block';
                    } 
                }
            }
        },
        process: function(d) {
            var cl, i; cl = array.length; i = 0;
            jscss('swap',d,'open','close');
            for (i; i < cl; i++) {
                var s, h, c, cd;
                s = array[i];
                z = arrayCouple[i];
                h = document.getElementById(s.replace("content", "couple"));
                c = s;
                cd = document.getElementById(c); clearInterval(cd.timer);
                if (h == d && cd.style.display == 'none') {
                    cd.style.display = 'block'; this.islide(c, 1);   
                } else if (cd.style.display == 'block') {
                     this.islide(c, -1);
                        if(jscss('check',z,'open'))
                        {
                            jscss('swap',z,'open','close');
                        } 
                }
            }
        },
        islide: function(i, d) { var c, m; c = document.getElementById(i); m = c.maxh; c.direction = d; c.timer = setInterval("slider.slide('" + i + "')", timer); },
        slide: function(i) {
            var c, m, h, dist; c = document.getElementById(i); m = c.maxh; h = c.offsetHeight;
            dist = (c.direction == 1) ? Math.round((m - h) / speed) : Math.round(h / speed);
            if (dist <= 1) { dist = 1 }
            c.style.height = h + (dist * c.direction) + 'px'; c.style.opacity = h / c.maxh; c.style.filter = 'alpha(opacity=' + (h * 100 / c.maxh) + ')';
           
            if (h < 2 && c.direction != 1) {
                c.style.display = 'none'; clearInterval(c.timer);
            } else if (h > (m - 2) && c.direction == 1) { clearInterval(c.timer);  }
        }
    };
} ();