var gal = {
            init : function()
            {
                if (!document.getElementById || !document.createElement || !document.appendChild)
                    return false;
                if (document.getElementById('gallery'))
                    document.getElementById('gallery').id = 'jgal';
                    
                var li = document.getElementById('jgal').getElementsByTagName('li');
                li[0].className = 'active';
                
                for (i = 0; i < li.length; i++)
                {
                    var src = li[i].getElementsByTagName('img')[0].src;
                    
                    var folder = src.match(/sortiment\/\w+\//);
                    var file = src.match(/\w+.jpg/);
                    li[i].style.backgroundImage = 'url(' + folder + 'thumbs/thumb_' + file + ')';
                    li[i].title = li[i].getElementsByTagName('img')[0].alt;
                    
                    gal.addEvent(li[i],'click', function()
                    {
                        var im = document.getElementById('jgal').getElementsByTagName('li');
                        for(j = 0; j < im.length; j++)
                            im[j].className = '';
                        this.className = 'active';
                    });
                }
            },
            
            addEvent : function(obj, type, fn)
            {
                if (obj.addEventListener)
                    obj.addEventListener(type, fn, false);
                else if (obj.attachEvent)
                {
                    obj["e"+type+fn] = fn;
                    obj[type+fn] = function(){
                                                obj["e"+type+fn]( window.event );
                                             }
                    obj.attachEvent("on" + type, obj[type + fn]);
                }
            }
        }

        gal.addEvent(window,'load', function(){
                                                gal.init();
                                              });