var gal = {
    init : function() {
        if (!document.getElementById || !document.createElement || !document.appendChild) return false;
//        if (document.getElementById('gallery')) document.getElementById('gallery').id = 'jgal';
		if (document.getElementById('jgal')==null) return false;
        var li = document.getElementById('jgal').getElementsByTagName('li');
        li[0].className = 'active';
        for (i=0; i<li.length; i++) {

            gal.addEvent(li[i],'click',function() {
				var img=this.style.backgroundImage;

				img = img.replace('url(', "");
				img = img.replace(')', "");
				document.getElementById('dest_galerie').src=img;
				
                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();
});