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++) { 
li[i].style.backgroundImage = 'url(' + li[i].getElementsByTagName('img')[0].src + ')'; 
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(); 
});