window.onload=function(){
if(!document.getElementById || !document.getElementsByTagName) return;
links=document.getElementById("minipics").getElementsByTagName("a");
for(i=0;i<links.length;i++)
    links[i].onclick=function(){Show(this);return(false)}
}

function Show(obj){
bigimg=document.getElementById("bigimage");
bigimg.src=obj.getAttribute("href");
smallimg=obj.getElementsByTagName("img")[0];
t=document.getElementById("titolo");
t.removeChild(t.lastChild);
t.appendChild(document.createTextNode(smallimg.title));
}