function change(toNode) 
{ 
var nodes = document.getElementById("switcher").getElementsByTagName("li"); 

for (var i = 0; i < nodes.length; i++) 
{ 
if (nodes[i] == toNode) 
{ 
nodes[i].className = "activated" 
} 

else 
{ 
nodes[i].className = "normal" 
} 
} 
}