function open_fb()
{
window.open("http://www.facebook.com/pages/Centro-Didattico-Lisola-della-Conoscenza/248078778589114")
}

function setTopVisited(id_link)
{
var menu = document.getElementById(id_link);
menu.className="topmenu_after";
var links=document.getElementsByTagName("a");
var page=document.getElementById('servicesF');
var i=0;
var l=0;
for(i=0;i<links.length;i++)
 { 
 if(links[i].id != id_link) 
   {links[i].className="topmenu";}
 } 
}


function setSubVisited(id_link)
{
return false;

}