function onload()
{
	if(!document.getElementsByTagName) return;
	l = document.getElementsByTagName("a");
	for(i=0; i < l.length; i++)
	{
		if(l[i].className.indexOf("link_esterno") != -1)
		{
			l[i].onclick = function(){window.open(this.href);return(false)};
		}
	}
}