function segnala_url() {
 var ref = window.location.href;
 window.open("/segnala_url.htm?referer="+ref, "segnala_pagina", "width=370,height=430,scrollbars=no");
}

function call_print() {
	window.open("print.htm", "print", "width=520,height=600,scrollbars=yes");
	}