function abilita(){
 if (!document.formpiccolo.check_naz.checked && !document.formpiccolo.check_internaz.checked){
           document.formpiccolo.check_naz.checked= true;
 }
}

function mostravoli() {
    filter=new String("");
	route=new String("");
	nature=new String("");
	lang=new String("");
	if (navigator.appName != "Netscape")
           filter="E"
        else
           filter="N"
        if (document.formpiccolo.radio_par.value == "partenze") 
           nature="P"
        else
           nature="A"
        if (document.formpiccolo.check_naz.checked && !document.formpiccolo.check_internaz.checked)
           route="D";
        if (!document.formpiccolo.check_naz.checked && document.formpiccolo.check_internaz.checked)
           route="I";
		  location.href="../../page/portal/internet/inVOLO/VoliDiOggi?type="+nature+"&route="+route+"&lang=IT";  
}

function mostraTimetable() {
		destination=new String("");
		destination=document.formtimetable.destination.value;
		location.href="../../page/portal/internet/inVOLO/OrarioVoli?destination="+destination;  
}