// valid form
function valida(frm){
	var productos
	for (i = 0; i <= 19; i++ ){
		if (document.main_booking_form.tarif_rem[i]){
			if (document.main_booking_form.tarif_rem[i].checked){
				productos = document.main_booking_form.tarif_rem[i].value
				if (document.main_booking_form.tarif_rem[i].value == 'XPXC' || document.main_booking_form.tarif_rem[i].value == 'XPXH' || document.main_booking_form.tarif_rem[i].value == 'XPXX'){
					var fecha, dia, mes, ano, X;
				
					if ( document.getElementById('day').value < 10 ){X='0'}else{X=''};	
					dia = X+document.getElementById('day').value;
					if ( document.getElementById('month').value < 10 ){X='0'}else{X=''};
					mes = X+document.getElementById('month').value; 
					ano = document.getElementById('year').value; 
					fecha = ano+mes+dia;
					//alert(fecha);
					if((fecha < 20081118)||(fecha > 20101231)){
						alert("Este producto esta disponible hasta el 31 de Diciembre 2010."); 
						return false;
					}						
					document.main_booking_form.xperience.value = 1; 
				}
			}
		}
	}
	document.main_booking_form.pkt.value = document.main_booking_form.day.value+','+document.main_booking_form.month.value+','+document.main_booking_form.year.value+';'+productos+ '-A' + ',' +document.main_booking_form.adultos.value 
	if (document.main_booking_form.menores.value != "0"){
		document.main_booking_form.pkt.value = document.main_booking_form.pkt.value + ';'+productos + '-N' + ',' + document.main_booking_form.menores.value
	}
}


function paquetes() {
	obj1=document.getElementById("paketes"); 
	obj2=document.getElementById("xplefd");
	obj3=document.getElementById("xplxp");
	obj4=document.getElementById("tourxplor");
	obj1.style.display="block"; 
	obj2.style.display="none";
	obj3.style.display="none";
	obj4.style.display="none";
	location.reload();
}


function xplefd() {
	if (document.main_booking_form.day.selectedIndex == 0 || document.main_booking_form.month.selectedIndex == 0 || document.main_booking_form.year.selectedIndex == 0){ alert("Por favor seleccione la fecha de su visita") }
	else {
		obj1=document.getElementById("paketes"); 
		obj2=document.getElementById("xplefd");
		obj3=document.getElementById("xplxp");
		obj4=document.getElementById("tourxplor");
		obj1.style.display="none"; 
		obj2.style.display="block";
		obj3.style.display="none";
		obj4.style.display="none";
	}
}

function xperiencexpl() {
	if (document.main_booking_form.day.selectedIndex == 0 || document.main_booking_form.month.selectedIndex == 0 || document.main_booking_form.year.selectedIndex == 0){ alert("Por favor seleccione la fecha de su visita") }
	else {
		obj1=document.getElementById("paketes"); 
		obj2=document.getElementById("xplefd");
		obj3=document.getElementById("xplxp");
		obj4=document.getElementById("tourxplor");
		obj1.style.display="none"; 
		obj2.style.display="none";
		obj3.style.display="block";
		obj4.style.display="none";
   }
}

function tourxplor() {
	if (document.main_booking_form.day.selectedIndex == 0 || document.main_booking_form.month.selectedIndex == 0 || document.main_booking_form.year.selectedIndex == 0){ alert("Por favor seleccione la fecha de su visita") }
	else {
		obj1=document.getElementById("paketes"); 
		obj2=document.getElementById("xplefd");
		obj3=document.getElementById("xplxp");
		obj4=document.getElementById("tourxplor");
		obj1.style.display="none"; 
		obj2.style.display="none";
		obj3.style.display="none";
		obj4.style.display="block";
   }
}