function switchrs(obj) {
	if (document.getElementById(obj).style.display=='block') document.getElementById(obj).style.display="none";
	else document.getElementById(obj).style.display="block";
}
function showoptions(id) {
if (id!="") {
	
	dest="opts"+id;
	if (document.getElementById(dest).style.display=="none") document.getElementById(dest).style.display="block";
	else 	document.getElementById(dest).style.display="none";
}
}


function showagefields() {
		document.getElementById("age1").style.display="none";
		document.getElementById("age2").style.display="none";
		document.getElementById("age3").style.display="none";		
		document.getElementById("age4").style.display="none";		
		document.getElementById("age5").style.display="none";		
		document.getElementById("age6").style.display="none";
	amount=document.enquiry_form.e_children.options[document.enquiry_form.e_children.options.selectedIndex].value;
	if (amount==0) {
		document.getElementById("age1").style.display="none";
		document.getElementById("age2").style.display="none";
		document.getElementById("age3").style.display="none";		
		document.getElementById("age4").style.display="none";		
		document.getElementById("age5").style.display="none";		
		document.getElementById("age6").style.display="none";
	}	
	if (amount==1) {
		document.getElementById("age1").style.display="block";
	}
	if (amount==2) {
		document.getElementById("age1").style.display="block";
		document.getElementById("age2").style.display="block";		
	}
	if (amount==3) {
		document.getElementById("age1").style.display="block";
		document.getElementById("age2").style.display="block";		
		document.getElementById("age3").style.display="block";
	}
	if (amount==4) {
		document.getElementById("age1").style.display="block";
		document.getElementById("age2").style.display="block";		
		document.getElementById("age3").style.display="block";
		document.getElementById("age4").style.display="block";
	}
	if (amount==5) {
		document.getElementById("age1").style.display="block";
		document.getElementById("age2").style.display="block";		
		document.getElementById("age3").style.display="block";
		document.getElementById("age4").style.display="block";	
		document.getElementById("age5").style.display="block";
	}
	if (amount==6) {
		document.getElementById("age1").style.display="block";
		document.getElementById("age2").style.display="block";		
		document.getElementById("age3").style.display="block";
		document.getElementById("age4").style.display="block";	
		document.getElementById("age5").style.display="block";		
		document.getElementById("age6").style.display="block";
	}					
}

function resetagefields() {
		document.getElementById("age1").style.display="none";
		document.getElementById("age2").style.display="none";		
		document.getElementById("age3").style.display="none";
		document.getElementById("age4").style.display="none";	
		document.getElementById("age5").style.display="none";		
		document.getElementById("age6").style.display="none";
}

function check_enquiry_form() {

	if (document.enquiry_form.e_firstname.value=="" || 
	document.enquiry_form.e_departure_date_day.options[document.enquiry_form.e_departure_date_day.options.selectedIndex].value=="" ||
	document.enquiry_form.e_departure_date_month.options[document.enquiry_form.e_departure_date_month.options.selectedIndex].value=="" ||
	document.enquiry_form.e_departure_date_year.options[document.enquiry_form.e_departure_date_year.options.selectedIndex].value=="" ||
	document.enquiry_form.e_duration_id.options[document.enquiry_form.e_duration_id.options.selectedIndex].value=="" ||
	document.enquiry_form.e_dep_airport_id.options[document.enquiry_form.e_dep_airport_id.options.selectedIndex].value=="" ||
	document.enquiry_form.e_adults.options[document.enquiry_form.e_adults.options.selectedIndex].value=="" ||
		document.enquiry_form.e_surname.value=="" ||	
		document.enquiry_form.e_email.value=="" ||	
		document.enquiry_form.e_phone.value=="") {
		alert ('All fields marked with * are required!');
		return false;
	}
	else {
		return true; 
	}
}

function check_ages() {
	var err=0;
		if (document.getElementById("age1").style.display=="block" && document.enquiry_form.age1.options[document.enquiry_form.age1.options.selectedIndex].value==0) err++;
		if (document.getElementById("age2").style.display=="block" && document.enquiry_form.age2.options[document.enquiry_form.age2.options.selectedIndex].value==0) err++;
		if (document.getElementById("age3").style.display=="block" && document.enquiry_form.age3.options[document.enquiry_form.age3.options.selectedIndex].value==0) err++;
		if (document.getElementById("age4").style.display=="block" && document.enquiry_form.age4.options[document.enquiry_form.age4.options.selectedIndex].value==0) err++;
		if (document.getElementById("age5").style.display=="block" && document.enquiry_form.age5.options[document.enquiry_form.age5.options.selectedIndex].value==0) err++;
		if (document.getElementById("age6").style.display=="block" && document.enquiry_form.age6.options[document.enquiry_form.age6.options.selectedIndex].value==0) err++;
	if (err>0) {
		alert ('Please specify children ages!');
		return false;
}
	else return true;
}