var submitted = false;
function check_quote() {
var error = 0;
var error_message = "We cannot quote without the information below.\n\n";
if(submitted){ 
alert( "This form has already been submitted. Please press Ok and wait for this process to be completed."); 
return false;}var country = document.main.country.value; 
var airport = document.main.airport.value;
var resort = document.main.resort.value;
var arrivalDate = document.main.arrive_date.value;
var isReturn = document.main.isReturn.checked;
var children = document.main.children.value;
var adults = document.main.adults.value;
if (country == ''){error_message = error_message + '* You havent selected a country.\n';error = 1;}
if (airport == ''){error_message = error_message + '* What airport are you flying to.\n';error = 1;}
if (resort == ''){error_message = error_message + '* What resort are you going to.\n';error = 1;}
if(arrivalDate == ''){error_message = error_message + '* What is your arrival date.\n';error = 1;}
if(isReturn==true){var departureDate = document.main.depart_date.value;if(departureDate ==''){error_message = error_message + '* What is your departure date.\n';error = 1;}}
if(adults == '' || adults ==0){error_message = error_message + '* How many adults are travelling.\n';error = 1;}
if (error == 1){alert(error_message);return false;}
else
{submitted = true;
document.getElementById('searchP').className = 'indicatorV';
return true;}}