/////////////////////////
///// INIT FUNCTION /////
/////////////////////////

function init() {
    //initMenu();
    initCitiesAndCountries(document.productSearchForm);
    
    // init departure date select fields
    initDateSelectWithGlobalVars(document.productSearchForm.departureDay,
                                 document.productSearchForm.departureMonthYear);

    // init return date select fields
    if (document.productSearchForm.returnDay && document.productSearchForm.returnMonthYear) {
        initRelativeDatesSelectWithGlobalVars(document.productSearchForm.returnDay,
                                              document.productSearchForm.returnMonthYear,
                                              document.productSearchForm.departureDay,
                                              document.productSearchForm.departureMonthYear);
    }

    // display return date
    if (document.productSearchForm.availabilityCheck) {
        if (document.productSearchForm.availabilityCheck.checked) {
            document.getElementById("returnDateLayer").style.display='block';
        } else {
            document.getElementById("returnDateLayer").style.display='none';
        }
    }
    
    //auto resize destination layer
    autoresize('leftpart','rightpart');
}