//initialise form
function initBookFrm() {
	var bookFrm = document.bookFrm
}

//reset out date to (in date + 1) if out date <= in date
function validateDepart() {
	if ( document.bookFrm.departure_day.selectedIndex <  document.bookFrm.arrival_day.selectedIndex)  document.bookFrm.departure_day.selectedIndex =  document.bookFrm.arrival_day.selectedIndex+1
}


//reset in date to (out date - 1) if in date >= out date
function resetInDate() {
	if (bookFrm.inDate.selectedIndex > bookFrm.outDate.selectedIndex) bookFrm.inDate.selectedIndex = bookFrm.outDate.selectedIndex
}