// display a popup for pictures
function photopopup(imageFile, width, height, title){
var html = '' + title + ' - Click to close ![\"Click](\"')
';
var popup = window.open(imageFile, '_blank', 'width=' + width+ ', height=' + height + ', status=no');
popup.document.write(html);
popup.focus();
}
// for calculating the number of nights during booking form
function calcNight() {
var startDate=document.bookingform.form_booking_arrival.value
var endDate=document.bookingform.form_booking_departure.value
var date1=new Date(startDate.split("-")[2],startDate.split("-")[1]-1,startDate.split("-")[0])
var date2=new Date(endDate.split("-")[2],endDate.split("-")[1]-1,endDate.split("-")[0])
var one_day=1000*60*60*24
var nbnight=Math.ceil((date2.getTime()-date1.getTime())/(one_day))
if (nbnight>0) {
document.bookingform.form_booking_night.value=nbnight;
$booking_night=nbnight;
return nbnight;
}
else {
document.bookingform.form_booking_night.value=0;
$booking_night=0;
return 0;
}
}
// clear field for datepicker
function clearDate(field) {
field.value = "";
}