function openWindow() {
  popupWin = window.open('/popup_perks.html', 'remote','scrollbars,width=420,height=600,left=50,top=50')
}
function openWindow1() {
  popupWin = window.open('/popup_camp.html', 'remote','scrollbars,width=420,height=550,left=50,top=50')
}