function openWindow() {
  popupWin = window.open('popup_discounts.html', 'remote','scrollbars,width=417,height=420,left=50,top=50')
}
function openWindow1() {
  popupWin = window.open('popup_signup.html', 'remote','scrollbars,width=417,height=226,left=50,top=50')
}
function openWindow2() {
  popupWin = window.open('popup_demo.html', 'remote','scrollbars,width=417,height=530,left=50,top=50')
}
function openWindow3() {
  popupWin = window.open('popup_ages.html', 'remote','scrollbars,width=480,height=750,left=50,top=50')
}
function openWindow4() {
  popupWin = window.open('popup_special.html', 'remote','scrollbars,width=480,height=670,left=50,top=50')
}
function openWindow5() {
  popupWin = window.open('popup_school.html', 'remote','scrollbars,width=480,height=640,left=50,top=50')
}