for (var i = 0; i < s.length; i++) {
a = s[i];
var h = window.innerHeight - a.getBoundingClientRect().top - 20;
height = String(h) + "px";
for (var i = 0; i < s.length; i++) {
a = s[i];
var h = window.innerHeight - a.getBoundingClientRect().top - 20;
height = String(h) + "px";