<!DOCTYPE html>
<script>
function setSessionStorageValue(key, value) {
window.sessionStorage[key] = value;
}
function getSessionStorageValue(key) {
return window.sessionStorage[key] || "";
}
function setLocalStorageValue(key, value) {
window.localStorage[key] = value;
}
function getLocalStorageValue(key) {
return window.localStorage[key] || "";
}
</script>