novalentine.js

var banList = ["valentine", "Valentine", "Valentine's","Valentines","valentine's","valentines","v-day","V-day","V-Day","vday","Vday","VDay","VALENTINE","VALENTINE'S"];
var allUpdates = document.getElementsByTagName('h3');
for (phrases in banList) {
    for (eachUpdate in allUpdates) {
        if (allUpdates[eachUpdate].innerHTML.match(banList[phrases])) {
            allUpdates[eachUpdate].parentNode.parentNode.style.display = "none";
        }
    }
}