public/thoughtworks_studios/page.js
function clearInitialText(input) {
if (input.alreadyCleared) return;
input.alreadyCleared = true;
input.value = "";
}
function checkEmailOnSubmit(input) {
if (!input.alreadyCleared) {
clearInitialText(input);
}
if (input.value == '') {
alert('Please enter an email address.');
return false;
}
return true;
}