function checkContact(field) {
if (field == 'name') {
document.getElementById("name").value = '';
}
if (field == 'email') {
document.getElementById("email").value = '';
}
if (field == 'phone') {
document.getElementById("phone").value = '';
}
if (field == 'comments') {
document.getElementById("comments").value = '';
}
}
 
function checkBlank() {
if (document.getElementById("name").value == '') {
document.getElementById("name").value = 'Name';
}
if (document.getElementById("phone").value == '') {
document.getElementById("phone").value = 'Phone';
}
if (document.getElementById("email").value == '') {
document.getElementById("email").value = 'Email';
}
if (document.getElementById("comments").value == '') {
document.getElementById("comments").value = 'Comments';
}
}