function noBlank() {
if (document.contactForm.name.value.length > 0 &&
    document.contactForm.phone.value.length > 0 &&
    document.contactForm.email.value.length > 0) {
return true
}
else
{
alert("Please ensure all required fields are filled out. Fields marked with a red * are required. Thank you.");
return false;
}
}