function invalid() {
if (document.email.T1.value.length < 2) {
alert("Please enter your name");
return false;
}
if (document.email.T2.value.length < 6) {
alert("Please enter your email");
return false;
}
if (document.email.S1.value.length < 2) {
alert("You left the message blank");
return false;
}
return true;
}