<!-- Validate sendemail Form -->
function validatecontactform() {
var errorcount=0;
if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.contactform.form_email.value)){
}
else{
document.getElementById("emailalert").style.visibility="visible";
errorcount++;
}

if (document.contactform.form_message.value == "") {
document.getElementById("messagealert").style.visibility="visible";
errorcount++;
}
if (document.contactform.form_phone.value == "") {
document.getElementById("phonealert").style.visibility="visible";
errorcount++;
}
if (document.contactform.form_name.value == "") {
document.getElementById("namealert").style.visibility="visible";
errorcount++;
}

if (errorcount != 0){
alert("Please correct any fields in RED.");
return false;
}
else{
document.contactform.submit();
}
}
<!-- END Validate sendemail Form -->