function checkFields() {
missinginfo = "";
if ((document.form.email.value == "") || 
(document.form.email.value.indexOf('@') == -1) || 
(document.form.email.value.indexOf('.') == -1)) {
missinginfo += "\nPlease enter a correct email address";
}
if (document.form.name.value == "") {
missinginfo += "\nPlease enter your name";
}
if (document.form.message.value == "") {
missinginfo += "\nPlease enter a message";
}
if (missinginfo != "") {
missinginfo +="\n_____________________________";
alert(missinginfo);
return;
}
document.form.submit();
}