function checkform() {
var emsg = "";
if (document.contact.from.value.length == 0 || document.contact.from.value.indexOf("@") == -1 ||document.contact.from.value.indexOf(".") == -1) {
emsg = emsg + "\nE-mail Address"; }
if (document.contact.subject.value.length == 0) { emsg = emsg + "\nInquiry"; }
if (document.contact.body.value.length == 0) { emsg = emsg + "\nMessage"; }
if (emsg != "") { alert("The following required fields were left blank:" + emsg); }
else { document.contact.submit(); alert("Thank you. Your e-mail has been received. You are a valued member of the fleet."); }
}