// JavaScript Document
function emailCheck (emailStr) {
var emailPat=/^(.+)@(.+)$/;
var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";
var validChars="\[^\\s" + specialChars + "\]";
var quotedUser="(\"[^\"]*\")";
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
var atom=validChars + '+';
var word="(" + atom + "|" + quotedUser + ")";
var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
var matchArray=emailStr.match(emailPat);
if (matchArray==null) {
alert("Email address seems incorrect (check @ and .'s)");
return false;
}
var user=matchArray[1];
var domain=matchArray[2];
if (user.match(userPat)==null) {
alert("The username doesn't seem to be valid.");
return false;
}
var IPArray=domain.match(ipDomainPat);
if (IPArray!=null) {
  for (var i=1;i<=4;i++) {
if (IPArray[i]>255) {
alert("Destination IP address is invalid!");
return false;
}
}
return true;
}
var domainArray=domain.match(domainPat);
if (domainArray==null) {
alert("The domain name doesn't seem to be valid.");
return false;
}
var atomPat=new RegExp(atom,"g");
var domArr=domain.match(atomPat);
var len=domArr.length;
if ((domArr[domArr.length-1] != "info") &&
(domArr[domArr.length-1] != "name") &&
(domArr[domArr.length-1] != "arpa")) {
if (domArr[domArr.length-1].length<2 || 
domArr[domArr.length-1].length>3) {
   alert("The address must end in a three-letter domain, or two letter country.");
   return false;
}
}
if (len<2) {
   var errStr="This address is missing a hostname!";
   alert(errStr);
   return false;
}
return true;
}

var phone_field_length=0;
function TabNext(obj,event,len,next_field) 
{
if (event == "down") 
{
phone_field_length=obj.value.length;
}
else if (event == "up") 
{
if (obj.value.length != phone_field_length) 
{
phone_field_length=obj.value.length;
if (phone_field_length == len) 
{
next_field.focus();
}}}}
function UPTvalidateform(thisform)
{
if (thisform.val_1.value==""){
alert("Please enter a value for First Name")
document.UPTml17666.val_1.focus();
return(true);}if (thisform.val_2.value==""){
alert("Please enter a value for Last Name")
document.UPTml17666.val_2.focus();
return(true);}if (thisform.val_4.value==""){
alert("Please enter a value for Address")
document.UPTml17666.val_4.focus();
return(true);}
if (thisform.areacode.value.length!=3){
		alert("Telephone Area Code Must Be 3 Digits");
		document.UPTml17666.areacode.focus();
		return(true);}	
if (thisform.prefix.value.length!=3){
		alert("Telephone Prefix Must Be 3 Digits");
		document.UPTml17666.prefix.focus();
		return(true);}		
if (thisform.postfix.value.length!=4){
		alert("Telephone Postfix Must Be 4 Digits");
		document.UPTml17666.postfix.focus();
		return(true);}
if (thisform.val_5.value==""){
alert("Please enter a value for City")
document.UPTml17666.val_5.focus();
return(true);}
if (thisform.val_6.selectedIndex==0) { 
alert("Please select a value for State/Province")
document.UPTml17666.val_6.focus();
return(true);}
if (thisform.val_7.value==""){
alert("Please enter a value for ZIP/Postal Code")
document.UPTml17666.val_7.focus();
return(true);}
if (thisform.email.selectedIndex==0) { 
alert("Please enter a valid email address")
document.UPTml17666.email.focus();
return(true);}
if (emailCheck(thisform.email.value))
{
return false;
}
else
{
return true;
}}