// JavaScript Document
var win;
var validate = "no";
function openSubscribe(pageTitle, formURL, winWidth, winHeight, val)
{
validate = val;
/* This outpt string will creat the popup window and a frame set that will allow us to bypass errors form the list server.*/
var outputString = ''+pageTitle+'<![CDATA[<body></body>]]>'
win = window.open("", "optIn", "toolbar=no,resizable=yes,menubar=no,location=no,scrollbars=yes,status=no,width="+winWidth+",height="+winHeight); // a window object
var doc = win.document;
doc.open("text/html", "replace");
doc.write(outputString);
doc.close();
}
function changeFrame()
{
/* This outpt string will creat the popup window and a frame set that will allow us to bypass errors form the list server.*/
var outputString = 'WatcherThis page is used to close the window after the form has been submitted.'
var doc1 = win.frames["bottom"].document;
doc1.open("text/html", "replace");
doc1.write(outputString);
doc1.close();
}
function emailCheck (email) {
var emailStr = email.value
/* The following pattern is used to check if the entered e-mail address
fits the user@domain format. It also is used to separate the username
from the domain. */
var emailPat=/^(.+)@(.+)$/
/* The following string represents the pattern for matching all special
characters. We don't want to allow special characters in the address.
These characters include ( ) < > @ , ; : \ " . [ ] */
var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
/* The following string represents the range of characters allowed in a
username or domainname. It really states which chars aren't allowed. */
var validChars="\[^\\s" + specialChars + "\]"
/* The following pattern applies if the "user" is a quoted string (in
which case, there are no rules about which characters are allowed
and which aren't; anything goes). E.g. "jiminy cricket"@disney.com
is a legal e-mail address. */
var quotedUser="(\"[^\"]*\")"
/* The following pattern applies for domains that are IP addresses,
rather than symbolic names. E.g. joe@[123.124.233.4] is a legal
e-mail address. NOTE: The square brackets are required. */
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
/* The following string represents an atom (basically a series of
non-special characters.) */
var atom=validChars + '+'
/* The following string represents one word in the typical username.
For example, in john.doe@somewhere.com, john and doe are words.
Basically, a word is either an atom or quoted string. */
var word="(" + atom + "|" + quotedUser + ")"
// The following pattern describes the structure of the user
var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
/* The following pattern describes the structure of a normal symbolic
domain, as opposed to ipDomainPat, shown above. */
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
/* Finally, let's start trying to figure out if the supplied address is
valid. */
/* Begin with the coarse pattern to simply break up user@domain into
different pieces that are easy to analyze. */
var matchArray=emailStr.match(emailPat)
if (matchArray==null) {
/* Too many/few @'s or something; basically, this address doesn't
even fit the general mould of a valid e-mail address. */
alert("Please enter a valid e-mail address.")
email.focus()
return false
}
var user=matchArray[1]
var domain=matchArray[2]
// See if "user" is valid
if (user.match(userPat)==null) {
// user is not valid
alert("The username doesn't seem to be valid.")
email.focus()
return false
}
/* if the e-mail address is at an IP address (as opposed to a symbolic
host name) make sure the IP address is valid. */
var IPArray=domain.match(ipDomainPat)
if (IPArray!=null) {
// this is an IP address
for (var i=1;i<=4;i++) {
if (IPArray[i]>255) {
alert("Destination IP address is invalid!")
email.focus()
return false
}
}
return true
}
// Domain is symbolic name
var domainArray=domain.match(domainPat)
if (domainArray==null) {
alert("The domain name doesn't seem to be valid.")
email.focus()
return false
}
/* domain name seems valid, but now make sure that it ends in a
three-letter word (like com, edu, gov) or a two-letter word,
representing country (uk, nl), and that there's a hostname preceding
the domain or country. */
/* Now we need to break up the domain to get a count of how many atoms
it consists of. */
var atomPat=new RegExp(atom,"g")
var domArr=domain.match(atomPat)
var len=domArr.length
var longDomains=new Array("name","info","aero","museum","coop")
var goodExt = 0;
for (i in longDomains)
{
if (domArr[domArr.length-1] == longDomains[i])
{goodExt = 1}
}
if ((goodExt != 1) && (domArr[domArr.length-1].length<2 ||
domArr[domArr.length-1].length>3)) {
// the address must end in a two letter or three letter word.
alert("The address must end in a valid extention.")
email.focus()
return false}
// Make sure there's a host name preceding the domain.
if (len<2) {
var errStr="This address is missing a hostname!"
email.focus()
alert(errStr)
return false
}
}
/* This function ensures the email is formated correct and on pages that have multiple lists, it checks to see if at least on list is checked. */
function checkform( thisform )
{
if (validate == "no") {return true}
if(emailCheck( thisform.email_address )==false){ win.focus(); return false }
var n = thisform.elements.length;
var checkNum = 0;
var firstN = 0;
var lastN = 0;
for (var i = 0; i <= n-1; i++)
{
var t = thisform.elements[i].type;
if (t == "checkbox")
{
if (thisform.elements[i].checked == true){checkNum = checkNum + 1}
}
if (t == "text")
{
if (thisform.elements[i].name == 'first_name')
{
firstN = 1;
}
if (thisform.elements[i].name == 'last_name')
{
lastN = 1;
}
}
}
if (checkNum == 0) {alert("Please select at least one list."); win.focus(); return false }
if(firstN == 1){
if (thisform.first_name.value == "" | thisform.first_name == null)
{alert('Please enter your first name'); win.focus(); return false}
}
if(lastN == 1){
if (thisform.last_name.value == "" | thisform.last_name == null)
{alert('Please enter your last name'); win.focus(); return false}
}
changeFrame()
return true;
}