<!--
// btf 05/09/2003.

// function to validate the information being submitted to CDR from the website. - **********
function Validate_Form(theForm)
{
  if (theForm.name.value == "")
  {
    alert("Please enter a value for the \"Name\" field.");
    theForm.name.focus();
    return (false);
  }

  if (theForm.name.value.length > 50)
  {
    alert("Please enter at most 50 characters in the \"Name\" field.");
    theForm.name.focus();
    return (false);
  }

  if (theForm.company.value == "")
  {
    alert("Please enter a value for the \"Company\" field.");
    theForm.company.focus();
    return (false);
  }

  if (theForm.company.value.length > 50)
  {
    alert("Please enter at most 50 characters in the \"Company\" field.");
    theForm.company.focus();
    return (false);
  }

  if (theForm.address.value == "")
  {
    alert("Please enter a value for the \"Address\" field.");
    theForm.address.focus();
    return (false);
  }

  if (theForm.address.value.length > 50)
  {
    alert("Please enter at most 50 characters in the \"Address\" field.");
    theForm.address.focus();
    return (false);
  }

  // Validate Postcode  - ***
  if (TestPCode() == false)
  {
    alert("Please enter a valid \"Postcode\".");
    theForm.pcode.focus();
    return (false);
  }

  if (theForm.tel.value == "")
  {
    alert("Please enter a value for the \"Telephone\" field.");
    theForm.tel.focus();
    return (false);
  }

  if (theForm.tel.value.length > 20)
  {
    alert("Please enter at most 20 characters in the \"Telephone\" field.");
    theForm.tel.focus();
    return (false);
  }

  var checkOK = "0123456789-";
  var checkStr = theForm.tel.value;
  var allValid = true;
  var decPoints = 0;
  var allNum = "";
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
    allNum += ch;
  }
  if (!allValid)
  {
    alert("Please enter only digit characters in the \"Telephone\" field.");
    theForm.tel.focus();
    return (false);
  }

  if (theForm.fax.value.length > 20)
  {
    alert("Please enter at most 20 characters in the \"Fax\" field.");
    theForm.fax.focus();
    return (false);
  }

  var checkOK = "0123456789-";
  var checkStr = theForm.fax.value;
  var allValid = true;
  var decPoints = 0;
  var allNum = "";
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
    allNum += ch;
  }
  if (!allValid)
  {
    alert("Please enter only digit characters in the \"Fax\" field.");
    theForm.fax.focus();
    return (false);
  }

  // Validate email address - ***
  if (emailCheck(theForm.form_email.value) == false) return (false);
 
  // Return values from checkboxes - ***
  if (checkbox_values() == false) return (false);
  
return (true);
}
// - **************************************************************************************

// function to update hidden form fields with values from the checkboxes  - ***************
function checkbox_values()
{
  if (eval("theForm.chk1.checked"))
      theForm.mapinfo.value = "Yes";
  else
    theForm.mapinfo.value = "No";
    
  if (eval("theForm.chk2.checked"))
    theForm.training.value = "Yes";
  else
    theForm.training.value = "No";
  
  if (eval("theForm.chk3.checked"))
    theForm.data_capture.value = "Yes";
  else
    theForm.data_capture.value = "No";

  if (eval("theForm.chk4.checked"))
    theForm.data_supply.value = "Yes";
  else
    theForm.data_supply.value = "No";

  if (eval("theForm.chk5.checked"))
    theForm.misc.value = "Yes";
  else
    theForm.misc.value = "No";
	
  if (eval("theForm.chk6.checked"))
    theForm.nowishpost.value = "Yes";
  else
    theForm.nowishpost.value = "No";

  if (eval("theForm.chk7.checked"))
    theForm.nowishemail.value = "Yes";
  else
    theForm.nowishemail.value = "No";

  if (eval("theForm.chk8.checked"))
    theForm.nowishphone.value = "Yes";
  else
    theForm.nowishphone.value = "No";

return (true);
}
// - ***********************************************************************************

// function to check email address validity  - *****************************************
<!-- This email validation script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->

<!-- Minor modifications for CDR website form validation: btf 04/09/2003 -->
<!-- V1.1.3: Sandeep V. Tamhankar (stamhankar@hotmail.com) -->
<!-- Original:  Sandeep V. Tamhankar (stamhankar@hotmail.com) -->

function emailCheck (emailStr) {

/* The following variable tells the rest of the function whether or not
to verify that the address ends in a two-letter country or well-known
TLD.  1 means check it, 0 means don't. */

var checkTLD=1;

/* The following is the list of known TLDs that an e-mail address must end with. */

var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;

/* 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("Email address seems incorrect (check @ and .'s)");
theForm.form_email.focus();
return false;
}
var user=matchArray[1];
var domain=matchArray[2];

// Start by checking that only basic ASCII characters are in the strings (0-127).

for (i=0; i<user.length; i++) {
if (user.charCodeAt(i)>127) {
alert("The email address username contains invalid characters.");
theForm.form_email.focus();
return false;
   }
}
for (i=0; i<domain.length; i++) {
if (domain.charCodeAt(i)>127) {
alert("The email address domain name contains invalid characters.");
theForm.form_email.focus();
return false;
   }
}

// See if "user" is valid 

if (user.match(userPat)==null) {

// user is not valid

alert("The username doesn't seem to be valid.");
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("Email destination IP address is invalid!");
return false;
   }
}
return true;
}

// Domain is symbolic name.  Check if it's valid.
 
var atomPat=new RegExp("^" + atom + "$");
var domArr=domain.split(".");
var len=domArr.length;
for (i=0;i<len;i++) {
if (domArr[i].search(atomPat)==-1) {
alert("The email address domain name does not seem to be valid.");
theForm.form_email.focus();
return false;
   }
}

/* domain name seems valid, but now make sure that it ends in a
known top-level domain (like com, edu, gov) or a two-letter word,
representing country (uk, nl), and that there's a hostname preceding 
the domain or country. */

if (checkTLD && domArr[domArr.length-1].length!=2 && 
domArr[domArr.length-1].search(knownDomsPat)==-1) {
alert("The address must end in a well-known domain or two letter " + "country.");
theForm.form_email.focus();
return false;
}

// Make sure there's a host name preceding the domain.

if (len<2) {
alert("The email address is missing a hostname!");
theForm.form_email.focus();
return false;
}

// If we've gotten this far, everything's valid!
return true;
}
// - **************************************************************

// Function to test the post code entry - *************************
function TestPCode()
{
var PCodes
PCodes = theForm.pcode.value

if (PCcheck(PCodes) == false) return (false);

  function PCcheck(Codes) // check for UK Postcode format
    {
    var JJ, OK, Ar = new Array(), PCs = Codes.split(',')
    
    for (JJ=0 ; JJ < PCs.length ; JJ++)
      {
      OK = /^\s*([A-Z]{1,2})([0-9]{1,2})([A-Z]{0,1})\s+(...)\s*$/.
      test(PCs[JJ].toUpperCase())
      if (OK) with (RegExp) return (true);
      else return (false);
      }
    }
return (true);
}
// - **************************************************************
// end of script 
//-->