
	<!-- Begin
/************************************************************\
*
\************************************************************/
function checkPostCode (toCheck) {

  // Permitted letters depend upon their position in the postcode.
  var alpha1 = "[abcdefghijklmnoprstuwyz]";                       // Character 1
  var alpha2 = "[abcdefghklmnopqrstuvwxy]";                       // Character 2
  var alpha3 = "[abcdefghjkstuw]";                                // Character 3
  var alpha4 = "[abehmnprvwxy]";                                  // Character 4
  var alpha5 = "[abdefghjlnpqrstuwxyz]";                          // Character 5
  

  // Array holds the regular expressions for the valid postcodes
  var pcexp = new Array ();

  // Expression for postcodes: AN NAA, ANN NAA, AAN NAA, and AANN NAA
  pcexp.push (new RegExp ("^(" + alpha1 + "{1}" + alpha2 + "?[0-9]{1,2})(\\s*)([0-9]{1}" + alpha5 + "{2})$","i"));
  
  // Expression for postcodes: ANA NAA
  pcexp.push (new RegExp ("^(" + alpha1 + "{1}[0-9]{1}" + alpha3 + "{1})(\\s*)([0-9]{1}" + alpha5 + "{2})$","i"));

  // Expression for postcodes: AANA  NAA
  pcexp.push (new RegExp ("^(" + alpha1 + "{1}" + alpha2 + "?[0-9]{1}" + alpha4 +"{1})(\\s*)([0-9]{1}" + alpha5 + "{2})$","i"));
  
  // Exception for the special postcode GIR 0AA
  pcexp.push (/^(GIR)(\s*)(0AA)$/i);
  
  // Standard BFPO numbers
  pcexp.push (/^(bfpo)(\s*)([0-9]{1,4})$/i);
  
  // c/o BFPO numbers
  pcexp.push (/^(bfpo)(\s*)(c\/o\s*[0-9]{1,3})$/i);

  // Load up the string to check
  var postCode = toCheck;

  // Assume we're not going to find a valid postcode
  var valid = false;

  // Check the string against the types of post codes
  for ( var i=0; i<pcexp.length; i++) {
    if (pcexp[i].test(postCode)) {
    
      // The post code is valid - split the post code into component parts
      pcexp[i].exec(postCode);
      
      // Copy it back into the original string, converting it to uppercase and
      // inserting a space between the inward and outward codes
      postCode = RegExp.$1.toUpperCase() + " " + RegExp.$3.toUpperCase();
      
      // If it is a BFPO c/o type postcode, tidy up the "c/o" part
      postCode = postCode.replace (/C\/O\s*/,"c/o ");
      // Load new postcode back into the form element
      valid = true;
      
      // Remember that we have found that the code is valid and break from loop
      break;
    }
  }
  
  // Return with either the reformatted valid postcode or the original invalid 
  // postcode
  if (valid) {return postCode;} else return false;
}
/************************************************************\
*
\************************************************************/
function validate() {
    var rc = true; // until proven otherwise.
    var theMessage = "Please complete the following: \n-----------------------------------\n";
    var noErrors = theMessage;
    // make sure field is not blank
    if (document.form0.firstname.value=="") {
		theMessage = theMessage + "\n --> Your First Name";
    }
	
	// make sure field is not blank
    if (document.form0.surname.value=="") {
        theMessage = theMessage + "\n --> Your Surname";
    }
   // make sure field is not blank
    if (document.form0.address1.value=="") {
        theMessage = theMessage + "\n --> First Line of the Address";
    }
	if (document.form0.town.value=="") {
        theMessage = theMessage + "\n --> Your Town";
    }
	//if (document.form0.town.value=="") {
    //    theMessage = theMessage + "\n --> Your Town";
    //}
    // validate an e-mail address
	document.form0.emailaddress.value=document.form0.emailaddress.value.trim();
	if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/.test(document.form0.emailaddress.value)){
        theMessage = theMessage + "\n --> Enter a valid e-mail address";
    }

    if (!checkPostCode (document.form0.postcode.value)) {
        theMessage = theMessage + "\n --> A valid Postcode";
    }else{
		document.form0.postcode.value=checkPostCode (document.form0.postcode.value);
	}
    
    // If no errors, submit the form
    if (theMessage == noErrors) {
        event.returnValue=true;
        return true;
    } else {
        // If errors were found, show alert message
        alert(theMessage);
        //event.returnValue=false;
        //return false;
        rc = false;
    }
	setConfirmUnload(false);
    return rc;
}
/************************************************************\
*
\************************************************************/
function validate1() {
    var rc = true; // until proven otherwise.
    var theMessage = "Please complete the following: \n-----------------------------------\n";
    var noErrors = theMessage;

    // validate an e-mail address
	document.form1.emailaddress.value=document.form1.emailaddress.value.trim();
	if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/.test(document.form1.emailaddress.value)){
        theMessage = theMessage + "\n --> Enter a valid e-mail address";
    }

    if (!checkPostCode (document.form1.postcode.value)) {
        theMessage = theMessage + "\n --> A valid Postcode";
    }else{
		document.form1.postcode.value=checkPostCode (document.form1.postcode.value);
	}
    
    // If no errors, submit the form
    if (theMessage == noErrors) {
        event.returnValue=true;
        return true;
    } else {
        // If errors were found, show alert message
        alert(theMessage);
        //event.returnValue=false;
        //return false;
        rc = false;
    }
    return rc;
}
    // End -->