// JavaScript for PHPMaker 3.2+
// (C) 2001-2005 e.World Technology Ltd.

var EW_dateSep; // default date separator
if (EW_dateSep == "") EW_dateSep = "/";

function EW_submitForm(EW_this) {	
	if (EW_HTMLArea) {			
		for (var i=0; i<EW_HTMLArea.length; i++) {
			var html = EW_HTMLArea[i].getHTML();
			if (html == "<p />" || html == "<br />\n") html = "";
			EW_HTMLArea[i]._textArea.value = html;
		}
	}	
	if (EW_checkMyForm(EW_this))
		EW_this.submit();
}

function EW_isHTMLArea(input_object, object_type) {
	return (object_type == "TEXTAREA" && EW_HTMLArea && input_object.style && input_object.style.display && input_object.style.display == "none");
}

function EW_onError(form_object, input_object, object_type, error_message) {
	alert(error_message);									
	if (object_type == "RADIO" || object_type == "CHECKBOX") {
		if (input_object[0])
			input_object[0].focus();
		else
			input_object.focus();
	}	else if (!EW_isHTMLArea(input_object, object_type)) { 
		input_object.focus();  
	}  
	if (object_type == "TEXT" || object_type == "PASSWORD" || object_type == "TEXTAREA" || object_type == "FILE") {
		if (!EW_isHTMLArea(input_object, object_type))
			input_object.select();
	}
	return false;	
}

function EW_hasValue(obj, obj_type) {
	if (obj_type == "TEXT" || obj_type == "PASSWORD" || obj_type == "TEXTAREA" || obj_type == "FILE")	{
		if (obj.value.length == 0) 
			return false;		
		else 
			return true;
	}	else if (obj_type == "SELECT") {
		if (obj.type != "select-multiple" && obj.selectedIndex == 0)
			return false;
		else if (obj.type == "select-multiple" && obj.selectedIndex == -1)
			return false;
		else
			return true;
	}	else if (obj_type == "RADIO" || obj_type == "CHECKBOX")	{
		if (obj[0]) {
			for (i=0; i < obj.length; i++) {
				if (obj[i].checked)
					return true;
			}
		} else {
			return (obj.checked);
		}
		return false;	
	}
}

// Date (mm/dd/yyyy)
function EW_checkusdate(object_value) {
	if (object_value.length == 0)
		return true;
	
	isplit = object_value.indexOf(EW_dateSep);
	
	if (isplit == -1 || isplit == object_value.length)
		return false;
	
	sMonth = object_value.substring(0, isplit);
	
	if (sMonth.length == 0)
		return false;
	
	isplit = object_value.indexOf(EW_dateSep, isplit + 1);
	
	if (isplit == -1 || (isplit + 1 ) == object_value.length)
		return false;
	
	sDay = object_value.substring((sMonth.length + 1), isplit);
	
	if (sDay.length == 0)
		return false;
	
	isep = object_value.indexOf(' ', isplit + 1); 
	if (isep == -1) {
		sYear = object_value.substring(isplit + 1);
	} else {
		sYear = object_value.substring(isplit + 1, isep);
		sTime = object_value.substring(isep + 1);
		if (!EW_checktime(sTime))
			return false; 
	}
	
	if (!EW_checkinteger(sMonth)) 
		return false;
	else if (!EW_checkrange(sMonth, 1, 12)) 
		return false;
	else if (!EW_checkinteger(sYear)) 
		return false;
	else if (!EW_checkrange(sYear, 0, 9999)) 
		return false;
	else if (!EW_checkinteger(sDay)) 
		return false;
	else if (!EW_checkday(sYear, sMonth, sDay))
		return false;
	else
		return true;
}

// Date (yyyy/mm/dd, )
function EW_checkdate(object_value) {
	if (object_value.length == 0)
		return true;
	
	isplit = object_value.indexOf(EW_dateSep);
	
	if (isplit == -1 || isplit == object_value.length)
		return false;
	
	sYear = object_value.substring(0, isplit);
	
	isplit = object_value.indexOf(EW_dateSep, isplit + 1);
	
	if (isplit == -1 || (isplit + 1 ) == object_value.length)
		return false;
	
	sMonth = object_value.substring((sYear.length + 1), isplit);
	
	if (sMonth.length == 0)
		return false;
	
	isep = object_value.indexOf(' ', isplit + 1); 
	if (isep == -1) {
		sDay = object_value.substring(isplit + 1);
	} else {
		sDay = object_value.substring(isplit + 1, isep);
		sTime = object_value.substring(isep + 1);
		if (!EW_checktime(sTime))
			return false; 
	}
	
	if (sDay.length == 0)
		return false;
	
	if (!EW_checkinteger(sMonth)) 
		return false;
	else if (!EW_checkrange(sMonth, 1, 12)) 
		return false;
	else if (!EW_checkinteger(sYear)) 
		return false;
	else if (!EW_checkrange(sYear, 0, 9999)) 
		return false;
	else if (!EW_checkinteger(sDay)) 
		return false;
	else if (!EW_checkday(sYear, sMonth, sDay))
		return false;
	else
		return true;
}

// Date (dd/mm/yyyy)
function EW_checkeurodate(object_value) {
	if (object_value.length == 0)
	  return true;
	
	isplit = object_value.indexOf(EW_dateSep);
	
	if (isplit == -1 || isplit == object_value.length)
		return false;
	
	sDay = object_value.substring(0, isplit);
	
	monthSplit = isplit + 1;
	
	isplit = object_value.indexOf(EW_dateSep, monthSplit);
	
	if (isplit == -1 ||  (isplit + 1 )  == object_value.length)
		return false;
	
	sMonth = object_value.substring((sDay.length + 1), isplit);
	
	isep = object_value.indexOf(' ', isplit + 1); 
	if (isep == -1) {
		sYear = object_value.substring(isplit + 1);
	} else {
		sYear = object_value.substring(isplit + 1, isep);
		sTime = object_value.substring(isep + 1);
		if (!EW_checktime(sTime))
			return false; 
	}
	
	if (!EW_checkinteger(sMonth)) 
		return false;
	else if (!EW_checkrange(sMonth, 1, 12)) 
		return false;
	else if (!EW_checkinteger(sYear)) 
		return false;
	else if (!EW_checkrange(sYear, 0, null)) 
		return false;
	else if (!EW_checkinteger(sDay)) 
		return false;
	else if (!EW_checkday(sYear, sMonth, sDay)) 
		return false;
	else
		return true;
}

function EW_checkday(checkYear, checkMonth, checkDay) {
	maxDay = 31;
	
	if (checkMonth == 4 || checkMonth == 6 ||	checkMonth == 9 || checkMonth == 11) {
		maxDay = 30;
	} else if (checkMonth == 2)	{
		if (checkYear % 4 > 0)
			maxDay =28;
		else if (checkYear % 100 == 0 && checkYear % 400 > 0)
			maxDay = 28;
		else
			maxDay = 29;
	}
	
	return EW_checkrange(checkDay, 1, maxDay); 
}

function EW_checkinteger(object_value) {
	if (object_value.length == 0)
		return true;
	
	var decimal_format = ".";
	var check_char;
	
	check_char = object_value.indexOf(decimal_format);
	if (check_char < 1)
		return EW_checknumber(object_value);
	else
		return false;
}

function EW_numberrange(object_value, min_value, max_value) {
	if (min_value != null) {
		if (object_value < min_value)
			return false;
	}
	
	if (max_value != null) {
		if (object_value > max_value)
			return false;
	}
	
	return true;
}

function EW_checknumber(object_value) {
	if (object_value.length == 0)
		return true;
	
	var start_format = " .+-0123456789";
	var number_format = " .0123456789";
	var check_char;
	var decimal = false;
	var trailing_blank = false;
	var digits = false;
	
	check_char = start_format.indexOf(object_value.charAt(0));
	if (check_char == 1)
		decimal = true;
	else if (check_char < 1)
		return false;
	 
	for (var i = 1; i < object_value.length; i++)	{
		check_char = number_format.indexOf(object_value.charAt(i))
		if (check_char < 0) {
			return false;
		} else if (check_char == 1)	{
			if (decimal)
				return false;
			else
				decimal = true;
		} else if (check_char == 0) {
			if (decimal || digits)	
			trailing_blank = true;
		}	else if (trailing_blank) { 
			return false;
		} else {
			digits = true;
		}
	}	
	
	return true;
}

function EW_checkrange(object_value, min_value, max_value) {
	if (object_value.length == 0)
		return true;
	
	if (!EW_checknumber(object_value))
		return false;
	else
		return (EW_numberrange((eval(object_value)), min_value, max_value));	
	
	return true;
}

function EW_checktime(object_value) {
	if (object_value.length == 0)
		return true;
	
	isplit = object_value.indexOf(':');
	
	if (isplit == -1 || isplit == object_value.length)
		return false;
	
	sHour = object_value.substring(0, isplit);
	iminute = object_value.indexOf(':', isplit + 1);
	
	if (iminute == -1 || iminute == object_value.length)
		sMin = object_value.substring((sHour.length + 1));
	else
		sMin = object_value.substring((sHour.length + 1), iminute);
	
	if (!EW_checkinteger(sHour))
		return false;
	else if (!EW_checkrange(sHour, 0, 23)) 
		return false;
	
	if (!EW_checkinteger(sMin))
		return false;
	else if (!EW_checkrange(sMin, 0, 59))
		return false;
	
	if (iminute != -1) {
		sSec = object_value.substring(iminute + 1);		
		if (!EW_checkinteger(sSec))
			return false;
		else if (!EW_checkrange(sSec, 0, 59))
			return false;	
	}
	
	return true;
}

function EW_checkphone(object_value) {
	if (object_value.length == 0)
		return true;
	
	if (object_value.length != 12)
		return false;
	
	if (!EW_checknumber(object_value.substring(0,3)))
		return false;
	else if (!EW_numberrange((eval(object_value.substring(0,3))), 100, 1000))
		return false;
	
	if (object_value.charAt(3) != "-" && object_value.charAt(3) != " ")
		return false
	
	if (!EW_checknumber(object_value.substring(4,7)))
		return false;
	else if (!EW_numberrange((eval(object_value.substring(4,7))), 100, 1000))
		return false;
	
	if (object_value.charAt(7) != "-" && object_value.charAt(7) != " ")
		return false;
	
	if (object_value.charAt(8) == "-" || object_value.charAt(8) == "+")
		return false;
	else
		return (EW_checkinteger(object_value.substring(8,12)));
}


function EW_checkzip(object_value) {
	if (object_value.length == 0)
		return true;
	
	if (object_value.length != 5 && object_value.length != 10)
		return false;
	
	if (object_value.charAt(0) == "-" || object_value.charAt(0) == "+")
		return false;
	
	if (!EW_checkinteger(object_value.substring(0,5)))
		return false;
	
	if (object_value.length == 5)
		return true;
	
	if (object_value.charAt(5) != "-" && object_value.charAt(5) != " ")
		return false;
	
	if (object_value.charAt(6) == "-" || object_value.charAt(6) == "+")
		return false;
	
	return (EW_checkinteger(object_value.substring(6,10)));
}


function EW_checkcreditcard(object_value) {
	var white_space = " -";
	var creditcard_string = "";
	var check_char;
	
	if (object_value.length == 0)
		return true;
	
	for (var i = 0; i < object_value.length; i++) {
		check_char = white_space.indexOf(object_value.charAt(i));
		if (check_char < 0)
			creditcard_string += object_value.substring(i, (i + 1));
	}	
	
	if (creditcard_string.length == 0)
		return false;	 
	
	if (creditcard_string.charAt(0) == "+")
		return false;
	
	if (!EW_checkinteger(creditcard_string))
		return false;
	
	var doubledigit = creditcard_string.length % 2 == 1 ? false : true;
	var checkdigit = 0;
	var tempdigit;
	
	for (var i = 0; i < creditcard_string.length; i++) {
		tempdigit = eval(creditcard_string.charAt(i));		
		if (doubledigit) {
			tempdigit *= 2;
			checkdigit += (tempdigit % 10);			
			if ((tempdigit / 10) >= 1.0)
				checkdigit++;			
			doubledigit = false;
		}	else {
			checkdigit += tempdigit;
			doubledigit = true;
		}
	}
		
	return (checkdigit % 10) == 0 ? true : false;
}


function EW_checkssc(object_value) {
	var white_space = " -+.";
	var ssc_string="";
	var check_char;
	
	if (object_value.length == 0)
		return true;
	
	if (object_value.length != 11)
		return false;
	
	if (object_value.charAt(3) != "-" && object_value.charAt(3) != " ")
		return false;
	
	if (object_value.charAt(6) != "-" && object_value.charAt(6) != " ")
		return false;
	
	for (var i = 0; i < object_value.length; i++) {
		check_char = white_space.indexOf(object_value.charAt(i));
		if (check_char < 0)
			ssc_string += object_value.substring(i, (i + 1));
	}	
	
	if (ssc_string.length != 9)
		return false;	 
	
	if (!EW_checkinteger(ssc_string))
		return false;
	
	return true;
}
	

function EW_checkemail(object_value) {
	if (object_value.length == 0)
		return true;
	
	if (!(object_value.indexOf("@") > -1 && object_value.indexOf(".") > -1))
		return false;    
	
	return true;
}
	
// GUID {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}	
function EW_checkGUID(object_value)	{
	if (object_value.length == 0)
		return true;
	if (object_value.length != 38)
		return false;
	if (object_value.charAt(0)!="{")
		return false;
	if (object_value.charAt(37)!="}")
		return false;	
	
	var hex_format = "0123456789abcdefABCDEF";
	var check_char;	
	
	for (var i = 1; i < 37; i++) {		
		if ((i==9) || (i==14) || (i==19) || (i==24)) {
			if (object_value.charAt(i)!="-")
				return false;
		} else {
			check_char = hex_format.indexOf(object_value.charAt(i));
			if (check_char < 0)
				return false;
		}
	}
	return true;
}
	

// Update a combobox with filter value
// object_value_array format
// object_value_array[n] = option value
// object_value_array[n+1] = option text 1
// object_value_array[n+2] = option text 2
// object_value_array[n+3] = option filter value
function EW_updatecombo(obj, object_value_array, filter_value) {
	var value = obj.options[obj.selectedIndex].value;
	for (var i = obj.length-1; i > 0; i--) {
		obj.options[i] = null;
	}	
	for (var j=0; j<object_value_array.length; j=j+4) {
		if (object_value_array[j+3].toUpperCase() == filter_value.toUpperCase()) {
			EW_newopt(obj, object_value_array[j], object_value_array[j+1], object_value_array[j+2]);			
		}	
	}
	EW_selectopt(obj, value);
}

// Create combobox option 
function EW_newopt(obj, value, text1, text2) {
	var text = text1;
	if (text2 != "")
		text += ", " + text2;
	var optionName = new Option(text, value, false, false)
	var length = obj.length;
	obj.options[length] = optionName;
}

// Select combobox option
function EW_selectopt(obj, value) {
	for (var i = obj.length-1; i>=0; i--) {
		if (obj.options[i].value.toUpperCase() == value.toUpperCase()) {
			obj.selectedIndex = i;
			break;
		}
	}
}

// Get image width/height
function EW_getimagesize(file_object, width_object, height_object) {
	if (navigator.appVersion.indexOf("MSIE") != -1)	{
		myimage = new Image();
		myimage.onload = function () {
			width_object.value = myimage.width; height_object.value = myimage.height;
		}		
		myimage.src = file_object.value;
	}
}

// Get Netscape Version
function getNNVersionNumber() {
	if (navigator.appName == "Netscape") {
		var appVer = parseFloat(navigator.appVersion);
		if (appVer < 5) {
			return appVer;
		} else {
			if (typeof navigator.vendorSub != "undefined")
				return parseFloat(navigator.vendorSub);
		}
	}
	return 0;
}

// Get Ctrl key for multiple column sort
function ewsort(e, url) {	
	var ctrlPressed = 0;	
	if (parseInt(navigator.appVersion) > 3) {
		if (navigator.appName == "Netscape") {
			var ua = navigator.userAgent;
    	var isFirefox = (ua != null && ua.indexOf("Firefox/") != -1);
			if ((!isFirefox && getNNVersionNumber() >= 6) || isFirefox)				
				ctrlPressed = e.ctrlKey;
			else
				ctrlPressed = ((e.modifiers+32).toString(2).substring(3,6).charAt(1)=="1");			
		} else {
		 ctrlPressed = event.ctrlKey;
		}
		if (ctrlPressed) {
			var newPage = "<scr" + "ipt language=\"JavaScript\">setTimeout('window.location.href=\"" + url + "&ctrl=1\"', 10);</scr" + "ipt>";
			document.write(newPage);
			document.close();			
			return false;
		}
	}
	return true;
}

// Confirm Message
function ew_confirm(msg)
{
	var agree=confirm(msg);
	if (agree)
		return true ;
	else {
		return false ;
	}
}

// Confirm Delete Message
function ew_confirmdelete(msg)
{
	var agree = confirm(msg);
	if (agree)
		return true ;
	else {
		ew_cleardelete(); // clear delete status
		return false ;
	}
}

// Set mouse over color
function ew_mouseover(row) {
	row.mover = true; // mouse over
	if (!row.selected) {
		if (usecss)
			row.className = rowmoverclass;
		else
			row.style.backgroundColor = rowmovercolor;
	}
}

// Set mouse out color
function ew_mouseout(row) {
	row.mover = false; // mouse out
	if (!row.selected) {
		ew_setcolor(row);
	}
}

// Set row color
function ew_setcolor(row) {
	if (row.selected) {
		if (usecss)
			row.className = rowselectedclass;
		else
			row.style.backgroundColor = rowselectedcolor;
	}
	else if (row.edit) {
		if (usecss)
			row.className = roweditclass;
		else
			row.style.backgroundColor = roweditcolor;
	}
	else if ((row.rowIndex-firstrowoffset)%2) {
		if (usecss)
			row.className = rowaltclass;
		else
			row.style.backgroundColor = rowaltcolor;
	}
	else {
		if (usecss)
			row.className = rowclass;
		else
			row.style.backgroundColor = rowcolor;
	}
}

// Set selected row color
function ew_click(row) {
	if (row.deleteclicked)
		row.deleteclicked = false; // reset delete button/checkbox clicked
	else {
		var bselected = row.selected;
		ew_clearselected(); // clear all other selected rows
		if (!row.deleterow) row.selected = !bselected; // toggle
		ew_setcolor(row);		
	}
}

// Clear selected rows color
function ew_clearselected() {
	var table = document.getElementById(tablename);
	for (var i = firstrowoffset; i < (table.rows.length - lastrowoffset); i++) {
		var thisrow = table.rows[i];
		if (thisrow.selected && !thisrow.deleterow) {
			thisrow.selected = false;
			ew_setcolor(thisrow);
		}
	}
}

// Clear all row delete status
function ew_cleardelete() {
	var table = document.getElementById(tablename);
	for (var i = firstrowoffset; i < (table.rows.length - lastrowoffset); i++) {
		var thisrow = table.rows[i];
		thisrow.deleterow = false;
	}
}

// Click all delete button
function ew_clickall(chkbox) {
	var table = document.getElementById(tablename);
	for (var i = firstrowoffset; i < (table.rows.length - lastrowoffset); i++) {
		var thisrow = table.rows[i];
		thisrow.selected = chkbox.checked;
		thisrow.deleterow = chkbox.checked;
		ew_setcolor(thisrow);
	}
}

// Click single delete link
function ew_clickdelete() {
	ew_clearselected();
	var table = document.getElementById(tablename);
	for (var i = firstrowoffset; i < table.rows.length; i++) {
		var thisrow = table.rows[i];
		if (thisrow.mover) {
			thisrow.deleteclicked = true;
			thisrow.deleterow = true;
			thisrow.selected = true;
			ew_setcolor(thisrow);
			break;
		}
	}
}

// Click multi delete checkbox
function ew_clickmultidelete(chkbox) {
	ew_clearselected();
	var table = document.getElementById(tablename);
	for (var i = firstrowoffset; i < table.rows.length; i++) {
		var thisrow = table.rows[i];
		if (thisrow.mover) {
			thisrow.deleteclicked = true;
			thisrow.deleterow = chkbox.checked;
			thisrow.selected = chkbox.checked;
			ew_setcolor(thisrow);
			break;
		}
	}
}

//Check if string is numeric
function IsNumeric(strString){
   var strValidChars = "0123456789.-";
   var strChar;
   var blnResult = true;

   if (strString.length == 0) return false;

   //  test strString consists of valid characters listed above
   for (i = 0; i < strString.length && blnResult == true; i++)
      {
      strChar = strString.charAt(i);
      if (strValidChars.indexOf(strChar) == -1)
         {
         blnResult = false;
         }
      }
   return blnResult;
   }
   
function verifyTel (telephoneNumber) {

  // Convert into a string and check that we were provided with something
  var telnum = telephoneNumber + " ";
  if (telnum.length == 1)  {
     telNumberErrorNo = 1;
     return false
  }
  telnum.length = telnum.length - 1;
  
  // Don't allow country codes to be included (assumes a leading "+")
  var exp = /^(\+)[\s]*(.*)$/;
  if (exp.test(telnum) == true) {
     telNumberErrorNo = 2;
     return false;
  }
  
  // Remove spaces, dashes and brackets from the telephone number to help validation
  while (telnum.indexOf(" ")!= -1)  {
    telnum = telnum.slice (0,telnum.indexOf(" ")) + telnum.slice (telnum.indexOf(" ")+1)
  }
  while (telnum.indexOf("(")!= -1)  {
    telnum = telnum.slice (0,telnum.indexOf("(")) + telnum.slice (telnum.indexOf("(")+1)
  }
  while (telnum.indexOf(")")!= -1)  {
    telnum = telnum.slice (0,telnum.indexOf(")")) + telnum.slice (telnum.indexOf(")")+1)
  }
  while (telnum.indexOf("-")!= -1)  {
    telnum = telnum.slice (0,telnum.indexOf("-")) + telnum.slice (telnum.indexOf("-")+1)
  }  
  
  // Now check that all the characters are digits
  exp = /^[0-9]{10,11}$/
  if (exp.test(telnum) != true) {
     telNumberErrorNo = 3;
     return false;
  }
  
  // Now check that the first digit is 0
  exp = /^0[0-9]{9,10}$/
  if (exp.test(telnum) != true) {
     telNumberErrorNo = 4;
     return false;
  }
  
  //Check that it's not a premium number
  if (telnum.indexOf("070") == 0 || telnum.indexOf("0845") == 0) {
     telNumberErrorNo = 6;
     return false;
  }
  
  
  // Finally check that the telephone number is appropriate.
  exp = /^(01|02|03|05|070|077|07624|075|078|079)[0-9]+$/;
  if (exp.test(telnum) != true) {
     telNumberErrorNo = 5;
     return false;
  }
  
  if (telnum.length == 10){
  telnum = telnum + "0"
  }
  
  // Telephone number seems to be valid - return the stripped telehone number  
  return telnum;
}
var telNumberErrorNo = 0;
var telNumberErrors = new Array ();
telNumberErrors[0] = "Valid UK telephone number";
telNumberErrors[1] = "Telephone number not provided";
telNumberErrors[2] = "UK telephone number without the country code, please";
telNumberErrors[3] = "UK telephone numbers should contain 10 or 11 digits";
telNumberErrors[4] = "The telephone number should start with a 0";
telNumberErrors[5] = "The telephone number is either invalid or inappropriate";  
telNumberErrors[6] = "070x and 0845 numbers are not permitted";    

function verifyPC (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 convertDbDate (DbDate) {
var day = DbDate.substring(0, 2);
var month = DbDate.substring(3, 5);
var year = DbDate.substring(6);

var return_date = new Date()
return_date.setYear(year)
return_date.setMonth(month -1)
return_date.setDate(day) 

return return_date;
}


function daysElapsed(sourceDate) {
var date1 = new Date()
var date2 = convertDbDate (sourceDate)

    // The number of milliseconds in one day
    var ONE_DAY = 1000 * 60 * 60 * 24

    // Convert both dates to milliseconds
    var date1_ms = date1.getTime()
    var date2_ms = date2.getTime()

    // Calculate the difference in milliseconds
    var difference_ms = Math.abs(date1_ms - date2_ms)
    
    // Convert back to days and return
    var retval = Math.round(difference_ms/ONE_DAY)
	return retval

}

// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strDay=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		alert("The date format should be : dd/mm/yyyy")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter a valid month")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter a valid day")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date")
		return false
	}
return true
}