function validateProfile(notloggedin){
	
	var canValidate = validateDetails(notloggedin);
	if(canValidate){
		document.memberProfile.submit();
	} else {
	return false;
	}
}

function validateDetails(notloggedin) {
	
	var doc = document.memberProfile;	
	
	var nickname = doc.nickname.value;
	var firstname = doc.firstname.value;	
	var lastname = doc.lastname.value;	
	var email = doc.email.value;
	var validemail = doc.valemail.value;	
	if(notloggedin){
		var email2 = doc.reconfirmemail.value;
	}
	var dob = doc.dob.value
	var postcode = doc.postcode.value;
	var mobile = doc.mobile.value;
	if(nickname == ""){
		alert("You have not entered your nickname");
		return false;
	}
	if(firstname == ""){
		alert("You have not entered your firstname");
		return false;
	}
	if(lastname == ""){
		alert("You have not entered your lastname");
		return false;
	}
	if(email == ""){
		alert("You have not entered your email address");
		return false;
	}
	if(email != ""){
		var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/;
		if(!email.match(emailExp)){
			alert('Email address is invalid');
			return false;
		}
	}
	/*if(validemail == 0){
		alert("The email you have entered has either been used or is not valid. A green tick will indicate a valid email.");
		return false;
	}*/
	if(notloggedin){
		if(email != email2){
			alert("Your email addresses do not match, please ensure the same email address is used for both");
			return false;
		}
	}
	if(dob == ""){
		alert("You have not seected your dob");
		return false;
	}
	/*if(town == ""){
		alert("You have not entered the town nearest to your residence");
		return false;
	}*/
	if(postcode == ""){
		alert("You have not entered your postcode");
		return false;
	}
	if(postcode != ""){
		var pc = checkPostCode (postcode);
		if(pc == false){
			alert('Postcode Invalid');
			return false;
		}
		else{
			//alert(pc);
			doc.postcode.value = pc;
		}
	}
	if(mobile == ""){
		alert("You have not entered your mobile number");
		return false;
	}
	if(mobile != ""){
		var numericExpression = /^[0-9]+$/;
		if(!mobile.match(numericExpression)){
			alert('The mobile entered must contain only numbers and no spaces');
			return false;
		}
	}
	if(notloggedin){
		var password = doc.password.value;
		var passwordConfirm = doc.passwordConfirm.value;
		if(password == ""){
			alert("You have not entered a password");
			return false;
		}
		if(passwordConfirm == ""){
			alert("You have not confirmed your password");
			return false;
		}
		if(password != passwordConfirm){
			alert("Your passwords do not match. Please try again.");
			return false;
		}
		if(doc.agree.checked == false){
			alert("You must agree to the terms and conditions in order to create an account.");
			return false;
		}
		
	}
	return true;

}


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);
  
  // Overseas Territories
  pcexp.push (/^([A-Z]{4})(\s*)(1ZZ)$/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;
}