<!--


//Adapted from "Apple Sample Code by Apple Computer, Inc.

// email

function checkEmail (strng) {

var error="";
if (strng == "") {
   error = "You didn't enter an email address.\n";
}

    var emailFilter=/^.+@.+\..{2,3}$/;
    if (!(emailFilter.test(strng))) { 
       error = "- Please enter a valid email address.\n";
    }
    else {
//test email for illegal characters
       var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/
         if (strng.match(illegalChars)) {
          error = "- The email address contains illegal characters.\n";
       }
    }
return error;    
}


// phone number - strip out delimiters and check for 11 digits

function checkPhone (strng) {
var error = "";
if (strng == "") 
{
   error = "- Please enter a phone number.\n";
}
else
{
 		var stripped = strng.replace(/[\(\)\.\-\ ]/g, ''); //strip out acceptable non-numeric characters
    if (isNaN(parseInt(stripped))) {
       error = "- The phone number contains illegal characters.";
  
    }
    if (!(stripped.length >= 11)) {
		error = "- The phone number is the wrong length. Make sure you included an area code.\n";
    }
} 
return error;
}


// password - between 6-8 chars, uppercase, lowercase, and numeral

function checkPassword (strng) {
var error = "";
if (strng == "") {
   error = "- Please enter a password.\n";
}

    var illegalChars = /[\W_]/; // allow only letters and numbers
    
    if ((strng.length < 6) || (strng.length > 8)) {
       error = "- The password is the wrong length.\n";
    }
    else if (illegalChars.test(strng)) {
      error = "- The password contains illegal characters.\n";
    } 
    else if (!((strng.search(/(a-z)+/)) && (strng.search(/(A-Z)+/)) && (strng.search(/(0-9)+/)))) {
       error = "- The password must contain at least one uppercase letter, one lowercase letter, and one numeral.\n";
    }  
return error;    
}    


// name - not empty

function checkName (strng, who) 
{
 var error = "";
 
 if (strng == "") 
	 {
	 switch (who)
	 				{
	 				case "G":
								error = "- Please enter the first name and surname of the Bride/Partner.\n";
								break;
					case "B":
								error = "- Please enter the first name and surname of the Groom/Partner.\n";
								break;
					default:
								error = "- Please enter your name.\n";
					}
	 }
return error;
}

function checkName (strng, who) {
 var error = "";
 if (strng == "") {
								error = "- Please enter your first name.\n";
	 }
return error;
}

function checkSurname (strng, who) {
 var error = "";
 if (strng == "") {
						error = "- Please enter your surname.\n";
	 }
return error;
}

function checkGroomName (strng, who) {
 var error = "";
 if (strng == "") {
								error = "- Please enter your partner's first name.\n";
	 }
return error;
}

function checkGroomSurname (strng, who) {
 var error = "";
 if (strng == "") {
								error = "- Please enter your partner's surname.\n";
	 }
return error;
}

// non-empty textbox

function isEmpty(strng) {
var error = "";
  if (strng.length == 0) {
     error = "- The mandatory text area has not been filled in.\n"
  }
return error;	  
}

// was textbox altered

function isDifferent(strng) {
var error = ""; 
  if (strng != "Can\'t touch this!") {
     error = "- You altered the inviolate text area.\n";
  }
return error;
}

// exactly one radio button is chosen

function checkRadio(checkvalue) {
var error = "";
   if (!(checkvalue)) {
       error = "- Please check a radio button.\n";
    }
return error;
}

// valid selector from dropdown list

function checkDropdown(choice) {
var error = "";
    if (choice == 0) {
    error = "- You didn't choose an option from the drop-down list.\n";
    }    
return error;
}


-->