// Copyright © 2001 by Apple Computer, Inc., All Rights Reserved.
//
// You may incorporate this Apple sample code into your own code
// without restriction. This Apple sample code has been provided "AS IS"
// and the responsibility for its operation is yours. You may redistribute
// this code, but you are not permitted to redistribute it as
// "Apple sample code" after having made changes.

// email

String.prototype.pad = function(l, s, t){
	return s || (s = " "), (l -= this.length) > 0 ? (s = new Array(Math.ceil(l / s.length)
		+ 1).join(s)).substr(0, t = !t ? l : t == 1 ? 0 : Math.ceil(l / 2))
		+ this + s.substr(0, l - t) : this;
};

function xwin(url, name, width, height, features){
	var l = (window.screen.availWidth) ? (window.screen.availWidth - width)/2 : 0;
	var t = (window.screen.availHeight) ? (window.screen.availHeight - height)/2 : 0;
	if (typeof(features) == 'string')
		features = ',' + features;

	var w = window.open(url, name, 'top=' + t + ',left=' + l + ',height=' + height + ',width=' + width + ', scrollbars=auto' + features);
	if (!w) return;
	w.resizeTo(width, height);
	return w;
}

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 10 digits

function checkPhone (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a phone number.\n";
}

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 == 10)) {
    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 = "You didn't enter a password.\n";
}

    var illegalChars = /[\W_]/; // allow only letters and numbers
    
    if ((strng.length < 4) || (strng.length > 20)) {
       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;    
}    


// username - 4-10 chars, uc, lc, and underscore only.

function checkUsername (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a Username.\n";
}


    var illegalChars = /\W/; // allow letters, numbers, and underscores
    if ((strng.length < 4) || (strng.length > 35)) {
       error = "The Username is the wrong length. (4-35) \n";
    }
		
		/*
    else if (illegalChars.test(strng)) {
    error = "The Username contains illegal characters.\n";
    } 
		*/
return error;
}       


// non-empty textbox

function isEmpty(strng,field) {
var error = "";
  if (strng.length == 0) {
     error = "The "+field+" 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,field) {
var error = "";
    if (choice == 0) {
    error = "You didn't choose an option from the "+field+" drop-down list.\n";
    }    
return error;
}    

function getField(id)
	{
			return document.getElementById(id);
	}

function checkWholeForm() {
    var why = "";
    why += checkUsername(getField('username').value);
    why += isEmpty(getField('password').value,'Password');
    why += isEmpty(getField('password2').value,'Retype Pass');

		why += checkPassword(getField('password').value);
	
		if(getField('password').value != getField('password2').value)
    why += 'Password mismatch.';
		 
    why += isEmpty(getField('firstname').value,'First Name');
    why += isEmpty(getField('lastname').value,'Last Name');
    why += isEmpty(getField('address1').value,'Address 1');
    why += isEmpty(getField('city').value,'City');

		
		if(getField('stateid'))
		why += checkDropdown(getField('stateid').value,'State/Province');
		else if(getField('other_state'))
		why += isEmpty(getField('other_state').value,'State/Province');
		
		why += isEmpty(getField('zipcode').value,'Zip Code');
		why += isEmpty(getField('countryid').value,'Country');
		why += checkEmail(getField('email').value,'Email');
		
  		
    why += isEmpty(getField('securityCode').value,'Security Code');

    if (why != "") {
       alert(why);
       return false;
    }
return true;
}

function checkRegisterTemp2() {
    var why = "";
    why += checkUsername(getField('username').value);
    why += isEmpty(getField('password').value,'Password');
    why += isEmpty(getField('password2').value,'Retype Pass');

		why += checkPassword(getField('password').value);
		
		if(getField('password').value != getField('password2').value)
    why += 'Password mismatch.';
		 
    why += isEmpty(getField('firstname').value,'First Name');
    why += isEmpty(getField('lastname').value,'Last Name');
    why += isEmpty(getField('address1').value,'Address 1');
    why += isEmpty(getField('city').value,'City');

		
		if(getField('stateid'))
		why += checkDropdown(getField('stateid').value,'State/Province');
		else if(getField('other_state'))
		why += isEmpty(getField('other_state').value,'State/Province');
		
		why += isEmpty(getField('zipcode').value,'Zip Code');
		why += isEmpty(getField('countryid').value,'Country');
		why += checkEmail(getField('email').value,'Email');
		
  		
    why += isEmpty(getField('securityCode').value,'Security Code');

    if (why != "") {
       alert(why);
       return false;
    }
return true;
}

function checkPreferences() {
    var why = "";

    why += isEmpty(getField('username').value,'Username');
    why += isEmpty(getField('email').value,'E-Mail');
    why += isEmpty(getField('firstname').value,'First Name');
    why += isEmpty(getField('lastname').value,'Last Name');
    why += isEmpty(getField('address1').value,'Address 1');
    why += isEmpty(getField('city').value,'City');		
		why += isEmpty(getField('zipcode').value,'Zip Code');

    if (why != "") {
       alert(why);
       return false;
    }
		
return true;
}


function checkPayment() {
    var why = "";
    why += isEmpty(getField('cardfname').value,'First Name');
    why += isEmpty(getField('cardlname').value,'Last Name');
		
		why += checkDropdown(getField('expirey').selectedIndex,'Year');
	  why += checkDropdown(getField('expirem').selectedIndex,'Month');
			
		why += isEmpty(getField('cardno').value,'Credit Card Number');
		why += isEmpty(getField('billaddress').value,'Billing Address');
		why += isEmpty(getField('billcity').value,'City');
		why += isEmpty(getField('billstate').value,'State');
		why += isEmpty(getField('billzip').value,'Zip/Postal Code');
  
   

	

    if (why != "") {
       alert(why);
       return false;
    }
return true;
}