// 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

function checkEmail (strng) {
var error="";
if (strng == "") {
   error = "You didn't enter an email address.\n";
}

    var emailFilter=/^.+@.+\..{2,}$/;
    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 < 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;    
}    


// 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. (4-15) \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() {

	$.ajax (
		{
			'type'		: 'POST',
			'url'		: 'checkCode.php',
			'data'		: 'code=' + getField('code').value + '&field=questionSecurityCode',
			'success'	: function (msg) {

				var why = "";
				why += isEmpty(getField('fullname').value,'Fullname');
				why += isEmpty(getField('email').value,'Email');
				why += isEmpty(getField('title').value,'Title');
				why += isEmpty(getField('company').value,'Company');
				why += isEmpty(getField('question').value,'Question');
				why += checkEmail(getField('email').value,'Email');
				why += isEmpty(getField('code').value,'Security Code');

				if (
					msg.childNodes[0].nodeName != 'error' &&
					msg.childNodes[0].firstChild.nodeValue == '-'
				) why += 'Invalid Security Code!' + "\n";

				if (why != "") {

					alert (why);
					return false;

				} else document.forms['questionForm'].submit();

			}
		}
	);

	return false;

}


function checkComment() {

	$.ajax (
		{
			'type'		: 'POST',
			'url'		: 'checkCode.php',
			'data'		: 'code=' + getField('code').value + '&field=commentSecurityCode',
			'success'	: function (msg) {

				var why = "";
				why += isEmpty(getField('email').value,'Email');
				why += isEmpty(getField('firstname').value,'First Name');
				why += isEmpty(getField('lastname').value,'Last Name');
				why += isEmpty(getField('comments').value,'Comments');
				why += checkEmail(getField('email').value,'Question');
				why += isEmpty(getField('code').value,'Security Code');

				if (
					msg.childNodes[0].nodeName != 'error' &&
					msg.childNodes[0].firstChild.nodeValue == '-'
				) why += 'Invalid Security Code!' + "\n";

				if (why != "") {

					alert (why);
					return false;

				} else document.forms['commentForm'].submit();

			}
		}
	);

	return false;

}

function checkKit() {

	$.ajax (
		{
			'type'		: 'POST',
			'url'		: 'checkCode.php',
			'data'		: 'code=' + getField('code').value + '&field=kitSecurityCode',
			'success'	: function (msg) {

				var why = "";
				why += isEmpty(getField('fullname').value,'Full Name');
				why += isEmpty(getField('email').value,'Email');
				why += checkEmail(getField('email').value,'Email');
				why += isEmpty(getField('company').value,'Company');
				why += isEmpty(getField('title').value,'Title');
				why += isEmpty(getField('phone').value,'Phone');
				why += isEmpty(getField('code').value,'Security Code');

				if (
					msg.childNodes[0].nodeName != 'error' &&
					msg.childNodes[0].firstChild.nodeValue == '-'
				) why += 'Invalid Security Code!' + "\n";

				if (why != "") {

					alert (why);
					return false;

				} else document.forms['kitForm'].submit();

			}
		}
	);

	return false;

}