//Progessive Intl
// 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 checkWholeForm() {
    var why = "";
    why += checkEmail(TestPanel.email.value);
    why += checkPhone(TestPanel.phone.value);
    why += isEmpty(TestPanel.notempty.value);
    why += isDifferent(TestPanel.different.value);
    for (i=0, n=TestPanel.radios.length; i<n; i++) {
        if (TestPanel.radios[i].checked) {
            var checkvalue = TestPanel.radios[i].value;
            break;
        } 
    }
    why += checkRadio(checkvalue);
    why += checkDropdown(TestPanel.choose.selectedIndex);
    if (why != "") {
       alert(why);
       return false;
    }
return true;
}

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 < 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 > 10)) {
       error = "The username is the wrong length.\n";
    }
    else if (illegalChars.test(strng)) {
    error = "The username contains illegal characters.\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 checkRadio1(checkvalue1) {
var error = "";
   if (!(checkvalue1)) {
       error = "What is your gender? Please check a radio button.\n";
    }
return error;
}

function checkRadio2(checkvalue2) {
var error = "";
   if (!(checkvalue2)) {
       error = "Would you be willing to receive and respond to surveys by email? Please check a radio button.\n";
    }
return error;
}

function checkRadio3(checkvalue3) {
var error = "";
   if (!(checkvalue3)) {
       error = "How often do you cook? Please check a radio button.\n";
    }
return error;
}

function checkRadio4(checkvalue4) {
var error = "";
   if (!(checkvalue4)) {
       error = "Do you have children under the age of 18 in your house? 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;
}    


//Rollover images preload & Flash Detection
   
//Login
nav1n = new Image(164, 100);
nav1n.src = "images/bp_login_n.gif";
nav1r = new Image(164, 100);
nav1r.src = "images/bp_login_r.gif";   

//this javascript code makes sure that important elements are filled out before submission to the database
function Validate () {
    //test for empty text fields	
	if (document.TestPanel.first_name.value==""){
   	//change alert text to correspond to the form elements purpose
		alert("Please enter your first name");
		document.TestPanel.first_name.focus();
		return false;
	}
	if (document.TestPanel.last_name.value==""){
		alert("Please enter your last name");
		document.TestPanel.last_name.focus();
		return false;
	}
	if (document.TestPanel.address.value==""){
		alert("Please enter your address");
		document.TestPanel.address.focus();
		return false;
	}
	if (document.TestPanel.city.value==""){
		alert("Please enter your city");
		document.TestPanel.city.focus();
		return false;
	}
	if (document.TestPanel.zip_code.value==""){
		alert("Please enter your zip code");
		document.TestPanel.zip_code.focus();
		return false;
	}
	if (document.TestPanel.email.value==""){
		alert("Please enter your email address");
		document.TestPanel.email.focus();
		return false;
	}
	if (document.TestPanel.phone.value==""){
		alert("Please enter your phone number");
		document.TestPanel.phone.focus();
		return false;
	}
	if (document.TestPanel.dob.value==""){
		alert("Please enter your date of birth");
		document.TestPanel.dob.focus();
		return false;
	}
   //test for href in text fields	
   if (document.TestPanel.first_name.value.match(/href/))
	{
		alert("Sorry. To prevent spam you cannot place a URL in any of the form fields.");
		document.TestPanel.first_name.focus();
		return false;
   }	
   if (document.TestPanel.last_name.value.match(/href/))
	{
		alert("Sorry. To prevent spam you cannot place a URL in any of the form fields.");
		document.TestPanel.last_name.focus();
		return false;
   }	
   if (document.TestPanel.address.value.match(/href/))
	{
		alert("Sorry. To prevent spam you cannot place a URL in any of the form fields.");
		document.TestPanel.address.focus();
		return false;
   }	
   if (document.TestPanel.address.value.match(/href/))
	{
		alert("Sorry. To prevent spam you cannot place a URL in any of the form fields.");
		document.TestPanel.address.focus();
		return false;
   }	
   if (document.TestPanel.city.value.match(/href/))
	{
		alert("Sorry. To prevent spam you cannot place a URL in any of the form fields.");
		document.TestPanel.city.focus();
		return false;
   }	
   if (document.TestPanel.zip_code.value.match(/href/))
	{
		alert("Sorry. To prevent spam you cannot place a URL in any of the form fields.");
		document.TestPanel.zip_code.focus();
		return false;
   }	
   if (document.TestPanel.phone.value.match(/href/))
	{
		alert("Sorry. To prevent spam you cannot place a URL in any of the form fields.");
		document.TestPanel.phone.focus();
		return false;
   }	
   if (document.TestPanel.dob.value.match(/href/))
	{
		alert("Sorry. To prevent spam you cannot place a URL in any of the form fields.");
		document.TestPanel.dob.focus();
		return false;
   }	
   //test for http in text fields
   if (document.TestPanel.first_name.value.match(/http/))
	{
		alert("Sorry. To prevent spam you cannot place a URL in any of the form fields.");
		document.TestPanel.first_name.focus();
		return false;
   }	
   if (document.TestPanel.last_name.value.match(/http/))
	{
		alert("Sorry. To prevent spam you cannot place a URL in any of the form fields.");
		document.TestPanel.last_name.focus();
		return false;
   }	
   if (document.TestPanel.address.value.match(/http/))
	{
		alert("Sorry. To prevent spam you cannot place a URL in any of the form fields.");
		document.TestPanel.address.focus();
		return false;
   }	
   if (document.TestPanel.address.value.match(/http/))
	{
		alert("Sorry. To prevent spam you cannot place a URL in any of the form fields.");
		document.TestPanel.address.focus();
		return false;
   }	
   if (document.TestPanel.city.value.match(/http/))
	{
		alert("Sorry. To prevent spam you cannot place a URL in any of the form fields.");
		document.TestPanel.city.focus();
		return false;
   }	
   if (document.TestPanel.zip_code.value.match(/http/))
	{
		alert("Sorry. To prevent spam you cannot place a URL in any of the form fields.");
		document.TestPanel.zip_code.focus();
		return false;
   }	
   if (document.TestPanel.phone.value.match(/http/))
	{
		alert("Sorry. To prevent spam you cannot place a URL in any of the form fields.");
		document.TestPanel.phone.focus();
		return false;
   }	
   if (document.TestPanel.dob.value.match(/http/))
	{
		alert("Sorry. To prevent spam you cannot place a URL in any of the form fields.");
		document.TestPanel.dob.focus();
		return false;
   }
   	var why = "";
    why += checkEmail(TestPanel.email.value);
    why += checkPhone(TestPanel.phone.value);
    for (i=0, n=TestPanel.gender.length; i<n; i++) {
        if (TestPanel.gender[i].checked) {
            var checkvalue1 = TestPanel.gender[i].value;
            break;
        } 
    }
    why += checkRadio1(checkvalue1);
    
    for (i=0, n=TestPanel.surveys.length; i<n; i++) {
        if (TestPanel.surveys[i].checked) {
            var checkvalue2 = TestPanel.surveys[i].value;
            break;
        } 
    }
    why += checkRadio2(checkvalue2);
    
    for (i=0, n=TestPanel.cook.length; i<n; i++) {
        if (TestPanel.cook[i].checked) {
            var checkvalue3 = TestPanel.cook[i].value;
            break;
        } 
    }
    why += checkRadio3(checkvalue3);
    
    for (i=0, n=TestPanel.children.length; i<n; i++) {
        if (TestPanel.children[i].checked) {
            var checkvalue4 = TestPanel.children[i].value;
            break;
        } 
    }
    why += checkRadio4(checkvalue4);
    
    if (why != "") {
       alert(why);
       return false;
    }
   	return true
}