#Problem: the TD with id "email_error" does not display anything when I try to apply innerHTML text to it
#My javascript below
// Validation Code v2.0 (By Murdoc)
function validate_form(){
var status = true;
if ( user_check() == false ){
status = false;
alert ("user not ok");
}
if ( email_check() == false ){
status = false;
document.getElementById('email_error').innerHTML = 'error';
alert ('email');
}
if ( pw_check() == false ){
status = false;
alert ('pw');
}
if ( confirm_pw_check() == false ){
status = false;
alert ('confirm pw');
}
if ( vcode_check() == false ){
status = false;
alert ('vcode');
}
alert ('status' + status);
return status;
}
function validate_email (email){
var regex =/^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-Z0-9]{2,3}$/;
if (email.value.match(regex)){
return true;
}else{
return false;
}
}
function pw_check(){
var pw = document.getElementById('pw');
if (pw.value.length < 6 || pw.value.length > 32){ //password check
document.getElementById('pw_error').innerHTML =
'Please enter a 6 - 32 character password';
return false;
}else{
document.getElementById('pw_error').innerHTML ='';
}
}
function confirm_pw_check(){
var pw = document.getElementById('pw');
var confirm_pw = document.getElementById('confirm_pw');
if (confirm_pw.value.length==0){ //Confim pw check
document.getElementById('confirm_pw_error').innerHTML =
'Please re-enter the password';
return false;
}else{
document.getElementById('confirm_pw_error').innerHTML ='';
}
if (confirm_pw.value != pw.value){//pw match check
document.getElementById('confirm_pw_error').innerHTML =
'Passwords did not match';
confirm_pw.value="";
return false;
}
}
function validate_user (uname){
var regex =/^[\w\-\.]+$/;
if (uname.value.match(regex)){
return true;
}else{
return false;
}
}
function initial_focus (){
var uname = document.getElementById("user");
uname.focus();
}
function user_check() {
//checks if user name field is empty
var uname = document.getElementById("user");
if (uname.value.length==0){//username check
document.getElementById('username_error').innerHTML = 'Please enter a username';
return false;
}
else if (validate_user(uname)==false){
document.getElementById('username_error').innerHTML=
'you can only use: "_", "-" and "." as special characters';
return false;
}
//performs ajax request
var ajaxRequest;
try{
//FF, opera, safari
ajaxRequest=new XMLHttpRequest();
}
catch (e){
try{
ajaxRequest = new ActiveXObject("Msxm12.XMLHTTP");
}catch (e){
try{
ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
}catch (e){
alert("Your broser does not support AJAX");
return false;
}
}
}
// Create a function that will receive data sent from the server
ajaxRequest.onreadystatechange = function(){
if(ajaxRequest.readyState == 4){
document.getElementById('username_error').innerHTML = ajaxRequest.responseText;
var msg = ajaxRequest.responseText;
//alert(msg);
var trueFalse;
if (msg == 'Username already exists'){
trueFalse = false;
}else{
trueFalse = true;
}
document.write(msg);
return trueFalse;
}
}
var uname=document.registration_form.user.value;
var query_string = "?user=" + uname;
ajaxRequest.open("GET", "lib/ajax_user_check.php" + query_string, true);
ajaxRequest.send(null);
}
function email_check() {
var status = true;
var email = document.getElementById('email');
if (email.value.length==0){//Email check
document.getElementById('email_error').innerHTML =
'Please enter your email address';
status = false;
}
else if (validate_email(email)==false){//email validation
document.getElementById('email_error').innerHTML=
'please enter a valid email address';
status = false;
}
var ajaxRequest;
try{
//FF, opera, safari
ajaxRequest=new XMLHttpRequest();
}catch (e){
try
{
ajaxRequest = new ActiveXObject("Msxm12.XMLHTTP");
}
catch (e)
{
try
{
ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
}
catch (e)
{
alert("Your broser does not support AJAX");
status = false;
}
}
}
// Create a function that will receive data sent from the server
ajaxRequest.onreadystatechange = function(){
if(ajaxRequest.readyState == 4){
document.getElementById('email_error').innerHTML = ajaxRequest.responseText;
//alert(document.getElementById('email_error').innerHTML);
var msg = document.getElementById('email_error').innerHTML;
if (msg ==
'Email already exists. Have you forgotten your pw?')
{
status = false;
}
}
}
var email=document.getElementById('email').value;
var query_string = "?email=" + email;
ajaxRequest.open("GET", "lib/ajax_email_check.php" + query_string, true);
ajaxRequest.send(null);
return status;
}
function vcode_check() {
var vcode = document.getElementById('image_code');
if (vcode.value.length==0){//Vcode check
document.getElementById('vcode_error').innerHTML =
'Please enter image text';
return false;
}else{
document.getElementById('vcode_error').innerHTML =''
}
var ajaxRequest;
try{
//FF, opera, safari
ajaxRequest=new XMLHttpRequest();
}catch (e){
try
{
ajaxRequest = new ActiveXObject("Msxm12.XMLHTTP");
}
catch (e)
{
try
{
ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
}
catch (e)
{
alert("Your broser does not support AJAX");
return false;
}
}
}
// Create a function that will receive data sent from the server
ajaxRequest.onreadystatechange = function(){
if(ajaxRequest.readyState == 4){
document.getElementById('vcode_error').innerHTML = ajaxRequest.responseText;
//alert(document.getElementById('email_error').innerHTML);
var msg = document.getElementById('vcode_error').innerHTML;
if (msg ==
'Invalid VCode entry')
{
return false;
}
else
{
return true;
}
}
}
var query_string = "?vcode=" + vcode.value;
ajaxRequest.open("GET", "lib/ajax_vcode_check.php" + query_string, true);
ajaxRequest.send(null);
}
function reset_error_msg(){
document.getElementById('username_error').innerHTML ='';
document.getElementById('pw_error').innerHTML ='';
document.getElementById('confirm_pw_error').innerHTML ='';
document.getElementById('email_error').innerHTML ='';
document.getElementById('vcode_error').innerHTML ='';
}
#My HTML below
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