hi there
thank you for helping me before but i have new problem with javascript i need to disable the selection list wheb the checkboxes are unchecked and enable when they are checked
this my code so far

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">

<script type="text/javascript">
function setBoxes(obj)
  if (obj.value=="yes")
     for (i=0; i<document.getElementById("test").classes.length; i++)
     for (i=0; i<document.getElementById("test").classes.length; i++)

function checkForm() {
var el = document.forms[0].elements;
for(var i = 0 ; i < el.length ; ++i) {
if(el[i].type == "radio") {
var radiogroup = el[el[i].name];
var itemchecked = false;
for(var j = 0 ; j < radiogroup.length ; ++j) {
if(radiogroup[j].checked) {
itemchecked = true;
if(!itemchecked) {
alert("Please Answer Question One");
return false;
return true;



<style type="text/css">
	body {background:#DDA0DD; color:#8A2BE2  ; font-size:1.0em;
	      font-family: verdana;} 
	h1 { font-family: sans-serif;font-size:1.3em} 
    h2 { font-family: sans-serif;font-size:1.2em}	
<form id="test" method="post" action="http://tl28serv.uws.edu.au/twainfo/form.asp" onsubmit="return checkForm(this);" >
<script type="text/javascript">
function select(obj)

if (obj.name=="classes")
 for (i=0; i<document.getElementById("test").class.length; i++)
for (i=0; i<document.getElementById("test").class.length; i++)

<h1> Get Me Fit Quick-Quick Member Survey </h1>
<h2> Please Take a minute to fill in the form below. We Value Your Feedback-Thanks</h2>
<p> 1. How many times per week Have you been visiting our Gymnasium since becoming 
a member?<br/>
<input type="radio" name="visites"  value="yes" onclick="setBoxes(this);" />Once per week<br/>
<input type="radio" name="visites" value="yes" onclick="setBoxes(this);" /> Twice a week<br/>
<input type="radio" name="visites" value="yes" onclick="setBoxes(this);" /> Three times a week<br/>
<input type="radio" name="visites"  value="yes" onclick="setBoxes(this);" /> Four or more times per a week <br/>
<input type="radio" name="visites" value="no" onclick="setBoxes(this);"/> I have not visited since joining (sigh) </p> 
<p> 2. Which our classes have you attended?<br/>
<input type="checkbox" name="classes"  value="1" onclick="select(this);"  /> Aerobics<br/>
<input type="checkbox" name="classes"  value="2" onclick="select(this);"    /> Boxing<br/>
<input type="checkbox" name="classes" value="3"   onclick="select(this);"  /> Circuit Class<br/>
<input type="checkbox" name="classes"  value="4"  onclick="select(this);"   /> Weight Training </p>
<p> 3. Which of the above classes has been <b> most</b> beneficial for you?<br/>
(You can only choose one from list)<select name="class"  size="1" style="color:#FFFFFF; background-color:#8A2BE2">
<option value="Choose"> - -Please Choose- -  </option>
<option value="AER">Aerobics</option>  
<option value="Box">Boxing</option>
<option value="Circuit">Circuit Class</option>
<option value="Weight">Weight Training</option></select></p>
<p> 4.Do you think you are recieving good value for money from your membership?<br/>
<input type="radio" name="value"  value="yes" />Yes<br/>
<input type="radio" name="value" value="no" />No</p>
<p> 5. If you answered Yes to question above, how much <b> MORE</b> would you be willing to pay<br/>
     for your membership?$ <input type="text" name="money" style=" background-color:#8A2BE2;border:0px;color:#FFFFFF ;" /></p> 
<p>Today's Date 
<!-- this is java script to represent current date -->
<script type="text/javascript">
<!-- hide from old browsers
var today = new Date()
var month = today.getMonth()+1
var year = today.getYear()
var day = today.getDate()
if(day<10) day = "0" + day
if(month<10) month= "0" + month
if(year<1000) year+=1900

document.write("<input name=date type=text readonly=readonly value=" + day + "/" + month + "/" + year + ">")
</script>  </p>                          
	 <p> <input type="submit" value="Finshed Survey" style=" background-color:#8A2BE2;color:#FFFFFF ; border:1.0px;border-color:#FFFFFF" ONCLICK= "return checkForm()"/>
    <input type="reset"  value="Reset Survey" style=" background-color:#8A2BE2;color:#FFFFFF ; border:1px"/></p> 

So, what doesn't seem to be working? Start off with a minimalistic approach rather than trying to incorporate the functionality into your existing complicated code. Use an excellent Firefox addon Firebug to debug your Javascript. You can view the Javascript errors in Firebug as well as Firefox's Error console [Tools -> Error console].

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