if you are a beginner javascript programmer, you might find this short tutorial helpful.

this small code shows you how you can get the value of a select option field and use it in your javascript. this is helpful if you are writting ajax form

1. step one is to open your text editor. i am using windows, so i will use notepad. copy and paste this code into a blank notepad:
<!--
############## CREATED BY WWW.WEBUNE.COM ###############
############## COPYRIGHT UGN/GPL 2010 #################
############# PLEASE DO NOT REMOVE THIS ###############
-->
<p>This small script shows you how to get the javascript value in a web form.<br /></p>

<script type="text/javascript">
function alertselected(){
	var Field = document.getElementById('sample');
 alert('Tab index = ' + Field.selectedIndex + ' \n value = ' + Field.value + ' \n type = ' + Field.type )
}
</script>

<form id="someform">
<select id="sample" >
Whats your favorite coutry?<br>
    <option value="US">USA</option>
    <option value="CA">CANADA</option>
    <option value="MX">MEXICO</option>
</select>
<input type="button" onClick="alertselected()" value="alert" />
</form>

<p><img src="http://www.webune.com/images/headers/default_logo.jpg" /></p>
<p>Script Created by www.<a href="http://www.webune.com">Webune.com</a></p> 


2. save the file as form-select.html and then open it with your browser to see it in action or you can download the complete code in the attachment on this topic

demo:

Whats your favorite coutry? :



hope that helps
form-select.html