/*
* File: selector.js
* Authors: Dynamic Site Solutions
* Copyright: 2005-2010 Dynamic Site Solutions
* Contact: http://www.dynamicsitesolutions.com/
* Date: 02/11/06
* Updated: 01/01/11
* Description: show a textbox when an option is selected
* Link: http://www.dynamicsitesolutions.com/javascript/select-option-show-textbox/
*
* BSEM Marketing Limited
* Registered number 6783507
* Registered in England and Wales
*
*/

if(document.all && !document.getElementById) {
document.getElementById = function(id) { return document.all[id]; }
}
function customOption(selected) {
if(!document.getElementById) return;
var val = selected.value.toLowerCase();
var el = document.getElementById('message');
if(val == 'customoption') {
el.style.display='block';
} else {
el.style.display='none';
}
}
function dss_addLoadEvent(fn) {
if(typeof(fn)!="function")return;
var tempFunc=window.onload;
window.onload=function() {
if(typeof(tempFunc)=="function")tempFunc();
fn();
}
}
dss_addLoadEvent(function() {
var f = document.enquiry;
var sel = f.subject;
sel.onchange=function(){customOption(this.options[this.selectedIndex])}
sel.onchange();
});