/*
* fscf-scripts.js
* Script file for Fast Secure Contact Form
* Created by Mike Challis and Ken Carlson
*/
function fscf_captcha_refresh(form_num,securimage_url,securimage_show_url) {
var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
var string_length = 16;
var prefix = '';
for (var i=0; i<string_length; i++) {
var rnum = Math.floor(Math.random() * chars.length);
prefix += chars.substring(rnum,rnum+1);
}
document.getElementById('fscf_captcha_prefix' + form_num).value = prefix;
var si_image_ctf = securimage_show_url + prefix;
document.getElementById('fscf_captcha_image' + form_num).src = si_image_ctf;
}