/*
Mod Name: Jaws SpamGuard
Plugin URI: http://kublun.com/spamguard
Description: Client-side javascript computes an md5 code, server double checks. Blocks all spam bots.  XHTML 1.1 compliant.
Author: Wieland E. Kublun < wieland.kublun@gmx.net >
Author URI: http://kublun.com
Version: 0.2
Date: 26/09/2006
Greets:     
		Héctor Bautista Flores - http://hbautista.usoli.org
		José Carlos Nieto - http://xiam.menteslibres.org
                Elliot Back - http://elliottback.com/
                Paul Andrew Johnston - http://pajhome.org.uk/crypt/md5
*/ 

        function getBrowserEngine() {
            if (navigator.userAgent.indexOf('Gecko') > 0) 
                return 'gecko'; 
            else if (navigator.userAgent.indexOf('MSIE') > 0) {
                // opera says it's MSIE 6.0 compatible? WTF?
                if (navigator.userAgent.indexOf('Opera')) {
                    return 'msie';
                } else {
                    return 'opera';
                }
            }
        }
 
        function setEventListener(obj, event, callback) {
            switch (getBrowserEngine()) {
                case 'msie':
                    obj.attachEvent('on'+event, callback);
                break;
                default:
                    obj.addEventListener(event, callback, 0);
                break;
            }
        }
 
        var jsSpamGuardOnce = 0;


 
        function jsSpamGuard() {
            if (!jsSpamGuardOnce) {
                for (i = 0; i < document.forms.length; i++) {
                    var currForm = document.forms[i];
 
                    // creating a new input called "auth", this element will hold an random authentication
                    // string.
                    var newInput = document.createElement('input');
                    newInput.name = 'auth';
 
                    newInput.style.display = 'none';


                    newInput.value = JAWS_SG;



                    currForm.appendChild(newInput);
                }
                jsSpamGuardOnce = 1;
            }
        }
 
 		    // You can set here "keydown" or "mousedown" for more complexity
			
                 setEventListener(document, "keydown", function() { jsSpamGuard() });