/**
 * Copyright (C) 2007 Ted John
 *
 * This program was specially built for Compbase
 * and should not be used for any other web
 * application. No code must be taken without
 * premission from the creator.
 *
 * 'scripts/email.js' Script for creating email
 * links which cannot be picked up by spam bots.
 */

var tld_ = new Array()
tld_[0] = "com";
tld_[1] = "org";
tld_[2] = "net";
tld_[3] = "ws";
tld_[4] = "info";
tld_[10] = "co.uk";
tld_[11] = "org.uk";
tld_[12] = "gov.uk";
tld_[13] = "ac.uk";
var topDom_ = 13;
var m_ = "mailto:";
var a_ = "@";
var d_ = ".";

function mail(name, dom, tl, params)
{
	var s = e(name,dom,tl);
	document.write('<a href="'+m_+s+params+'">'+s+'</a>');
}

function mail2(name, dom, tl, params, display)
{
	document.write('<a href="'+m_+e(name,dom,tl)+params+'">'+display+'</a>');
}

function e(name, dom, tl)
{
	var s = name + a_;
	if (tl!=-2)
	{
		s += dom;
		if (tl >= 0)
			s += d_ + tld_[tl];
	}
	else
		s += swapper(dom);
	return s;
}

function swapper(d)
{
	var s = "";
	for (var i=0; i<d.length; i+=2) {
		if (i+1==d.length)
			s += d.charAt(i)
		else
			s += d.charAt(i+1) + d.charAt(i);
	}
	return s.replace(/\?/g,'.');
}