function writeEmail(email_mailbox, email_host, email_show, email_class){
	// protected email script by Joe Maller
	// JavaScripts available at http://www.joemaller.com
	// this script is free to use and distribute
	// but please credit me and/or link to my site
	// Function created by Michal Borychowski

	emailE=email_host;
	emailE=(email_mailbox + '@' + emailE);
	if (!email_show) {
		email_show = emailE;
	}
	if (!email_class) {
		email_class = 'link';
	}
	document.write('<a class="email_class" href="mailto:' + emailE + '">' + email_show + '</a>');
}