// JavaScript Document
function email(name, domain,tld,txt) {	
	if (txt == null) {
		var overwrite = "<a href='mailto:"+name+"@"+domain+"."+tld+"'>"+name+"@"+domain+"."+tld+"</a>";
	} else {
		var overwrite = "<a href='mailto:"+name+"@"+domain+"."+tld+"'>"+txt+"</a>";
	}
	document.write(overwrite);
}