// reverse string
function str_reverse(s) {var l=s.length-1;var r="";for (var x=l;x>=0;x--) {r+=s.charAt(x);}return r;}

// Safe email adres, no spam
function nospam(user,domain,show,extra) {
	var m1="mai";var m2="lto:";
	var u=str_reverse(user);var d=str_reverse(domain);
	if ((show.length == 0) || (show.indexOf('@')+1))
		document.write("<a "+extra+" href="+m1+m2+u+"@"+d+">"+u+"@"+d+"</a>");
	else {
		var s=str_reverse(show);
		document.write("<a "+extra+" href="+m1+m2+u+"@"+d+">"+s+"</a>");
	}
}