function reverse(s)
{
	var t, n;
	n=s.length;
	t=""
	while(n--) t+=s.substring(n,n+1);
	return t;		
}
function mailto(s,arobase)
{
	var r, t;
	r=reverse(s);
	s=reverse(s);
	s = s.replace(/@/,arobase);
	t='<a href="mailto:';
	t+=r;
	t+='">';
	t+=s;
	t+='</a>';
	document.write(t);
}