function blinky(delay){
	var el = document.body.getElementsByTagName('span');
	for (var i = 0; i < el.length; i++){
		if (el[i].className == 'blink'){
			el[i].style.display = (el[i].style.display == 'none') ? 'inline' : 'none';
		}
	}
	setTimeout('blinky(' + delay + ')', delay);
}