$(function() {
	var curbutton = -1;
	
	var buttons = $('.frontbutton');
	
	setInterval(function() { var cnt = 0; buttons.each(function () {
		cnt++;
		if (curbutton < 1) curbutton = cnt;
		if (curbutton == cnt) {
			if ($(this).hasClass('blink')) {
				$(this).removeClass('blink');
				curbutton++;
				if (curbutton > buttons.length) curbutton = 0;
			} else {
				$(this).addClass('blink');
			}
			return false;
		}
	}); }, 1000);
});