$(function () {
	$('.stepInfo').each(function () {
		// options
		var distance = 10;
		var time = 250;
		var hideDelay = 200;
		var hideDelayTimer = null;

		// tracker
		var beingShown = false;
		var shown = false;
		var trigger = $('.trigger', this);
		var popup = $('.popup', this).css('opacity', 0);
		var balloon = $('.balloon', this);
		
		// set the mouseover and mouseout on both element
		$([trigger.get(0), popup.get(0)]).mouseover(function () {
			// stops the hide event if we move from the trigger to the popup element
			if (hideDelayTimer) clearTimeout(hideDelayTimer);
			// don't trigger the animation again if we're being shown, or already visible
			var trigger_h = -20;
			var trigger_w = trigger.get(0).width;
			var pop_w = balloon.get(0).width;
			
			if (beingShown || shown) {
				return;
			} else {
				beingShown = true;
				// reset position of popup box
				popup.css({
				top: trigger_h,
				left : (trigger_w - pop_w)/2,
				display: 'block' // brings the popup back in to view
			})
			// (we're using chaining on the popup) now animate it's opacity and position
			.animate({
				top: '-=' + distance + 'px',
				opacity: 1
			}, time, 'swing', function() {
			// once the animation is complete, set the tracker variables
				beingShown = false;
				shown = true;
			});
		}
	}).mouseout(function () {
	// reset the timer if we get fired again - avoids double animations
	if (hideDelayTimer) clearTimeout(hideDelayTimer);

	// store the timer so that it can be cleared in the mouseover if required
	hideDelayTimer = setTimeout(function () {
		hideDelayTimer = null;
		popup.animate({
		top: '-=' + distance + 'px',
		opacity: 0
	}, time, 'swing', function () {
		// once the animate is complete, set the tracker variables
		shown = false;
		// hide the popup entirely after the effect (opacity alone doesn't do the job)
		popup.css('display', 'none');
		});
		}, hideDelay);
	});
	});
});