window.addEvent('load', function () // wait until the page is loaded
{
	$('nav').getChildren().each(function(el){ // get the elements in the #nav div
		var effect = el.effect('font-size',  // assign font-size effect to a variable
		{ // pass in additional options
			duration: 400,
			transition: Fx.Transitions.Expo.easeOut,
			wait: false
		});
		el.orgSize = el.getStyle('font-size').toInt();  // save the original font-size size
		el.addEvents(  // add events to the links
		{
			'mouseover': function () // on mouseover make the font size bigger
			{
				effect.start(el.orgSize * 2);
			},
			'mouseout': function () // on mouseout return font to original size
			{
				effect.start(el.orgSize);
			}
		});
	});
});