$(document).ready(function() {
	/* replaces static text w/graphics (SEO) */
	$('#nav a').each(function() {
		if ($(this).text() != '') {
			$(this).html('');
		}
	});
	/* sets the active link */
	$('#nav a.active').each(function() {
		var position = 'center bottom';
		if ($(this).hasClass('link-events')) {
			position = 'center -25px';
		} else if ($(this).hasClass('link-visit')) {
			position = 'center -24px';
		}
		$(this).css('background-position', position);
	});
	setMargins();
	/* adds the intro swf to the homepage */
	$('#swfContainer').flash({
		swf: 'swf/intro-spring10.swf',
		width: '952',
		height: '450',
		play: true,
		allowtransparency: true,
		wmode: 'transparent'
	});
	$(window).resize(function() {
		setMargins();
	});
});

function setMargins() {
	/* vertically centers #container */
	var heightDiff = $(window).height() - $('#container').height();
	if (heightDiff > 120) { /* 120 = default top + bottom margins (60) */
		var margin = (heightDiff / 2) + 'px auto';
		$('#container').css('margin', margin);
	} else {
		$('#container').css('margin', '60px auto');
	}
}