$(function() {
	padContent();
	if ($('#def')) {
		rollover("s");
		rollover("v");
		rollover("r");
	}
});

$(window).resize(function(){
	padContent();
});

function padContent() {
	var h = "",
		p = "";

	if (self.innerHeight) {
		h = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) {
		h = document.documentElement.clientHeight;
	} else if (document.body) {
		h = document.body.clientHeight;
	}

	p = h - $('#content').height();

	if (p > 0) {
		$('#content').css('padding-top',p/2);
	} else {
		$('#content').css('padding-top',"0");
	}

}

function rollover(x) {
	$('#'+x).hover(function(){
		$('#'+x+'u').css('display','block');
	},function(){
		$('#'+x+'u').css('display','none');
	});
}