jQuery(document).ready(function($) {
		var wH 		= $(window).height();
		var logoH 	= $('#middle').height();
		$('#middle').css('margin-top', ((wH - logoH) / 2));
 
		$(window).resize(function() {
		  	var wH = $(window).height();
			var logoH 	= $('#middle').height();
			$('#middle').css('margin-top', ((wH - logoH) / 2));
		});	
 	});