$(document).ready( function () {

	function sniff () {
		height = $(window).height();
		if ( height >= 790 ) {
			$("body").append('<link class="size" rel="stylesheet" type="text/css" href="css/lg.css">');
		}
		if ( height < 790 && height >= 550 ) {
			$("body").append('<link class="size" rel="stylesheet" type="text/css" href="css/med.css">');
		}
		if ( height < 550 ) {
			$("body").append('<link class="size" rel="stylesheet" type="text/css" href="css/sm.css">');
		}
	}

	sniff ();

	$(window).resize( function () {
		sniff ();
		$("link.size:not('link.size:last')").remove();
	});

});