$(document).ready(function() {	
	
	var
		randomBackground = 1+Math.round(3*Math.random());
	
	$("body").css({
		"background" : "url(images/main_background"+randomBackground+".jpg) no-repeat right top fixed"
	});
	
	$("ul#follow li a").hover(function() {
		$(this).stop(true, false).animate({ backgroundPosition: 'left 0' }, 150);
	}, function () {
		$(this).animate({ backgroundPosition: 'left -19px' }, 150);
	});
});