fixedsticky.js
function() {
			var prop = 'pageYOffset',
				method = 'scrollTop';
			return win ? (prop in win) ? win[ prop ] :
				win.document.documentElement[ method ] :
				win.document.body[ method ];
		}
function() {
			var prop = 'pageYOffset',
				method = 'scrollTop';
			return win ? (prop in win) ? win[ prop ] :
				win.document.documentElement[ method ] :
				win.document.body[ method ];
		}
Thanks jQuery!