getScrollTop, getScrollLeftの設定

gistfile1.js

	/**
	 * getScrollTop, getScrollLeftの設定
	 * @returns scroll position
	 */
	$.each([['Top', 'Y'], ['Left', 'X']], function () {
		var name = this;
		$[('getScroll' + name[0])] = function () {
			var b = document.body['scroll' + name[0]] || 0;
			var e = document.documentElement['scroll' + name[0]] || 0;
			var s = window['scroll' + name[1]] || 0;
			var p = window['page' + name[1] + 'Offset'] || 0;
			return Math.max(b, e, s, p, 0);
		};
	});