From f3fff63632f4856852da37bc37ac7bd4b61449b7 Mon Sep 17 00:00:00 2001
From: molong <ycgpp@126.com>
Date: Mon, 4 Jul 2016 00:25:21 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E4=B8=80=E4=B8=AAjs=E5=87=BD?=
 =?UTF-8?q?=E6=95=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 public/js/core.js | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/public/js/core.js b/public/js/core.js
index afe6a3cd..92e28589 100644
--- a/public/js/core.js
+++ b/public/js/core.js
@@ -329,4 +329,19 @@ $(function() {
 		}
 		msg.show();
 	};
-});
\ No newline at end of file
+});
+
+/**
+ * 置顶函数
+ * @param  {[type]} obj [description]
+ * @return {[type]}     [description]
+ */
+function go_to_top(obj){
+	var scrTop = $(window).scrollTop();
+	var windowTop = $(window).height();
+	if ((windowTop-300)<scrTop){
+		$("#"+obj).fadeIn("slow");
+	}else{
+		$("#"+obj).fadeOut("slow");
+	}	
+}
\ No newline at end of file