From 05bc47a5ef8a97ffb82c47991f2d80901676276b Mon Sep 17 00:00:00 2001
From: Li Jianxuan <la5c@qq.com>
Date: Mon, 19 Dec 2011 02:34:47 +0000
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=E4=BA=86=E6=A0=91=E5=BD=A2?=
 =?UTF-8?q?=E8=8F=9C=E5=8D=95=E5=8A=9F=E8=83=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 htdocs/js/jquery.tree.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/htdocs/js/jquery.tree.js b/htdocs/js/jquery.tree.js
index df3affb1..d28ab0f7 100644
--- a/htdocs/js/jquery.tree.js
+++ b/htdocs/js/jquery.tree.js
@@ -3,6 +3,7 @@
   $.fn.tree = function(options) {
 	  
 		var defualts = {
+			'class':'.expandable',
 			'toggle':'.tree-toggle-btn',
 			'downImg':'/images/plus.gif',
 			'upImg':'/images/minus.gif'
@@ -15,7 +16,12 @@
 		this.each(function() {
 			$(this).children('.expandable').each(function (){
 				$(this).children('.tree-toggle-btn').bind('click', function() {
-					$(this).parent().children('ul').slideToggle("slow");
+					$(this).parent().children('ul').slideToggle("slow",function(){
+						if($(this).css('display')=='none')
+					 	$(this).parent(opts.class).find(opts.toggle).find("img").attr('src',opts.downImg);
+					 	else 
+					 	$(this).parent(opts.class).find(opts.toggle).find("img").attr('src',opts.upImg);
+						});
 				});
 			});
 		});