Revision as of 09:47, 24 July 2013

Members and Instructors

Members

	Zhang Hongyu introduction
	Ma Binguang introduction

@@ Line 41: / Line 41: @@
 <style>
 *{margin:0px;padding:0px;}
+.menu_scroll{z-index:100;padding:10px;margin:0 auto;top:20px;position:fixed;width:100%;margin:0;}
 ul.menu,
 ul.menu ul {padding:0;margin:0;list-style:none;position:;width:200px;background:#ddd;font-family:arial, sans-serif;}
@@ Line 77: / Line 78: @@
 ul.menu input.close:checked ~ ul li {margin-top:-30px;}
 </style>
-</head>
+<script type="text/javascript">
+$(document).ready(function(){
+	var topMain=$("#sidebar").height()-0//是头部的高度加头部与nav导航之间的距离
+	var menu=$(".menu");
+	$(window).scroll(function(){
+		if ($(window).scrollTop()>topMain){//如果滚动条顶部的距离大于topMain则就nav导航就添加类.nav_scroll，否则就移除
+			menu.addClass("menu_scroll");
+		}else{
+			menu.removeClass("menu_scroll");
+		}
+	});
+})
+</script>
 <body>
 <ul class="menu">