100分求这样的导航条
导航条效果是:http://www.tudou.com/programs/ 
 新点一个,以前的恢复; 
 经过其他的链接时,以前的还是原来的样子; 
 当然鼠标经过变成另一种样子(这个好弄点).   
 请高手帮忙.先谢了
------解决方案--------------------看不到,给你一个看看: 
  <html>  
  <style>  
 a{color:black;} 
  </style>  
  <script language= "JavaScript ">  
 var currenta = null; 
 function clicka(a) 
 { 
  if (currenta != null) 
  { 
   currenta.style.color =  "black "; 
  } 
  currenta = a; 
  a.style.color =  "red "; 
 } 
  </script>  
      <body>  
     | <a href= "# " onclick= "clicka(this) ">  新闻  </a> | <a href= "# " onclick= "clicka(this) ">  健康  </a> | <a href= "# " onclick= "clicka(this) ">  人才  </a> | <a href= "# " onclick= "clicka(this) ">  管理  </a> | 
      </body>    
  </html>
------解决方案-------------------- <html>  
  <style>  
 body{ 
     font-size:12px; 
 } 
 #menu { 
 	padding:20px 20px 0 0;  
 } 
 #menu ul { 
 	float:right;  
 	list-style:none;  
 	margin:0px; 
 } 
 #menu ul li { 
 	float:left;  
 	display:block; 
 	line-height:30px;  
 	margin:0 10px;  
 } 
 #menu ul li a:link,#menu ul li a:visited { 
 	font-weight:bold; 
 	color:#666 
 } 
 #menu ul li a:hover{} 
 .menuDiv { 
 	width:1px; 
 	height:28px; 
 	background:#999 
 } 
  </style>  
  <script language= "JavaScript ">  
 var selectedMenu = null; 
     function onMouseOverColor(obj){ 
 	if(selectedMenu == obj) return; 
 	obj.style.backgroundColor =  "#e2e2e2 "; 
     } 
     function onClickColor(obj){ 
     	if(selectedMenu!=null || selectedMenu!=undefined){ 
     		selectedMenu.style.backgroundColor =  " "; 
     	} 
     	selectedMenu = obj; 
     	obj.style.backgroundColor =  "#20a0c0 "; 
     } 
     function onBlurColor(obj){ 
     	if(selectedMenu == obj) return; 
     	obj.style.backgroundColor =  " "; 
     } 
  </script>  
  <body>  
  <div id= "menu ">  
      <ul>  
           <li onmouseover= 'onMouseOverColor(this) ' onclick= 'onClickColor(this) ' onmouseout= 'onBlurColor(this) '>  <a href= "# "> 首页 </a>  </li>  
 		  <li class= "menuDiv ">  </li>  
 		  <li onmouseover= 'onMouseOverColor(this) ' onclick= 'onClickColor(this) ' onmouseout= 'onBlurColor(this) '>  <a href= "# "> 博客 </a>  </li>  
 		  <li class= "menuDiv ">  </li>  
 		  <li onmouseover= 'onMouseOverColor(this) ' onclick= 'onClickColor(this) ' onmouseout= 'onBlurColor(this) '>  <a href= "# "> 设计 </a>  </li>  
 		  <li class= "menuDiv ">  </li>  
 		  <li onmouseover= 'onMouseOverColor(this) ' onclick= 'onClickColor(this) ' onmouseout= 'onBlurColor(this) '>  <a href= "# "> 相册 </a>  </li>  
 		  <li class= "menuDiv ">  </li>  
 		  <li onmouseover= 'onMouseOverColor(this) ' onclick= 'onClickColor(this) ' onmouseout= 'onBlurColor(this) '>  <a href= "# "> 论坛 </a>  </li>  
 		  <li class= "menuDiv ">  </li>  
 		  <li onmouseover= 'onMouseOverColor(this) '