|
|
| 无限级树型菜单 |
| 整理：Cnwshow.Com 来源：Internet 整理时间：2008-5-30 |
|
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无限级树型菜单</title>
<script type="text/javascript">
var temp, temp2, cookieArray, cookieArray2, cookieCount;
function initiate(){
cookieCount=0;
if(document.cookie){
cookieArray=document.cookie.split(";");
cookieArray2=new Array();
for(i in cookieArray){
cookieArray2[cookieArray[i].split("=")[0].replace(/ /g,"")]=cookieArray[i].split("=")[1].replace(/ /g,"");
}
}
cookieArray=(document.cookie.indexOf("state=")>=0)?cookieArray2["state"].split(","):new Array();
temp=document.getElementById("containerul");
for(var o=0;o<temp.getElementsByTagName("li").length;o++){
if(temp.getElementsByTagName("li")[o].getElementsByTagName("ul").length>0){
temp2 = document.createElement("span");
temp2.className = "symbols";
temp2.style.backgroundImage = (cookieArray.length>0)?((cookieArray[cookieCount]=="true")?"url(192_3.png)":"url(192_2.png)"):"url(192_2.png)";
temp2.onclick=function(){
showhide(this.parentNode);
writeCookie();
}
temp.getElementsByTagName("li")[o].insertBefore(temp2,temp.getElementsByTagName("li")[o].firstChild)
temp.getElementsByTagName("li")[o].getElementsByTagName("ul")[0].style.display = "none";
if(cookieArray[cookieCount]=="true"){
showhide(temp.getElementsByTagName("li")[o]);
}
cookieCount++;
}
else{
temp2 = document.createElement("span");
temp2.className = "symbols";
temp2.style.backgroundImage = "url(192_1.png)";
temp.getElementsByTagName("li")[o].insertBefore(temp2,temp.getElementsByTagName("li")[o].firstChild);
}
}
}
function showhide(el){
el.getElementsByTagName("ul")[0].style.display=(el.getElementsByTagName("ul")[0].style.display=="block")?"none":"block";
el.getElementsByTagName("span")[0].style.backgroundImage=(el.getElementsByTagName("ul")[0].style.display=="block")?"url(192_3.png)":"url(192_2.png)";
}
function writeCookie(){ // Runs through the menu and puts the "states" of each nested list into an array, the array is then joined together and assigned to a cookie.
cookieArray=new Array()
for(var q=0;q<temp.getElementsByTagName("li").length;q++){
if(temp.getElementsByTagName("li")[q].childNodes.length>0){
if(temp.getElementsByTagName("li")[q].childNodes[0].nodeName=="SPAN" && temp.getElementsByTagName("li")[q].getElementsByTagName("ul").length>0){
cookieArray[cookieArray.length]=(temp.getElementsByTagName("li")[q].getElementsByTagName("ul")[0].style.display=="block");
}
}
}
document.cookie="state="+cookieArray.join(",")+";expires="+new Date(new Date().getTime() + 365*24*60*60*1000).toGMTString();
}
</script>
<style type="text/css"><!--
#containerul, #containerul ul{
text-align:left;
margin:0; /* Removes browser default margins applied to the lists. */
padding:0; /* Removes browser default padding applied to the lists. */
}
#containerul li{
margin:0 0 0 30px; /* A left margin to indent the list items and give the menu a sense of structure. */
padding:0; /* Removes browser default padding applied to the list items. */
list-style-type:none; /* Removes the bullet point that usually goes next to each item in a list. */
}
#containerul .symbols{ /* Various styles to position the symbols next to the items in the menu. */
float:left;
width:12px;
height:1em;
background-position:0 50%;
background-repeat:no-repeat;
}
--></style>
</head>
<body>
<ul id="containerul">
<li> 精彩网站
<ul>
<li> <a href="http://www.cnwshow.com/">中国个人网页秀</a>
</li>
<li>
<a href="http://www.cnwshow.com/">网页特效</a>
</li>
<li>
<a href="http://www.cnwshow.com/">个人网页</a>
</li>
</ul>
</li>
<li> 网页特效库
<ul>
<li>
<a href="http://www.cnwshow.com/">网站栏目</a>
<ul>
<li>
<a href="http://www.cnwshow.com/">背景特效</a>
</li>
<li>
<a href="http://www.cnwshow.com/">整站模板</a>
</li>
<li>
<a href="http://www.cnwshow.com/">图片特效</a>
</li>
</ul>
</li>
</ul>
</li>
</ul>
<p>
<script type="text/javascript">
initiate(); // This must be placed immediately after the menu in order to format it properly.
</script>
</p>
</body>
</html>
|
|
|
|
|
|
