1.将下面的代码复制到 <head> 内 <style> <!-- #foldheader{cursor:hand ; font-weight:bold ; list-style-image:url(fold.gif)} #foldinglist{list-style-image:url(list.gif)} //--> </style> <script language="JavaScript1.2"> <!-- /** * Based on Folding Menu Tree * Dynamic Drive (www.dynamicdrive.com) * For full source code, installation instructions, * 100's more DHTML scripts, and Terms Of * Use, visit dynamicdrive.com * * Updated to support arbitrarily nested lists * by Mark Quinn (mark@robocast.com) November 2nd 1998 */ var head="display:''" img1=new Image() img1.src="fold.gif" img2=new Image() img2.src="open.gif" function change(){ if(!document.all) return if (event.srcElement.id=="foldheader") { var srcIndex = event.srcElement.sourceIndex var nested = document.all[srcIndex+1] if (nested.style.display=="none") { nested.style.display='' event.srcElement.style.listStyleImage="url(open.gif)" } else { nested.style.display="none" event.srcElement.style.listStyleImage="url(fold.gif)" } } } document.onclick=change //--> </script> 2.将下面的代码复制到 <body> 内并可修改连接为你的连接 <ul> <li id="foldheader">News</li> <ul id="foldinglist" style="display:none"> <li><a href="http://www.cnn.com/index.html">CNN</a></li> <li><a href="http://www.abcnews.com/index.html">ABC News</a></li> <li><a href="http://www.vancouversun.com/index.html">Vancouver Sun</a></li> </ul> <li id="foldheader">Games</li> <ul id="foldinglist" style="display:none"> <li><a href="http://www.gamespot.com/index.html">GameSpot</a></li> <li><a href="http://www.happypuppy.com/index.html">Happy Puppy</a></li> <li><a href="http://www.gamecenter.com/index.html">Game Center</a></li> </ul> <li id="foldheader">Software</li> <ul id="foldinglist" style="display:none"> <li><a href="http://www.download.com/index.html">outer 1</a></li> <li><a href="http://www.hotfiles.com/index.html">outer 2</a></li> <li id="foldheader">Nested</li> <ul id="foldinglist" style="display:none"> <li><a href="http://www.windows95.com/index.html">nested 1</a></li> <li><a href="http://www.shareware.com/index.html">nested 2</a></li> </ul> <li><a href="http://www.windows95.com/index.html">outer 3</a></li> <li><a href="http://www.shareware.com/index.html">outer 4</a></li> </ul> </ul>
3.将下面的代码复制到 <body> 内 <script language="JavaScript1.2"> <!-- /** * Get cookie routine by Shelley Powers * (shelley.powers@ne-dev.com) */ function get_cookie(Name) { var search = Name + "=" var returnvalue = ""; if (document.cookie.length > 0) { offset = document.cookie.indexOf(search) // if cookie exists if (offset != -1) { offset += search.length // set index of beginning of value end = document.cookie.indexOf(";", offset); // set index of end of cookie value if (end == -1) end = document.cookie.length; returnvalue=unescape(document.cookie.substring(offset, end)) } } return returnvalue; } if (get_cookie(window.location.pathname) != ''){ var openresults=get_cookie(window.location.pathname).split(" ") for (i=0 ; i < openresults.length ; i++){ foldinglist[openresults[i]].style.display='' document.all[foldinglist[openresults[i]].sourceIndex - 1].style.listStyleImage="url(open.gif)" } } if (document.all){ var nodelength=foldinglist.length-1 var nodes=new Array(nodelength) var openones='' } function check(){ for (i=0 ; i <= nodelength ; i++){ if (foldinglist[i].style.display=='') openones=openones + " " + i } document.cookie=window.location.pathname+"="+openones } if (document.all) document.body.onunload=check //--> </script> 4.注意上面三组代码中你要修改 图片的路径 如 folder.gif open.gif list.gif 保存图片:
