<HTML>
 2<HEAD>
 3<link ID="skin" rel="stylesheet" type="text/css">
 4<TITLE>换肤技术</TITLE>
 5<SCRIPT LANGUAGE=javascript>
 6<!--
 7function SetCookie(name,value){
 8var argv=SetCookie.arguments;
 9var argc=SetCookie.arguments.length;
10var expires=(2<argc)?argv[2]:null;
11var path=(3<argc)?argv[3]:null;
12var domain=(4<argc)?argv[4]:null;
13var secure=(5<argc)?argv[5]:false;
14document.cookie=name+"="+escape(value)+((expires==null)?"":("; expires="+expires.toGMTString()))+((path==null)?"":("; path="+path))+((domain==null)?"":("; domain="+domain))+((secure==true)?"; secure":"");
15}
16function GetCookie(Name) {
17var search = Name + "=";
18var returnvalue = "";
19if (document.cookie.length > 0) {
20offset = document.cookie.indexOf(search);
21if (offset != -1) { 
22offset += search.length;
23end = document.cookie.indexOf(";", offset); 
24if (end == -1)
25end = document.cookie.length;
26returnvalue=unescape(document.cookie.substring(offset,end));
27}
28}
29return returnvalue;
30}
31var thisskin;
32thisskin=GetCookie("nowskin");
33if(thisskin!="")
34skin.href=thisskin;
35else
36skin.href="css.css";
37function changecss(url){
38if(url!=""){
39skin.href=url;
40var expdate=new Date();
41expdate.setTime(expdate.getTime()+(24*60*60*1000*30));
42//expdate=null;
43//以下设置COOKIES时间为1年,自己随便设置该时间..
44SetCookie("nowskin",url,expdate,"/",null,false);
45}
46}
47//-->
48</SCRIPT>
49</HEAD>
50<BODY>
51<P>请选择下面的下拉菜单测试换肤效果</P>
52<a href=# onclick="changecss(‘css.css‘)">css.css</a>
53<a href=# onclick="changecss(‘css1.css‘)">css1.css</a>
54<a href=# onclick="changecss(‘css2.css‘)">css2.css</a>
55<a href=# onclick="changecss(‘css3.css‘)">css3.css</a>
56<br>
57<select onchange="changecss(this.value)">
58<option>选择样式单文件</option>
59<script language="javascript">
60var csss=new Array();
61csss[0]="css.css";
62csss[1]="css1.css";
63csss[2]="css2.css";
64csss[3]="css3.css";
65var i;
66for(i=0;i<4;i++)
67if(thisskin==csss[i])
68document.write("<option value=\""+csss[i]+"\" selected>"+csss[i]+"样式单文件</option>");
69else
70document.write("<option value=\""+csss[i]+"\">"+csss[i]+"样式单文件</option>");
71</script>
72</select>
73</BODY>
74</HTML> 