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动态CSS,换肤技术

作者:佚名    文章来源:网络    更新时间:2008-10-26 23:14:53

<HTML>
<HEAD>
<link ID="skin" rel="stylesheet" type="text/css">
<TITLE>换肤技术</TITLE>
<SCRIPT LANGUAGE=javascript>
<!--
function SetCookie(name,value){
     var argv=SetCookie.arguments;
     var argc=SetCookie.arguments.length;
     var expires=(2<argc)?argv[2]:null;
     var path=(3<argc)?argv[3]:null;
     var domain=(4<argc)?argv[4]:null;
     var secure=(5<argc)?argv[5]:false;
     document.cookie=name+"="+escape(value)+((expires==null)?"":("; expires="+expires.toGMTString()))+((path==null)?"":("; path="+path))+((domain==null)?"":("; domain="+domain))+((secure==true)?"; secure":"");
}

function GetCookie(Name) {
     var search = Name + "=";
     var returnvalue = "";
     if (document.cookie.length > 0) {
           offset = document.cookie.indexOf(search);
           if (offset != -1) {      
                 offset += search.length;
                 end = document.cookie.indexOf(";", offset);                        
                 if (end == -1)
                       end = document.cookie.length;
                 returnvalue=unescape(document.cookie.substring(offset,end));
           }
     }
     return returnvalue;
}

var thisskin;
thisskin=GetCookie("nowskin");
if(thisskin!="")
     skin.href=thisskin;
else
     skin.href="css.css";

function changecss(url){
     if(url!=""){
           skin.href=url;
           var expdate=new Date();
           expdate.setTime(expdate.getTime()+(24*60*60*1000*30));
           //expdate=null;
                                   //以下设置COOKIES时间为1年,自己随便设置该时间..
           SetCookie("nowskin",url,expdate,"/",null,false);
     }
}
//-->
</SCRIPT>
</HEAD>
<BODY>

<P>请选择下面的下拉菜单测试换肤效果</P>

<a href=# onclick="changecss('css.css')">css.css</a>
<a href=# onclick="changecss('css1.css')">css1.css</a>
<a href=# onclick="changecss('css2.css')">css2.css</a>
<a href=# onclick="changecss('css3.css')">css3.css</a>
<br>

<select onchange="changecss(this.value)">
<option>选择样式单文件</option>
<script language="javascript">
var csss=new Array();
csss[0]="css.css";
csss[1]="css1.css";
csss[2]="css2.css";
csss[3]="css3.css";
var i;
for(i=0;i<4;i++)
     if(thisskin==csss[i])
           document.write("<option value=\""+csss[i]+"\" selected>"+csss[i]+"样式单文件</option>");
     else
           document.write("<option value=\""+csss[i]+"\">"+csss[i]+"样式单文件</option>");
</script>
</select>
</BODY>
</HTML>

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