用JS和Cookie來指定頁面的CSS

來源:互聯網
上載者:User

<HTML>
<HEAD>
<TITLE>換膚技術新的嘗試</TITLE>
<link ID="skin" rel="stylesheet" type="text/css">
<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;
                                   //以下設定COOKIES時間為1年,自己隨便設定該時間..
           SetCookie("nowskin",url,expdate,"/",null,false);
     }
}
//-->
</SCRIPT>
</HEAD>
<BODY>

<P>請選擇下面的下拉式功能表測試換膚效果</P>

<select onchange="changecss(this.value)">
<option>選擇樣式單檔案</option>
<script language="javascript">
var csss=new Array();
csss[0]="001.css";
csss[1]="002.css";
csss[2]="003.css";
csss[3]="004.css";
var i;
for(i=0;i<4;i++)
     if(thisskin==csss[i])
           document.write("<option value=/""+csss[i]+"/" selected>"+csss[i]+"樣式單檔案</option>");
     else
           document.write("<option value=/""+csss[i]+"/">"+csss[i]+"樣式單檔案</option>");
</script>
</select>
</BODY>
</HTML>

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