利用cookie收藏网站

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不用每次都询问别人是否收藏，烦！
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<SCRIPT LANGUAGE="JavaScript">
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<!-- Begin
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var expDays
= 100;
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url
= "http://softet.6to23.com";;
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title
= "Come on";
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function GetCookie (name) { 

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var arg
= name
+ "="; 

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var alen
= arg.length; 

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var clen
= document.cookie.length; 

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var i
= 0; 

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while (i
< clen) {   

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var j
= i
+ alen;   
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if (document.cookie.substring(i,
j) == arg)     

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return getCookieVal (j);   

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i
= document.cookie.indexOf("
", i)
+ 1;   

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if (i
== 0)
break;  
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} 

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return
null;
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}
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function SetCookie (name, value)
{ 
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var argv
= SetCookie.arguments; 

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var argc
= SetCookie.arguments.length; 

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var expires
= (argc
> 2)
? argv[2] :
null; 
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var path
= (argc
> 3)
? argv[3] :
null; 
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var domain
= (argc
> 4)
? argv[4] :
null; 
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var secure
= (argc
> 5)
? argv[5] :
false; 
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document.cookie
= name
+ "="
+ escape (value)
+
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((expires
== null)
? "" : ("; expires="
+ expires.toGMTString()))
+
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((path
== null)
? "" : ("; path="
+ path))
+ 
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((domain
== null)
? "" : ("; domain="
+ domain))
+   
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((secure
== true)
? "; secure" :
"");
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}
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function DeleteCookie (name)
{ 
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var exp
= new Date(); 

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exp.setTime (exp.getTime()
- 1); 

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var cval
= GetCookie (name); 

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document.cookie
= name
+ "="
+ cval
+ "; expires="
+ exp.toGMTString();
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}
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var exp
= new Date();

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exp.setTime(exp.getTime()
+ (expDays*24*60*60*1000));
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function amt(){
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var count
= GetCookie('count')
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if(count
== null) {
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SetCookie('count','1')
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return
1
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}
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else {
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var newcount
= parseInt(count)
+ 1;
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DeleteCookie('count')
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SetCookie('count',newcount,exp)
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return count
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   }
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}
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function getCookieVal(offset)
{
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var endstr
= document.cookie.indexOf (";", offset);
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if (endstr
== -1)
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endstr
= document.cookie.length;
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return unescape(document.cookie.substring(offset,
endstr));
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}
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function checkCount() {
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var count
= GetCookie('count');
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if (count
== null) {
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count=1;
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SetCookie('count', count, exp);
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if ((navigator.appName
== "Microsoft Internet Explorer")
&& (parseInt(navigator.appVersion)
>= 4)) {
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window.external.AddFavorite (url,title);
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}
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else {
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var msg
= "Don't forget to bookmark us!";
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if(navigator.appName
== "Netscape") msg
+= "  (CTRL-D)";
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alert(msg);
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   }
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}
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else {
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count++;
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SetCookie('count', count, exp);
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   }
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}
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checkCount();
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//  End -->
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</script>