idoushiki/Cookie.js

## Cookie.js
function Cookie(name){
  this.$name=name;

  var allcookies=document.cookie;
  if(allcookies=="")return;

  var cookies=allcookies.split(';');
  var cookie=null;
  for(var i=0;i<cookies.length;i++){

    if(cookies[i].substring(0,name.length+1)==(name+"=")){

      cookie=cookies[i];
      break;
    }
  }

  if(cookie==null)return;

  var cookieval=cookie.substring(name.length+1);

  var a=cookieval.split('&');
  for(var i=0;i<a.length;i++)
    a[i]=a[i].split(':');

  for(var i=0;i<a.length;i++){

    this[a[i][0]]=decodeURIComponent(a[i][1]);
  }
  }

Cookie.prototype.store=function(daysToLive,path,domain,secure){

  var cookieval="";
  for(var prop in this){

    if((prop.charAt(0)=='$')||((typeof this[prop])=='function'))
      continue;
    if(cookieval !="")cookieval+='&';
    cookieval+=prop+':'+encodeURIComponent(this[prop]);
  }

  var cookie=this.$name+'='+cookieval;
  if(daysToLive||daysToLive==0){
    cookie+=";max-age="+(daysToLive*24*60*60);
  }
  if(path)cookie+=";path="+path;
  if(domain)cookie+="; domain="+domain;
  if(secure)cookie+="; secure";

  document.cookie=cookie;
}


Cookie.prototype.remove=function(path,domain,secure){

  for(var prop in this){
    if(prop.charAt(0)!='$'&&typeof this[prop]!='function')
      delete this[prop];
  }

  this.store(0,path,domain,secure);
}

Cookie.enabled=function(){

  if(navigator.cookieEnabled!=undefined)return navigator.cookieEnabled;
  if(Cookie.enabled.cache!=undefined)return Cookie.enabled.cache;
  document.cookie="testcookie=test;max-age=10000";

  var cookies=document.cookie;
  if(cookies.indexOf("testcookie=test")==-1){
    return Cookie.enabled.cache=false;
  }
  else{
    document.cookie="testcookie=test;max-age=0;"
    return Cookie.enabled.cache=true;
  }


}


## Cookie1.js
<html>
<script src="Cookie.js"></script>
<script>
var cookie=new Cookie("vistordata");

if(!cookie.name||!cookie.color){

  cookie.name=prompt("what","");
  cookie.color=prompt("favorite","");
}

if(!cookie.visits)cookie.visits=1;
else cookie.visits++;


cookie.store(10);

document.write('<h1 style="color:'+cookie.color+'">'+
               'www'+cookie.name+'!'+'</h1>'+
              '<p>aaad'+cookie.visits+'times.'+
              '<button onclick="window.cookie.remove();">foooooo</button>');

</script>

</html>

## sample_cookie.js
<html>
  <script>

  document.cookie="version="+document.lastModified+
  ";max-age="+(60*60*24*365);


  </script>
</html>
	<html>
	<script src="Cookie.js"></script>
	<script>
	var cookie=new Cookie("vistordata");

	if(!cookie.name\|\|!cookie.color){

	cookie.name=prompt("what","");
	cookie.color=prompt("favorite","");
	}

	if(!cookie.visits)cookie.visits=1;
	else cookie.visits++;


	cookie.store(10);

	document.write('<h1 style="color:'+cookie.color+'">'+
	'www'+cookie.name+'!'+'</h1>'+
	'<p>aaad'+cookie.visits+'times.'+
	'<button onclick="window.cookie.remove();">foooooo</button>');

	</script>

	</html>
	<html>
	<script>

	document.cookie="version="+document.lastModified+
	";max-age="+(606024*365);



	</script>
	</html>