function Cookie(delim){//操作Cookie类
    Array.prototype.splice=function(){
        var len=arguments.length,tarray=[],i=arguments[0]+arguments[1];
        if(len>1){
            while(i<this.length)tarray[tarray.length]=this[i++];
            this.length=arguments[0];
            if(len>2)for(var i=2;i<len;i++)this[this.length]=arguments;
            var tlen=tarray.length,i=0;
            while(i<tlen)this[this.length]=tarray[i++];
            }
        return this;
        }
    this._Cookie=[];
    this.Load=function(){
        if(document.cookie.indexOf(";")!=-1){
            var _sp,_name,_tp,_tars,_tarslength;
            var _item=document.cookie.split("; ");
            var _itemlength=_item.length;
            while(_itemlength>0){
                _sp=_item[--_itemlength].split("=");
                _name=_sp[0];
                _tp=_sp[1].split(",");
                _tars=_tp.slice(1,_tp.length);
                this._Cookie[_name]=[];
                this._Cookie[_name]=_tars;
                this._Cookie[_name]["timeout"]=_tp[0];
                }
            return true;
            }
        return false;
        }
    this.Save=function(){
        var _str,_ars,_mars,_marslength,timeout,i,key;
        for(key in this._Cookie){
            if(!this._Cookie[key])return;
            _str=[];
            _mars=CookieClass._Cookie[key];
            _marslength=_mars.length;
            for(i=0;i<_marslength;i++)_str[_str.length]=escape(_mars);
            document.cookie=key+"="+_mars["timeout"]+(_str.length>0?",":"")+_str+";expires="+new Date(parseInt(_mars["timeout"])).toGMTString();
            }
        
        }
    this.GetCookieCount=function(){
        var _length=0,key;
        for(key in this._Cookie)_length++;
        return _length;
        }
    this.Create=function(name,days){
        this._Cookie[name]=[];
        this._Cookie[name]["timeout"]=new Date().getTime()+days*86400000;
        }
    this.Modify=function(name,days){
        this.Create(name,days);
        }
    this.GetTime=function(name){
        return new Date(parseInt(this._Cookie[name]["timeout"]));
        }
    this.Delete=function(name){
        this.Create(name,0);
        }
    this.AddItem=function(name,value){
        this._Cookie[name][this._Cookie[name].length]=value;
        }
    this.DelItem=function(name,index){
        this._Cookie[name].splice(index,1);
        }
    this.GetCount=function(name){
        return this._Cookie[name].length;
        }
    this.GetItem=function(name,index){
        return this._Cookie[name][index];
        }
    }
//cookies类结束

//========以下为类的使用
function eyunCookie(){
    this.key="";//初始化key。
    this.value="";//初始化key's value。
    this.expires=0;//初始化cookie的有效时间，单位毫秒。
    this.init=function(){//对象初始化
        this.key="";
        this.value="";
        this.expires=0;
    }
    this.set=function(key,value,expires){//设置cookie
        if(this.key=="")this.key=key;
        if(this.value=="")this.value=value;
        if(this.expires<=0)this.expires=expires;
        if(this.key==""||typeof(this.key)!="string"){
            alert("请先设置欲保存的cookie名称！");
            this.init();
            return false;
        }
        if(this.key.match(/[,; ]/)){
            alert("cookie名称中不能包含“,”、“;”或空格！");
            this.init();
            return false;
        }
        if(this.value.toString().match(/[,; ]/)||typeof(this.value)=="undefined"){
            alert("cookie值中不能包含“,”、“;”或空格！");
            this.init();
            return false;
        }
        if(this.expires<=0||typeof(this.expires)!="number"){
            alert("请先正确设置cookie的有效时间！");
            this.init();
            return false;
        }
        var cookie=document.cookie;
        if(cookie.indexOf(this.key+"=")!=-1){
            //if(!confirm("欲保存的cookie名称已经存在，是否要进行替换？"))
			//{
            //    this.init();
             //   return false;
            //}
        }
        var dt=new Date();
        dt.setTime(dt.getTime()+this.expires);
        document.cookie=this.key+"="+this.value+";expires="+dt.toGMTString();
        this.init();
        return true;
    }

    this.get=function(key){//取得名为key的cookie的值
        if(key==""||key.match(/[,; ]/)){
            alert("请正确设置欲查找的cookie名称！")
            return false;
        }
        var cookie=document.cookie;
        var start=cookie.indexOf(key+"=");
        if(start==-1){
            alert("欲查找的cookie不存在！")
            return false;
        }
        var end=cookie.indexOf(";",start);
        if(end==-1)end=cookie.length;
        var getCookie=cookie.substring(start+key.length+1,end);
        alert("cookie："+key+"的值为"+getCookie);
        return getCookie;
    }
    this.showAll=function(){//显示所有cookie
        alert("共有以下cookie对：\n"+document.cookie.split(";").toString().replace(/,/g,"\n"));
    }
    this.del=function(key){//删除名为key的cookie
        if(key==""||key.match(/[,; ]/)){
            alert("请正确设置欲删除的cookie名称！")
            return false;
        }
        var dt=new Date();
        dt.setTime(dt.getTime());
        document.cookie=key+"=eyunDelete;expires="+dt.toGMTString();
        this.init();
        return true;
    }
    this.destroy=function(){//销毁所有cookie
        var dt=new Date();
        dt.setTime(dt.getTime());
        while(document.cookie!=""){
            document.cookie=document.cookie+";expires="+dt.toGMTString();
            this.init();
            return true;
        }
    }
}
var cookieTest=new eyunCookie()
function settest(){
    cookieTest.key="test"
    cookieTest.value="ok"
    cookieTest.expires=31536000000
    cookieTest.set()
}
//==========
//<input type=button onclick=cookieTest.showAll() value=read>
//<input type=button onclick="cookieTest.set('a','test',31536000000)" value=setA>
//<input type=button onclick="settest();" value=setTest>
//<input type=button onclick="cookieTest.destroy()" value=clear>
//<input type=button onclick=cookieTest.get("test") value=gettest>
//<input type=button onclick=cookieTest.get("a") value=geta>
//<input type=button onclick=cookieTest.set("test",1,31536000000) value=resetTest>
//<input type=button onclick=cookieTest.del("test") value=delTest>