cookies封装

/** * @author wxf */var cookie=new function(){    this.set=function(name,value,hours){        var life=new Date().getTime();        life+=hours*1000*60*60;        var cookieStr=name+"="+escape(value)+";expires="+new Date(life).toGMTString()+";path=/";        document.cookie=cookieStr;    };    this.get=function(name){        var cookies = document.cookie.split("; ");                var i = 0;                for(i=0; i<cookies.length; i++) {                        var cookie2=cookies[i].split("=");                        if(cookie2[0]==name) {return unescape(cookie2[1]);}                }        return ‘‘;    };    this.remove=function(name){       var cookieStr=name+"="+escape(‘null‘)+";expires="+new Date().toGMTString();        document.cookie=cookieStr;    };}