// JavaScript Document
var cook = new cooks();

function set_(name,value,time){
	
		var val=cook.getCookie(name);
		var vals = val.split('.')
		for(var i=0;i<vals.length-1;i++){
			if(value==vals[i])return '';
			}
	
		var values=value+'.'+val;
		cook.setCookie(name,values,time);
		
	}

function get_(name){
		var n=cook.getCookie(name);
		$.post("http://www.langtour.net/?c=leftCook&a=leftCook",{id:n},function(data){
				  $("#cookie").html(data)
		})
		
	}

//设置cook 类
function cooks(){
	
	this.setCookie = function(name,value,time){			//设置cook（名称，值，存活时间）
			
			var   Days   =time; 
			var   exp     =   new   Date();         //new   Date("December   31,   9998");   
			exp.setTime(exp.getTime()   +   Days*24*60*60*1000);   
			document.cookie= name+"="+escape(value)+";expires="+exp.toGMTString()+"; path=/"; 

	}

	this.getCookie=function(name){						//检测cookie是否存在 (cook 名称)	

			  var strCookie=document.cookie;
				var arrCookie=strCookie.split("; ");
				for(var i=0;i<arrCookie.length;i++){
					  var arr=arrCookie[i].split("=");
					  if(arr[0]==name)return unescape(arr[1]);
				}
				return "";
	}

	this.delCookie=function(name){//为了删除指定名称的cookie，可以将其过期时间设定为一个过去的时间
	   var date = new Date();
	   date.setTime(date.getTime() - 1);
	   document.cookie = name + "=a; expires=" + date.toGMTString();
	}


}