function addCookie(objName,objValue,objHours){//添加cookie
   var str = objName + "=" + escape(objValue);
   if(objHours > 0){//为0时不设定过期时间，浏览器关闭时cookie自动消失
      var date = new Date();
      var ms = objHours*3600*1000;
      date.setTime(date.getTime() + ms);
      str += "; expires=" + date.toGMTString();
   }
   document.cookie = str;
   //alert("添加cookie成功");
}
  
function getCookie(objName){//获取指定名称的cookie的值
   var arrStr = document.cookie.split("; ");
   for(var i = 0;i < arrStr.length;i ++){
      var temp = arrStr[i].split("=");
      if(temp[0] == objName) return unescape(temp[1]);
   } 
}
  
function delCookie(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() - 10000);
   document.cookie = name + "=a; expires=" + date.toGMTString();
}
  
function allCookie(){//读取所有保存的cookie字符串
   var str = document.cookie;
   if(str == ""){
      str = "没有保存任何cookie";
   }
}

function setcookie2(obj){
     setcookie(obj,"0");
}

function setcookie2(obj,obj2){
     addCookie("wodiw",obj+"_"+obj2,12*60*24);
}

function setcookie(obj){
	send_request("/js/cookie_m.jsp?lb="+obj);
}

function setcookie(obj,obj2){
	send_request("/js/cookie_m.jsp?lb="+obj+"&fzid="+obj2);
}